Cheapest Monthly Data South Africa
Compare current 30-day bundle pricing so you can choose a monthly plan that fits your usage and budget.
Quick Answer
In this comparison dataset, Telkom currently lists one of the cheapest monthly value options with Telkom 40GB Prepaid at about R4.73/GB. Compare cost-per-GB, validity, and coverage together before you commit.
Direct Answer Summary
What is the cheapest monthly data in South Africa right now? Telkom currently has one of the lowest monthly cost-per-GB levels in this dataset.
Which network currently offers the best monthly value? Telkom currently shows one of the strongest monthly value profiles in this comparison.
Cheapest Monthly Data by Network
Vodacom
Cheapest listed: Vodacom Monthly 1GB (R99).
Best-value listed: Vodacom 20GB Anytime (~R14.95/GB).
MTN
Cheapest listed: MTN Monthly 1GB (R85).
Best-value listed: MTN Monthly 50GB (~R5.98/GB).
Telkom
Cheapest listed: Telkom 1GB Prepaid (R79).
Best-value listed: Telkom 40GB Prepaid (~R4.73/GB).
Cell C
Cheapest listed: Cell C 10GB Monthly (R129).
Best-value listed: Cell C 30GB Monthly (~R9.97/GB).
Rain
Cheapest listed: Rain Unlimited 4G (R479).
Best-value listed: Rain Unlimited 4G.
Monthly Data Comparison Table
| Network | Bundle | Price | Volume | Cost per GB |
|---|---|---|---|---|
| Telkom | Telkom 40GB Prepaid | R189 | 40GB | ~R4.73/GB |
| Telkom | Telkom 20GB Prepaid | R99 | 20GB | ~R4.95/GB |
| MTN | MTN Monthly 50GB | R299 | 50GB | ~R5.98/GB |
| Cell C | Cell C 30GB Monthly | R299 | 30GB | ~R9.97/GB |
| Cell C | Cell C 10GB Monthly | R129 | 10GB | ~R12.90/GB |
| MTN | MTN Monthly 10GB | R149 | 10GB | ~R14.90/GB |
| Vodacom | Vodacom 20GB Anytime | R299 | 20GB | ~R14.95/GB |
| Vodacom | Vodacom 10GB Anytime | R199 | 10GB | ~R19.90/GB |
| Telkom | Telkom 1GB Prepaid | R79 | 1GB | ~R79.00/GB |
| MTN | MTN Monthly 1GB | R85 | 1GB | ~R85.00/GB |
| Vodacom | Vodacom Monthly 1GB | R99 | 1GB | ~R99.00/GB |
| Rain | Rain Unlimited 4G | R479 | Unlimited | N/A (unlimited model) |
| Rain | Rain Unlimited 5G | R599 | Unlimited | N/A (unlimited model) |
Best Monthly Data by Use Case
Cheapest Monthly
Telkom 40GB Prepaid currently gives one of the lowest monthly cost-per-GB results in this dataset.
Best for Regular Users
Telkom 20GB Prepaid is a practical monthly baseline for everyday browsing, maps, and messaging.
Best for Heavy Users
MTN Monthly 50GB is currently one of the stronger high-volume monthly options in this dataset.
Best Prepaid Monthly Option
Telkom 40GB Prepaid is currently the top prepaid monthly value option in this dataset.
Best Value Right Now
Best-value monthly option in this dataset: Telkom
Telkom 40GB Prepaid currently shows one of the strongest monthly value profiles by listed cost-per-GB.
Trust and Pricing Transparency
Last updated: 26 March 2026. Pricing can change quickly. Listed bundles are based on currently available data, and final offer details should be confirmed on operator pages.
Frequently Asked Questions
What is the cheapest monthly data bundle in South Africa?
Telkom currently lists one of the lowest monthly value options in this dataset.
Which network has the best monthly data deals?
Telkom currently shows one of the strongest monthly value positions in this comparison.
Is monthly data better value than once-off bundles?
For regular users it often is, but short-term promotions can still be better in some periods. Always compare current listed options before checkout.