# RiKeyboard vs Science Custom Keyboard

The clearest difference is update cadence: RiKeyboard at every 3 weeks against Science Custom Keyboard's every 2 months. RiKeyboard also leads on iOS requirement (8.0 vs 17.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RiKeyboard ships an update every 3 weeks, Science Custom Keyboard every 2 months. The most recent releases landed on October 22, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | RiKeyboard | Science Custom Keyboard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/rikeyboard/id1386036240/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 82.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 17 MB | 1 MB |
| Requires iOS | **8.0** | 17.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [nakamura yusaku](https://appshunter.io/developer/1662214416) | [Niaris](https://appshunter.io/developer/1704249655) |

## What reviewers say

### RiKeyboard

[App page](https://appshunter.io/ios/app/rikeyboard/id1386036240)

This app provides an enhanced keyboard experience with a wide range of characters beyond standard alphabets and numbers. It includes various symbols and special mathematical characters, all accessible without requiring full keyboard access.

**Highlights:** Alphabet input, Number input (123, ¹²³, ₁₂₃), Standard symbols, Special characters (integral, sigma), No full access required

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Science Custom Keyboard

[App page](https://appshunter.io/ios/app/science-custom-keyboard/id6463341508)

**In-app purchases:** none


## Frequently asked questions

### Is RiKeyboard free?

RiKeyboard is free to download, with no in-app purchases.

### Is Science Custom Keyboard free?

Science Custom Keyboard is free to download, with no in-app purchases.

### Do RiKeyboard or Science Custom Keyboard have ads?

Neither RiKeyboard nor Science Custom Keyboard shows ads.

### Which is updated more often, RiKeyboard or Science Custom Keyboard?

RiKeyboard ships an update every 3 weeks, and Science Custom Keyboard every 2 months. Most recently, RiKeyboard was updated on October 22, 2026 and Science Custom Keyboard on October 16, 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.*