# SipMaster vs Rotation Sudoku

The clearest difference is ads: SipMaster at none against Rotation Sudoku's shown. Rotation Sudoku's advantage is update cadence (every 4 days vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. SipMaster sells 6 one-off in-app purchases and Rotation Sudoku sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

SipMaster ships an update every 3 months, Rotation Sudoku every 4 days. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | SipMaster | Rotation Sudoku |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 90.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 32 MB | 106 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JLT Technologies GmbH](https://appshunter.io/developer/1539621001) | [Sick App Developers GmbH](https://appshunter.io/developer/1507412735) |

## What reviewers say

### SipMaster

[App page](https://appshunter.io/ios/app/sipmaster/id1539620999)

A competitive game where players estimate the weight of objects. The app works best with dedicated hardware but can be used with a kitchen scale. It offers various game modes for different occasions.

**Highlights:** Weight estimation gameplay, Competitive multiplayer, Variety of game modes, Optional hardware integration, Kitchen scale compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cricket | $2.99 | one-time |
| Golf | $2.99 | one-time |
| Tower | $2.99 | one-time |
| Las Vegas | $2.99 | one-time |
| RabbitHunt | $2.99 | one-time |
| DiDi's Sound Package | $3.99 | one-time |


### Rotation Sudoku

[App page](https://appshunter.io/ios/app/rotation-sudoku/id6727009575)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rotation Sudoku Gold | $2.99 | per month |
| Rotation Sudoku Gold | $29.99 | per year |


## Frequently asked questions

### Is SipMaster free?

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

### Is Rotation Sudoku free?

Rotation Sudoku is free to download, with in-app purchases available.

### Do SipMaster or Rotation Sudoku have ads?

Rotation Sudoku shows ads; SipMaster does not.

### Which is updated more often, SipMaster or Rotation Sudoku?

SipMaster ships an update every 3 months, and Rotation Sudoku every 4 days. Most recently, SipMaster was updated on November 3, 2026 and Rotation Sudoku on November 8, 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.*