# CalmSignal vs Climb

The clearest difference is in-app purchases: Climb at none against CalmSignal's 4. CalmSignal's advantage is iOS requirement (16.6 vs 26.5). On price, ads and device support there is nothing between them.

Both are free to download. CalmSignal sells 4 in-app purchases, starting at $5.99 per month. Climb asks for nothing beyond the download.

## The numbers

| Metric | CalmSignal | Climb |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Size | 22 MB | 2 MB |
| Requires iOS | **16.6** | 26.5 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [GRIT TECHNOLOGIES](https://appshunter.io/developer/1829544016) | [Deop Inc](https://appshunter.io/developer/1635768618) |

## What reviewers say

### CalmSignal

[App page](https://appshunter.io/ios/app/calmsignal/id6753912940)

**Features:** Apple Watch app

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Individual | $5.99 | per month |
| Premium Family | $14.99 | per month |
| Premium Individual Yearly | $59.99 | per year |
| Premium Family Yearly | $149.99 | per year |


### Climb

[App page](https://appshunter.io/ios/app/climb-fasting-tracker/id6794951524)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CalmSignal free?

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

### Is Climb free?

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

### Do CalmSignal or Climb have ads?

Neither CalmSignal nor Climb shows ads.

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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.*