# CalMapper vs Merit.

The clearest difference is in-app purchases: CalMapper at none against Merit.'s 3. CalMapper also leads on iOS requirement (18.6 vs 26.2). Merit.'s advantage is update cadence (every 3 days vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Merit. sells 3 in-app purchases, starting at $6.99 per month. CalMapper asks for nothing beyond the download.

CalMapper ships an update every 5 weeks, Merit. every 3 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | CalMapper | Merit. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Size | 115 MB | 9 MB |
| Requires iOS | **18.6** | 26.2 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Technosylva Inc.](https://appshunter.io/developer/996363141) | [Merit Apps LLC](https://appshunter.io/developer/1885067510) |

## What reviewers say

### CalMapper

[App page](https://appshunter.io/ios/app/calmapper/id6742887561)

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

**In-app purchases:** none


### Merit.

[App page](https://appshunter.io/ios/app/merit/id6760570469)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Merit Pro Monthly | $6.99 | per month |
| Merit Pro Annual | $49.99 | per year |
| Merit Pro Lifetime | $149.99 | one-time |


## Frequently asked questions

### Is CalMapper free?

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

### Is Merit. free?

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

### Do CalMapper or Merit. have ads?

Neither CalMapper nor Merit. shows ads.

### Which is updated more often, CalMapper or Merit.?

CalMapper ships an update every 5 weeks, and Merit. every 3 days. Most recently, CalMapper was updated on October 28, 2026 and Merit. on October 25, 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.*