# Rock Identifier vs Featherly

The clearest difference is update cadence: Featherly at every 5 days against Rock Identifier's every 7 months. Featherly also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Rock Identifier sells 6 in-app purchases, starting at $3.99 per 7 days and Featherly sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Rock Identifier ships an update every 7 months, Featherly every 5 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Rock Identifier | Featherly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/featherly/id6786552569/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 30 MB | 103 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Cloud Motion Lab LLC](https://appshunter.io/developer/1866865109) | [Spencer Clarke](https://appshunter.io/developer/1871023705) |

## What reviewers say

### Rock Identifier

[App page](https://appshunter.io/ios/app/rock-identifier-gem-scan/id6761649942)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro - Special Offer | $3.99 | per 7 days |
| Pro Weekly | $4.99 | per 7 days |
| Pro Weekly | $6.99 | per 7 days |
| Pro Yearly | $29.99 | per year |
| Yearly Pro | $39.99 | per year |
| Pro Yearly | $59.99 | per year |


### Featherly

[App page](https://appshunter.io/ios/app/featherly/id6786552569)

Discover and collect digital cards of bird species you encounter in the real world. Compete with friends by comparing collections and climbing leaderboards. Learn about different species and explore their information.

**Highlights:** Discover and collect bird species, Plot sightings on a map, Compete with friends in groups/leagues, Learn species information, In-game mapping features, Customizable app skins

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Monthly | $1.99 | per month |
| Pro Monthly | $4.99 | per month |


## Frequently asked questions

### Is Rock Identifier free?

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

### Is Featherly free?

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

### Do Rock Identifier or Featherly have ads?

Neither Rock Identifier nor Featherly shows ads.

### Which is updated more often, Rock Identifier or Featherly?

Rock Identifier ships an update every 7 months, and Featherly every 5 days. Most recently, Rock Identifier was updated on October 24, 2026 and Featherly 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.*