# Number Time vs ルート21

The clearest difference is in-app purchases: ルート21 at none against Number Time's 4. ルート21 also leads on update cadence (every 3 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Number Time sells 4 one-off in-app purchases. ルート21 asks for nothing beyond the download.

Number Time ships an update fortnightly, ルート21 every 3 days. The most recent releases landed on September 10, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Number Time | ルート21 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 3 days** |
| Size | 65 MB | 37 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Masaru Kimura](https://appshunter.io/developer/1279750497) | [sandwichproject](https://appshunter.io/developer/378488766) |

## What reviewers say

### Number Time

[App page](https://appshunter.io/ios/app/number-time/id1465865365)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ad | $0.99 | one-time |
| Unlock Endless Mode | $0.99 | one-time |
| Unlock No-Drop Mode | $0.99 | one-time |
| Unlock 7 Game Modes | $1.99 | one-time |


### ルート21

[App page](https://appshunter.io/ios/app/21/id6765792708)

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

**In-app purchases:** none


## Frequently asked questions

### Is Number Time free?

Number Time is free to download, with in-app purchases available.

### Is ルート21 free?

ルート21 is free to download, with no in-app purchases.

### Do Number Time or ルート21 have ads?

Both Number Time and ルート21 show ads.

### Which is updated more often, Number Time or ルート21?

Number Time ships an update fortnightly, and ルート21 every 3 days. Most recently, Number Time was updated on September 10, 2026 and ルート21 on September 23, 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.*