Checked 1 November 2026•10 current official offers reviewed
Best 20GB data deals in South AfricaNovember 2026
A practical comparison for people who want roughly 20GB this month. Every restricted wallet and eligibility condition stays visible, so a split bundle cannot masquerade as 20GB of general daytime data.
Quick verdict
Standard Bank Connect is our best overall 20GB pick
Connected Gigs Plus 20GB plan provides 20GB of pooled anytime data for R209, or R10,45 per anytime GB. 20GB is available as one pooled anytime allowance.
Eligibility: Requires a Standard Bank transactional account and a RICA-compliant Standard Bank Connect SIM/eSIM. Confirm account-specific requirements in the order terms.
This is a price-and-structure result, not a coverage or speed claim. Check signal where you live, work and travel before moving networks.
Like-for-like view
20GB-class offer comparison
Rows marked “context only” are current and useful, but do not enter price awards because the validity, product bundle or restriction makes the price non-comparable. All R/anytime-GB calculations exclude night, streaming, social and daily-release wallets.
MVNO Best overall
Standard Bank Connect
Connected Gigs Plus 20GB plan
Advertised: 20GB anytime
R209
Pooled anytime
20GB
Restricted
None listed
R / anytime GB
R10,45
R / base advertised GB
R10,45
Validity
Monthly allocation
Price cadence
Recurring monthly price
Payment
Not confirmed
Commitment
Term not confirmed
Requires a Standard Bank transactional account and a RICA-compliant Standard Bank Connect SIM/eSIM. Confirm account-specific requirements in the order terms.
Buy via Standard Bank Connect website.
The rendered Data Only SIM-plan card confirms this monthly allocation and price. The public FAQ confirms advance subscription billing, including first-period pro-rating rules.
The FAQ describes flexible commitment choices but does not establish this exact selected package’s minimum term or cancellation cost. Confirm the Summary of Package.
Non-expiry claims for separate top-up bundles are not applied to the plan’s monthly allocation; its exact wallet-expiry rule was not established by the reviewed current public card/FAQ.
Advertised: 20GB total: 10GB anytime + 10GB Night Owl
R149
Pooled anytime
10GB
Restricted
10GB night
R / anytime GB
R14,9
R / base advertised GB
R7,45
Validity
30 days
Price cadence
Once-off price
Payment
Prepaid / upfront
Commitment
Once-off
Available on the Vodacom Prepaid LTE price plan.
Buy via *123#, VodaPay app.
The current Prepaid LTE table supports this exact once-off split-wallet product and validity; its prices include VAT.
Night Owl is usable from 00:00 to 05:00, separately from the anytime allowance. A qualifying Prepaid LTE price plan is required; Community Service and CST Management SIMs are excluded.
Do not conflate this with similarly priced monthly recurring, VodaPay-exclusive or streaming-bonus products in the general prepaid catalogue.
Advertised: 40GB total: 20GB anytime + 20GB Night Owl
R229
Pooled anytime
20GB
Restricted
20GB night
R / anytime GB
R11,45
R / base advertised GB
R5,73
Validity
30 days
Price cadence
Once-off price
Payment
Prepaid / upfront
Commitment
Once-off
Available on the Vodacom Prepaid LTE price plan.
Buy via *123#, VodaPay app.
The current Prepaid LTE table supports this exact once-off split-wallet product and validity; its prices include VAT.
Night Owl is usable from 00:00 to 05:00, separately from the anytime allowance. A qualifying Prepaid LTE price plan is required; Community Service and CST Management SIMs are excluded.
Do not conflate this with similarly priced monthly recurring, VodaPay-exclusive or streaming-bonus products in the general prepaid catalogue.
Open month-to-month service; a new AirMobile SIM or supported MTN SIM/APN setup is required.
Buy via Afrihost website, Afrihost app.
This is the monthly Data Only allocation, not the separately priced top-up product or a conditional free-data promotion.
The public catalogue states month-to-month service. Monthly terms allow unused allocations to roll over for one additional calendar month; top-up and porting/APN conditions differ.
When using Data Only via APN on an existing MTN SIM, the provider requires billable activity every 90 days to keep that SIM active.
