# ChkM8 vs GM Sidekick

The clearest difference is in-app purchases: ChkM8 at none against GM Sidekick's 4. ChkM8 also leads on update cadence (fortnightly vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. GM Sidekick sells 4 in-app purchases, starting at $19.99 per month. ChkM8 asks for nothing beyond the download.

ChkM8 ships an update fortnightly, GM Sidekick every 4 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ChkM8 | GM Sidekick |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (13 ratings)](https://appshunter.io/ios/app/chkm8/id1538693623/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | Free | — |
| Size | 136 MB | 5 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [ChkM8, Inc.](https://appshunter.io/developer/1538693625) | [Growth Magic LLC](https://appshunter.io/developer/1831903557) |

## What reviewers say

### ChkM8

[App page](https://appshunter.io/ios/app/chkm8/id1538693623)

This app facilitates safer connections by allowing users to anonymously rate each other on integrity, likeability, and safety after a meetup. Users can choose to share their composite scores to build a credible reputation, fostering trust in real-world interactions.

**Highlights:** Anonymous mutual ratings, Rate integrity, likeability, and safety, Choose to share composite scores, Consensual rating system, Schedule or rate immediately, View others' ratings anonymously

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

**In-app purchases:** none


### GM Sidekick

[App page](https://appshunter.io/ios/app/gm-sidekick/id6749743246)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sidekick monthly users | $19.99 | per month |
| Sidekick yearly users | $199.00 | per year |
| Sidekick | $999.00 | per month |
| Sidekick | $499.00 | one-time |


## Frequently asked questions

### Is ChkM8 free?

ChkM8 is free to download, with no in-app purchases.

### Is GM Sidekick free?

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

### Do ChkM8 or GM Sidekick have ads?

Neither ChkM8 nor GM Sidekick shows ads.

### Which is updated more often, ChkM8 or GM Sidekick?

ChkM8 ships an update fortnightly, and GM Sidekick every 4 months. Most recently, ChkM8 was updated on October 25, 2026 and GM Sidekick on October 24, 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.*