# SipMaster vs Catag

The clearest difference is in-app purchases: Catag at none against SipMaster's 6. Catag also leads on update cadence (every 6 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SipMaster sells 6 one-off in-app purchases. Catag asks for nothing beyond the download.

SipMaster ships an update every 3 months, Catag every 6 weeks. The most recent releases landed on June 11, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | SipMaster | Catag |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 90.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 32 MB | 53 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JLT Technologies GmbH](https://appshunter.io/developer/1539621001) | [Loris Sikora](https://appshunter.io/developer/1705273516) |

## 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 |


### Catag

[App page](https://appshunter.io/ios/app/catag/id6463931485)

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

**In-app purchases:** none


## Frequently asked questions

### Is SipMaster free?

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

### Is Catag free?

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

### Do SipMaster or Catag have ads?

Neither SipMaster nor Catag shows ads.

### Which is updated more often, SipMaster or Catag?

SipMaster ships an update every 3 months, and Catag every 6 weeks. Most recently, SipMaster was updated on June 11, 2026 and Catag on September 17, 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.*