Vuma Key vs Fibertime: SA's Prepaid Fibre Showdown

Both Vuma Key and Fibertime offer something genuinely new in South Africa: uncapped fibre at township-affordable prices, with no contract, no credit check and free installation. They've reshaped what "cheapest fibre in SA" means, and they're scaling fast.

The honest pick depends on your usage pattern. Vuma Key wins for daily, consistent use - R99/month works out to about R3.30/day, which beats Fibertime's R5/day model by roughly R51 a month if you use it every day. Fibertime wins for occasional or seasonal users - if you only need internet on weekends, or for a few days at a time, you only pay for what you use. And if you're chasing the highest possible prepaid speed, Fibertime's up-to-100 Mbps marketing edges Vuma Key's tighter entry tiers.

Launched by Vumatel in September 2024, Vuma Key delivers uncapped FTTH to households earning under R5,000/month. The headline price is R99/month (effectively R3.30/day), with higher tiers available where coverage supports them.

• Speed: entry tier around 10 Mbps. Higher tiers cited up to 100 Mbps.
• Payment: EasyPay reference at Boxer, Pick n Pay, PEP, Ackermans and more, or a debit order.
• Lapse rules: service pauses if you don't recharge - no penalty - and you have up to 90 days before account termination. No reconnection fee.
• Install: free. No contract or credit check.

Full background on Vuma Key in our prepaid and township fibre guide.

Fibertime takes pay-as-you-go to its logical conclusion: R5 per day, where you buy days of access rather than gigabytes of data. While a voucher is active the connection is uncapped and unthrottled.

• Speed: marketed up to 100 Mbps uncapped; real-world delivery varies.
• Payment: buy vouchers at spaza shops or through banking and voucher apps (1Voucher, Blu, Flash, OTT), redeem via the Fibertime app.
• Account: linked to your cellphone number, with devices added through the app.
• Install: free router and UPS battery, no trenching, no contract or credit check.

If you use the line every day for a month:

• Vuma Key: R99/month = ~R3.30/day.
• Fibertime: R5/day × 30 days = R150/month.

That's about a R51/month gap in Vuma Key's favour for daily users. The trade-off: if you only use the line on, say, 12 days of the month, Fibertime costs R60 - cheaper than Vuma Key's flat R99. Vuma Key is the better deal for households that need a permanent always-on line; Fibertime is better for occasional or budget-conscious week-by-week use.

Fibertime's "up to 100 Mbps" headline is genuinely the best prepaid fibre speed in South Africa - but it's a marketing ceiling rather than a guarantee, and real-world performance depends on the build at your address. Vuma Key tiers are tighter (entry around 10 Mbps, higher tiers where supported) but more predictable.

For most households the difference between 10 Mbps and 100 Mbps is academic - both comfortably handle streaming, browsing, calls and gaming for a small household. See how much speed you really need for the numbers behind that.

Both products are location-specific. Vuma Key is being rolled out by Vumatel across low-income areas with priority on Alexandra, Kayamandi (Stellenbosch) and similar priority builds. Fibertime is scaling fast through township areas, including Kayamandi and Makhanda, with hundreds of households connecting per day.

Neither product is universally available yet - the practical first step is to check coverage at your address directly with the provider. If both are live at your street, the choice comes down to usage pattern and the price math above.

• Pick Vuma Key if you use the line every day, you want a flat monthly cost, you want the simpler EasyPay recharge through major retailers, or you prefer a single monthly recharge to daily top-ups.
• Pick Fibertime if you only use the line some days of the month, you want the headline 100 Mbps speed tier, you're comfortable with the daily voucher model, or you want the option to flex spending week by week.

Both products represent a structural shift in SA broadband - fibre is now the cheapest way to get online for many lower-income households, beating mobile data by a factor of ten or more on cost per gigabyte. The choice between them comes down to whether your usage is steady (Vuma Key) or flexible (Fibertime), and which one has built into your street.

If you've outgrown prepaid and want a faster contract-free line, our prepaid and township fibre explainer covers Vuma Reach as the step-up tier.