# Chatmergency vs Ratekeeper

The clearest difference is iOS requirement: Chatmergency at 14.0 against Ratekeeper's 26.5. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Chatmergency sells 1 in-app purchase, starting at $0.99 per month and Ratekeeper sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Chatmergency | Ratekeeper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ratekeeper-watch-accuracy/id6792385277/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 days |
| Monetization | — | Free |
| Size | 1 MB | 7 MB |
| Requires iOS | **14.0** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Shingleton](https://appshunter.io/developer/1699483946) | [Slow Sunday Software LLC](https://appshunter.io/developer/6786411203) |

## What reviewers say

### Chatmergency

[App page](https://appshunter.io/ios/app/chatmergency/id6736376938)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $0.99 | per month |


### Ratekeeper

[App page](https://appshunter.io/ios/app/ratekeeper-watch-accuracy/id6792385277)

Measure the daily accuracy of your mechanical watch without specialized equipment. Simply tap when your watch's second hand aligns with true time, and the app calculates its rate. Track historical data, compare against specifications, and analyze performance by resting position.

**Highlights:** Measures watch rate in seconds per day, Historical data tracking and charting, Comparison against specified accuracy bands, Analysis of rate by resting position, Standalone true-time reference clock, Export readings to CSV

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock the entire app | $4.99 | one-time |


## Frequently asked questions

### Is Chatmergency free?

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

### Is Ratekeeper free?

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

### Do Chatmergency or Ratekeeper have ads?

Neither Chatmergency nor Ratekeeper 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.*