# CalMaster vs ScaleShift

The clearest difference is in-app purchases: ScaleShift at none against CalMaster's 3. CalMaster's advantage is update cadence (daily vs every 2 weeks) and iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. CalMaster sells 3 in-app purchases, starting at $3.99 per month. ScaleShift asks for nothing beyond the download.

CalMaster ships an update daily, ScaleShift every 2 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CalMaster | ScaleShift |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 weeks |
| Size | 29 MB | 6 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [毕禾 赵](https://appshunter.io/developer/1891222778) | [Stormview Systems Pty Ltd](https://appshunter.io/developer/6773173937) |

## What reviewers say

### CalMaster

[App page](https://appshunter.io/ios/app/calmaster-ai-calorie-tracker/id6762075549)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $3.99 | per month |
| Yearly Premium | $22.99 | per year |
| Lifetime Premium | $44.99 | one-time |


### ScaleShift

[App page](https://appshunter.io/ios/app/scaleshift/id6773173935)

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

**In-app purchases:** none


## Frequently asked questions

### Is CalMaster free?

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

### Is ScaleShift free?

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

### Do CalMaster or ScaleShift have ads?

Neither CalMaster nor ScaleShift shows ads.

### Which is updated more often, CalMaster or ScaleShift?

CalMaster ships an update daily, and ScaleShift every 2 weeks. Most recently, CalMaster was updated on November 5, 2026 and ScaleShift on October 31, 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.*