# RF vs Numberie Keyboard

The clearest difference is update cadence: Numberie Keyboard at every 6 weeks against RF's every 8 months. Numberie Keyboard also leads on iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

RF costs $0.99 and Numberie Keyboard $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RF ships an update every 8 months, Numberie Keyboard every 6 weeks. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | RF | Numberie Keyboard |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/numberie-keyboard/id1001984875/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 14.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 6 weeks** |
| Monetization | — | Paid |
| Size | 6 MB | 4 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Julien Geissbuehler](https://appshunter.io/developer/1762554076) | [Ratha Sou](https://appshunter.io/developer/590343618) |

## What reviewers say

### RF

[App page](https://appshunter.io/ios/app/rf-calc/id647697327)

**Features:** macOS Compatibility

**In-app purchases:** none


### Numberie Keyboard

[App page](https://appshunter.io/ios/app/numberie-keyboard/id1001984875)

This keyboard app provides a dedicated number row on the top of your iPhone or iPad keyboard for faster and easier number input. It offers customizable themes, intelligent word suggestions, and quick access to symbols.

**Highlights:** Always-on number row, Fast number typing, Intelligent word suggestions, Customizable themes, Built-in themes, Symbol access, Letter case display

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RF free?

RF costs $0.99, with no in-app purchases.

### Is Numberie Keyboard free?

Numberie Keyboard costs $0.99, with no in-app purchases.

### Do RF or Numberie Keyboard have ads?

Neither RF nor Numberie Keyboard shows ads.

### Which is updated more often, RF or Numberie Keyboard?

RF ships an update every 8 months, and Numberie Keyboard every 6 weeks. Most recently, RF was updated on October 7, 2026 and Numberie Keyboard on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*