Requires a Nedbank account and an active RICA-compliant Nedbank Connect SIM or eSIM. The terms allow customers aged 18 or older, or with parent/guardian consent.
Buy via Nedbank Money app, Nedbank Online Banking.
Standard prepaid data, with 30-day expiry; the catalogue separates social bundles.
The terms define prepaid purchases as once-off through the Nedbank Money app or Online Banking. Rewards are conditional and excluded from the base allocation.
Buy via *147#, Cell C app, Cell C portal, Cell C airtime/partner channels.
The active catalogue confirms the exact price, allowance and once-off 30-day variant. Only the anytime wallet counts as pooled anytime.
Where present, Nite data is restricted to 00:00–04:59:59. The 30-day terms support Prepaid, Hybrid and Postpaid eligibility and VAT-inclusive prices.
The same 30-day terms conflict on transfer: clause 16 permits transfer while a later general clause prohibits it. Transfer entitlement remains unconfirmed.
Requires an active FNB or RMB Private Bank transactional account and a qualifying FNB Connect SIM/eSIM/package; confirm account-specific eligibility in the Summary of Package.
Buy via FNB app, FNB Online Banking, FNB Connect call centre.
The pricing-guide cover states 1 July 2026–30 June 2027, while its final pricing notice retains 9 November 2025–30 June 2026. This first-party effective-period conflict remains unresolved.
The reviewed figures are the advertised retail data-plan or once-off data-bundle table amounts including VAT. Conditional eBucks/reward allocations are not part of the base allowance.
For an open-ended contract, relationship-agreement clause 7.2 requires one month’s termination notice and fees through that notice. Do not assume immediate free cancellation or that every advertised package is open-ended.
The provider pricing guide has conflicting effective periods; retain the advertised reference with its caveat, but exclude it from current awards until clarified.
Advertised: 20GB, or 24GB when the number is linked
R250
Pooled anytime
20GB
Restricted
4GB conditional bonus
R / anytime GB
R12,5
R / base advertised GB
R12,5
Validity
60 days
Price cadence
Once-off price
Payment
Prepaid / upfront
Commitment
Once-off
Requires a Capitec account and RICA-registered Connect SIM. The provider terms allow customers over 18 or with parent/guardian consent; confirm sign-up requirements.
Buy via Capitec app, *120*3279#.
The official table lists an extra 4GB for linked numbers.
20GB is the guaranteed base allowance; linked-number extras are conditional and excluded from rankings.
The current price table’s stated expiry applies to this product. The provider terms classify Connect as prepaid and say charges include VAT.
A 60-day product is context only, not equivalent to a 30-day monthly offer.
Excluded from monthly awards because the official validity is 60 days.
Open month-to-month build-your-own plan with zero voice minutes and 50 included SMSs; requires age 18+, RICA, a Melon SIM or eSIM, and a debit or credit card.
Buy via Melon Mobile website, Melon Mobile app.
The public selector was checked with zero voice minutes and the minimum 50 SMSs; these are not pure data-only plans.
Current Terms of Use clauses 2.2 and 6.2–6.5 say the plan period and its data, minutes and SMS expire every 30 days. The previous non-expiry wording is not retained.
Plans renew and charge the selected credit/debit card unless cancelled before renewal; unused started-period value is not refundable under the ordinary terms. Prices include VAT.
Excluded from data-only awards because the current plan includes 50 SMSs.
Requires an active FNB or RMB Private Bank transactional account and a qualifying FNB Connect SIM/eSIM/package; confirm account-specific eligibility in the Summary of Package.
Buy via FNB app, FNB Online Banking, FNB Connect call centre.
The pricing-guide cover states 1 July 2026–30 June 2027, while its final pricing notice retains 9 November 2025–30 June 2026. This first-party effective-period conflict remains unresolved.
The reviewed figures are the advertised retail data-plan or once-off data-bundle table amounts including VAT. Conditional eBucks/reward allocations are not part of the base allowance.
The provider pricing guide has conflicting effective periods; retain the advertised reference with its caveat, but exclude it from current awards until clarified.
