# Random Number 99 vs FlexibleGrouping

The clearest difference is price: FlexibleGrouping at Free against Random Number 99's $2.99. FlexibleGrouping also leads on update cadence (fortnightly vs every 40 months) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

FlexibleGrouping is free to download; Random Number 99 costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Random Number 99 ships an update every 40 months, FlexibleGrouping fortnightly. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Random Number 99 | FlexibleGrouping |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 40 months | **Fortnightly** |
| Size | 24 MB | 28 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [浩保 Chiba](https://appshunter.io/developer/303198553) | [Daiki Hirao](https://appshunter.io/developer/1480092196) |

## What reviewers say

### Random Number 99

[App page](https://appshunter.io/ios/app/random-number-99/id537829584)

**In-app purchases:** none


### FlexibleGrouping

[App page](https://appshunter.io/ios/app/flexiblegrouping/id1492907581)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Random Number 99 free?

Random Number 99 costs $2.99, with no in-app purchases.

### Is FlexibleGrouping free?

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

### Do Random Number 99 or FlexibleGrouping have ads?

Neither Random Number 99 nor FlexibleGrouping shows ads.

### Which is updated more often, Random Number 99 or FlexibleGrouping?

Random Number 99 ships an update every 40 months, and FlexibleGrouping fortnightly. Most recently, Random Number 99 was updated on October 4, 2026 and FlexibleGrouping on October 6, 2026.

---

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