Checked 1 September 2026•11 current official offers reviewed
Best 20GB data deals in South AfricaSeptember 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 an eligible Standard Bank account in your own name, in good standing, and a Standard Bank Connect SIM or eSIM; applicants must be 18+.
This is a price-and-structure result, not a coverage or speed claim. Check signal where you live, work and travel before moving networks.
Best unit value: FNB Connect offers 25GB for R215, or R8,6 per anytime GB.
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 an eligible Standard Bank account in your own name, in good standing, and a Standard Bank Connect SIM or eSIM; applicants must be 18+.
Buy via Standard Bank Connect website.
The public Standard Bank Connect SIM-plans page lists 20GB as the plan allocation at R209 per month.
Subscription data expires on the last day before the debit-order date.
The subscription is billed monthly in advance; recheck the live plan page before ordering.
Requires a qualifying FNB transactional account and an active FNB Connect SIM or eSIM; applicants must be 18+ or use an eligible linked youth account.
Buy via FNB app, FNB Online Banking, FNB Connect call centre.
This is a month-to-month data plan, not the more expensive once-off bundle with a matching headline size.
The guide cover states 1 July 2026 to 30 June 2027, while page 32 retains older effective-period text ending 30 June 2026; the current price tables are used despite that internal date conflict.
Requires a qualifying FNB transactional account and an active FNB Connect SIM or eSIM; applicants must be 18+ or use an eligible linked youth account.
Buy via FNB app, FNB Online Banking, FNB Connect USSD.
The guide cover states 1 July 2026 to 30 June 2027, while page 32 retains older effective-period text ending 30 June 2026; the current price tables are used despite that internal date conflict.
Requires a qualifying FNB transactional account and an active FNB Connect SIM or eSIM; applicants must be 18+ or use an eligible linked youth account.
Buy via FNB app, FNB Online Banking, FNB Connect call centre.
This is a month-to-month data plan, not the more expensive once-off bundle with a matching headline size.
The guide cover states 1 July 2026 to 30 June 2027, while page 32 retains older effective-period text ending 30 June 2026; the current price tables are used despite that internal date conflict.
Requires a qualifying FNB transactional account and an active FNB Connect SIM or eSIM; applicants must be 18+ or use an eligible linked youth account.
Buy via FNB app, FNB Online Banking, FNB Connect USSD.
The guide cover states 1 July 2026 to 30 June 2027, while page 32 retains older effective-period text ending 30 June 2026; the current price tables are used despite that internal date conflict.
Prices and allocations were checked against the linked official sources on 1 September 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.