Officially sourced 20GB-class monthly mobile data offers
Provider and offer
Price
Pooled anytime
Restricted allocation
R / anytime GB
R / base advertised GB
Validity and terms
Access and source
MVNO Best overall
Standard Bank Connect
Connected Gigs Plus 20GB plan
Advertised: 20GB anytime
R209
20GB
None listed
R10,45
R10,45
Monthly allocationNot confirmedTerm not confirmedRecurring monthly price
Requires a Standard Bank transactional account and a RICA-compliant Standard Bank Connect SIM/eSIM. Confirm account-specific requirements in the order terms.
Buy via Standard Bank Connect website.
The rendered Data Only SIM-plan card confirms this monthly allocation and price. The public FAQ confirms advance subscription billing, including first-period pro-rating rules.
The FAQ describes flexible commitment choices but does not establish this exact selected package’s minimum term or cancellation cost. Confirm the Summary of Package.
Non-expiry claims for separate top-up bundles are not applied to the plan’s monthly allocation; its exact wallet-expiry rule was not established by the reviewed current public card/FAQ.
Advertised: 20GB total: 10GB anytime + 10GB Night Owl
R149
10GB
10GB night
R14,9
R7,45
30 daysPrepaid / upfrontOnce-offOnce-off price
Available on the Vodacom Prepaid LTE price plan.
Buy via *123#, VodaPay app.
The current Prepaid LTE table supports this exact once-off split-wallet product and validity; its prices include VAT.
Night Owl is usable from 00:00 to 05:00, separately from the anytime allowance. A qualifying Prepaid LTE price plan is required; Community Service and CST Management SIMs are excluded.
Do not conflate this with similarly priced monthly recurring, VodaPay-exclusive or streaming-bonus products in the general prepaid catalogue.
Advertised: 40GB total: 20GB anytime + 20GB Night Owl
R229
20GB
20GB night
R11,45
R5,73
30 daysPrepaid / upfrontOnce-offOnce-off price
Available on the Vodacom Prepaid LTE price plan.
Buy via *123#, VodaPay app.
The current Prepaid LTE table supports this exact once-off split-wallet product and validity; its prices include VAT.
Night Owl is usable from 00:00 to 05:00, separately from the anytime allowance. A qualifying Prepaid LTE price plan is required; Community Service and CST Management SIMs are excluded.
Do not conflate this with similarly priced monthly recurring, VodaPay-exclusive or streaming-bonus products in the general prepaid catalogue.
Open month-to-month service; a new AirMobile SIM or supported MTN SIM/APN setup is required.
Buy via Afrihost website, Afrihost app.
This is the monthly Data Only allocation, not the separately priced top-up product or a conditional free-data promotion.
The public catalogue states month-to-month service. Monthly terms allow unused allocations to roll over for one additional calendar month; top-up and porting/APN conditions differ.
When using Data Only via APN on an existing MTN SIM, the provider requires billable activity every 90 days to keep that SIM active.
Requires a Nedbank account and an active RICA-compliant Nedbank Connect SIM or eSIM. The terms allow customers aged 18 or older, or with parent/guardian consent.
Buy via Nedbank Money app, Nedbank Online Banking.
Standard prepaid data, with 30-day expiry; the catalogue separates social bundles.
The terms define prepaid purchases as once-off through the Nedbank Money app or Online Banking. Rewards are conditional and excluded from the base allocation.
Buy via *147#, Cell C app, Cell C portal, Cell C airtime/partner channels.
The active catalogue confirms the exact price, allowance and once-off 30-day variant. Only the anytime wallet counts as pooled anytime.
Where present, Nite data is restricted to 00:00–04:59:59. The 30-day terms support Prepaid, Hybrid and Postpaid eligibility and VAT-inclusive prices.
The same 30-day terms conflict on transfer: clause 16 permits transfer while a later general clause prohibits it. Transfer entitlement remains unconfirmed.
Monthly allocationNot confirmedTerm not confirmedRecurring monthly price
Requires an active FNB or RMB Private Bank transactional account and a qualifying FNB Connect SIM/eSIM/package; confirm account-specific eligibility in the Summary of Package.
Buy via FNB app, FNB Online Banking, FNB Connect call centre.
