# Rummi Timer vs 1A2B

The clearest difference is in-app purchases: Rummi Timer at none against 1A2B's 1. Rummi Timer also leads on ads (none vs shown). 1A2B's advantage is update cadence (every 9 days vs every 10 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 1A2B sells 1 one-off in-app purchase. Rummi Timer asks for nothing beyond the download.

Rummi Timer ships an update every 10 months, 1A2B every 9 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Rummi Timer | 1A2B |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 9 days** |
| Size | 1 MB | 23 MB |
| Requires iOS | 18.4 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [HAN SHENG WANG](https://appshunter.io/developer/1833824057) | [Yu Te Lu](https://appshunter.io/developer/1809772544) |

## What reviewers say

### Rummi Timer

[App page](https://appshunter.io/ios/app/rummi-timer/id6751647116)

**Features:** macOS Compatibility

**In-app purchases:** none


### 1A2B

[App page](https://appshunter.io/ios/app/1a2b-bulls-and-cows/id6799002110)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1A2B Pure | $4.99 | one-time |


## Frequently asked questions

### Is Rummi Timer free?

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

### Is 1A2B free?

1A2B is free to download, with in-app purchases available.

### Do Rummi Timer or 1A2B have ads?

1A2B shows ads; Rummi Timer does not.

### Which is updated more often, Rummi Timer or 1A2B?

Rummi Timer ships an update every 10 months, and 1A2B every 9 days. Most recently, Rummi Timer was updated on October 28, 2026 and 1A2B on October 31, 2026.

---

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