# The Random Number Generator! vs Cair

The clearest difference is price: The Random Number Generator! at Free against Cair's $0.99. The Random Number Generator! also leads on update cadence (every 3 weeks vs every 37 months) and device support (5 vs 2). Cair's advantage is in-app purchases (none vs 4) and ads (none vs shown). On iOS requirement there is nothing between them.

The Random Number Generator! is free to download; Cair costs $0.99 up front. The Random Number Generator! sells 4 in-app purchases, starting at $0.99 per month. Cair asks for nothing beyond the download.

The Random Number Generator! ships an update every 3 weeks, Cair every 37 months. The most recent releases landed on October 17, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | The Random Number Generator! | Cair |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.8 (863 ratings)](https://appshunter.io/ios/app/the-random-number-generator/id611762447/reviews)** | — |
| Number of ratings | **863** | — |
| Positive reviews | 81.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 37 months |
| Monetization | Free with in-app purchases | — |
| Size | 15 MB | 3 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nicholas Dean](https://appshunter.io/developer/611762890) | [dgApps](https://appshunter.io/developer/357488432) |

## What reviewers say

### The Random Number Generator!

[App page](https://appshunter.io/ios/app/the-random-number-generator/id611762447)

Generate unpredictable, unique random numbers with advanced algorithms. Customize appearance, hear numbers spoken aloud, and set number ranges. Ideal for lotteries and various applications requiring random selection.

**Highlights:** Superior random number algorithms, Customizable appearance, Speech synthesis for spoken numbers, Selectable minimum and maximum number ranges, Option for unique number generation, History of generated numbers, Second screen support (AirPlay/wired)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Supporter | $0.99 | per month |
| Remove Adverts | $0.99 | one-time |
| Coffee! | $2.99 | one-time |
| Sandwich! | $6.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 💡 Versatile with many options
- 🚀 Efficient for various tasks
- ✅ Reliable and dependable
- 🌟 Useful for decision-making

**What reviewers complain about**

- 🐛 App crashes frequently
- 🐛 App sometimes won't open
- 🐛 Blank screen issue
- 🐛 Repeating numbers issue
- 🐛 Inconsistent randomness

**Reported bugs**

- App keeps crashing on startup
- App sometimes shows a blank screen
- App sometimes won't open
- App occasionally repeats the same number
- Watch version is limited and cannot change range

**Requested features**

- Dark mode option
- Ability to autoplay with screen off
- Availability in other languages
- Adjustable font size in data entry fields
- Bluetooth connectivity to TV


### Cair

[App page](https://appshunter.io/ios/app/cair/id1197989847)

**In-app purchases:** none


## Frequently asked questions

### Is The Random Number Generator! free?

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

### Is Cair free?

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

### Do The Random Number Generator! or Cair have ads?

The Random Number Generator! shows ads; Cair does not.

### Which is updated more often, The Random Number Generator! or Cair?

The Random Number Generator! ships an update every 3 weeks, and Cair every 37 months. Most recently, The Random Number Generator! was updated on October 17, 2026 and Cair on October 5, 2026.

---

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