# US単位コンバーター vs TipMaster

The clearest difference is update cadence: TipMaster at every 2 weeks against US単位コンバーター's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

US単位コンバーター ships an update every 3 weeks, TipMaster every 2 weeks. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | US単位コンバーター | TipMaster |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 41 MB | 23 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Taiki Saito](https://appshunter.io/developer/995768398) | [Vicki Partridge](https://appshunter.io/developer/1114861973) |

## What reviewers say

### US単位コンバーター

[App page](https://appshunter.io/ios/app/us/id1607728774)

**Features:** macOS Compatibility

**In-app purchases:** none


### TipMaster

[App page](https://appshunter.io/ios/app/tipmaster-tip-calculator/id6523435597)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is US単位コンバーター free?

US単位コンバーター is free to download, with no in-app purchases.

### Is TipMaster free?

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

### Do US単位コンバーター or TipMaster have ads?

Both US単位コンバーター and TipMaster show ads.

### Which is updated more often, US単位コンバーター or TipMaster?

US単位コンバーター ships an update every 3 weeks, and TipMaster every 2 weeks. Most recently, US単位コンバーター was updated on October 3, 2026 and TipMaster on October 6, 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.*