# Random Number Generator X vs KieKey

The clearest difference is price: Random Number Generator X at Free against KieKey's $0.49. KieKey's advantage is in-app purchases (none vs 1) and ads (none vs shown). On review sentiment, update cadence, device support and iOS requirement there is nothing between them.

Random Number Generator X is free to download; KieKey costs $0.49 up front. Random Number Generator X sells 1 one-off in-app purchase. KieKey asks for nothing beyond the download.

Random Number Generator X ships an update every 6 weeks, KieKey every 3 weeks. The most recent releases landed on November 12, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Random Number Generator X | KieKey |
| --- | --- | --- |
| Price | **Free** | $0.49 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/random-number-generator-x/id6471918556/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | **Free** | Paid |
| Size | 7 MB | 52 MB |
| Requires iOS | **16.1** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Yuki Yamagishi](https://appshunter.io/developer/1516430576) | [Go Fujiwara](https://appshunter.io/developer/6791188594) |

## What reviewers say

### Random Number Generator X

[App page](https://appshunter.io/ios/app/random-number-generator-x/id6471918556)

Generate random numbers easily with a simple tap. Set your desired range and get instant random numbers. Keep track of generated numbers in history and control duplicate generation.

**Highlights:** Tap to generate random numbers, Set custom number ranges, History of generated numbers, Toggle duplicate generation, Simple and intuitive interface, Completely free to use

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hide Ads and Unlock Themes | $2.99 | one-time |


### KieKey

[App page](https://appshunter.io/ios/app/kiekey/id6807756598)

This keyboard app prioritizes user privacy by not storing input history. It offers various input methods and customization options, ensuring all processing happens on the device without network access.

**Highlights:** No input history storage, On-device processing, Multiple input methods (flick, toggle, QWERTY), Customizable layout and size, Cursor control via spacebar swipe, Dictionary prediction without learning

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

**In-app purchases:** none


## Frequently asked questions

### Is Random Number Generator X free?

Random Number Generator X is free to download, with in-app purchases available.

### Is KieKey free?

KieKey costs $0.49, with no in-app purchases.

### Do Random Number Generator X or KieKey have ads?

Random Number Generator X shows ads; KieKey does not.

### Which is updated more often, Random Number Generator X or KieKey?

Random Number Generator X ships an update every 6 weeks, and KieKey every 3 weeks. Most recently, Random Number Generator X was updated on November 12, 2026 and KieKey on November 10, 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.*