The pricing-guide cover states 1 July 2026–30 June 2027, while its final pricing notice retains 9 November 2025–30 June 2026. This first-party effective-period conflict remains unresolved.
The reviewed figures are the advertised retail data-plan or once-off data-bundle table amounts including VAT. Conditional eBucks/reward allocations are not part of the base allowance.
For an open-ended contract, relationship-agreement clause 7.2 requires one month’s termination notice and fees through that notice. Do not assume immediate free cancellation or that every advertised package is open-ended.
The provider pricing guide has conflicting effective periods; retain the advertised reference with its caveat, but exclude it from current awards until clarified.
Advertised: 20GB, or 24GB when the number is linked
R250
20GB
4GB conditional bonus
The official table lists an extra 4GB for linked numbers.
R12,5
R12,5
60 daysPrepaid / upfrontOnce-offOnce-off price
Requires a Capitec account and RICA-registered Connect SIM. The provider terms allow customers over 18 or with parent/guardian consent; confirm sign-up requirements.
Buy via Capitec app, *120*3279#.
20GB is the guaranteed base allowance; linked-number extras are conditional and excluded from rankings.
The current price table’s stated expiry applies to this product. The provider terms classify Connect as prepaid and say charges include VAT.
A 60-day product is context only, not equivalent to a 30-day monthly offer.
Excluded from monthly awards because the official validity is 60 days.
Open month-to-month build-your-own plan with zero voice minutes and 50 included SMSs; requires age 18+, RICA, a Melon SIM or eSIM, and a debit or credit card.
Buy via Melon Mobile website, Melon Mobile app.
The public selector was checked with zero voice minutes and the minimum 50 SMSs; these are not pure data-only plans.
Current Terms of Use clauses 2.2 and 6.2–6.5 say the plan period and its data, minutes and SMS expire every 30 days. The previous non-expiry wording is not retained.
Plans renew and charge the selected credit/debit card unless cancelled before renewal; unused started-period value is not refundable under the ordinary terms. Prices include VAT.
Excluded from data-only awards because the current plan includes 50 SMSs.
Requires an active FNB or RMB Private Bank transactional account and a qualifying FNB Connect SIM/eSIM/package; confirm account-specific eligibility in the Summary of Package.
Buy via FNB app, FNB Online Banking, FNB Connect call centre.
The pricing-guide cover states 1 July 2026–30 June 2027, while its final pricing notice retains 9 November 2025–30 June 2026. This first-party effective-period conflict remains unresolved.
The reviewed figures are the advertised retail data-plan or once-off data-bundle table amounts including VAT. Conditional eBucks/reward allocations are not part of the base allowance.
The provider pricing guide has conflicting effective periods; retain the advertised reference with its caveat, but exclude it from current awards until clarified.
Prices and allocations were checked against the linked official sources on 1 November 2026. Provider checkout terms can change without notice; recheck before paying.
How DataCost counts 20GB
Pooled anytime
A general-use wallet available as one monthly pool. Daily releases remain separate even when each daily slice works throughout the day.
Night
Data usable only in the provider’s overnight window. It counts toward the advertised total, not the anytime target.
Streaming or social
App- or service-specific wallets stay separate because they cannot support every normal internet task.
Other restrictions
Daily releases, device locks and conditional bonuses get their own fields and never disappear inside a headline number.
Why this ranking is editorial, not commercial
DataCost does not raise an offer because it has a bigger advertising number, includes an affiliate opportunity or comes from a major network. Every qualifying row follows the same deterministic order.
1Guaranteed pooled anytime data must fall from 20GB up to, but not including, 30GB.
2Validity must be 28–31 days or an explicitly monthly allocation.
3The source and price must be current, official and publicly reproducible.
4Best overall uses the lowest monthly price; ties use fewer access restrictions, then once-off billing. Unit value is awarded separately.
This public URL stays evergreen. Each monthly review is stored as a separate internal snapshot, so updating September’s prices will not erase the August evidence. The visible month, checked date, source register and structured data all come from the same active snapshot.
A provider may change a checkout price between reviews. If the price or eligibility shown here differs from the official checkout, use the provider’s current terms and tell DataCost so the next review can correct the record.