# proof vs Chesly

The clearest difference is update cadence: Chesly at every 3 days against proof's every 9 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. proof sells 6 one-off in-app purchases and Chesly sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

proof ships an update every 9 days, Chesly every 3 days. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | proof | Chesly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/proof-the-rare-camera/id6749852395/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 161 MB |
| Requires iOS | 18.2 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 9+ | 12+ |
| Developer | [One Last LLC](https://appshunter.io/developer/1801042901) | [TOMI MARKUS RIKHARD ANSAMAA](https://appshunter.io/developer/1883373016) |

## What reviewers say

### proof

[App page](https://appshunter.io/ios/app/proof-the-rare-camera/id6749852395)

Challenge an AI to identify rare subjects through your camera. With a limited number of daily shots and no filters or likes, compete against friends and the world to achieve the highest rarity score and win.

**Highlights:** AI rarity scoring, Limited daily shots, No filters or likes, Competitive daily pool, Global leaderboards

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Shot | $0.99 | one-time |
| 3 Shots | $0.99 | one-time |
| 3 Shots | $1.99 | one-time |
| 7 Shots | $1.99 | one-time |
| 5 Shots | $2.99 | one-time |
| 15 Shots | $2.99 | one-time |


### Chesly

[App page](https://appshunter.io/ios/app/chesly/id6760231731)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chesly Plus | $9.99 | per month |
| Chesly Plus | $99.99 | per year |


## Frequently asked questions

### Is proof free?

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

### Is Chesly free?

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

### Do proof or Chesly have ads?

Neither proof nor Chesly shows ads.

### Which is updated more often, proof or Chesly?

proof ships an update every 9 days, and Chesly every 3 days. Most recently, proof was updated on October 24, 2026 and Chesly on October 28, 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.*