# Bone, Skull & Tooth ID vs Feather Identifier

The clearest difference is review sentiment: Feather Identifier at 50% against Bone, Skull & Tooth ID's 0%. Feather Identifier also leads on in-app purchases (none vs 3) and rating (4.9 vs 4.5). Bone, Skull & Tooth ID's advantage is update cadence (every 3 weeks vs every 4 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Bone, Skull & Tooth ID sells 3 in-app purchases, starting at $4.99 per 7 days. Feather Identifier asks for nothing beyond the download.

Feather Identifier holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 58 and 101 respectively. Written reviews point the same way: 0% of Bone, Skull & Tooth ID's written reviews are positive against 50% of Feather Identifier's.

Bone, Skull & Tooth ID ships an update every 3 weeks, Feather Identifier every 4 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | Bone, Skull & Tooth ID | Feather Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (58 ratings)](https://appshunter.io/ios/app/bone-skull-and-tooth-id/id6746349735/reviews) | **[4.9 (101 ratings)](https://appshunter.io/ios/app/feather-identifier/id6759986301/reviews)** |
| Number of ratings | 58 | **101** |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Freemium | **Free** |
| Size | 3 MB | 18 MB |
| Requires iOS | 18.0 | 18 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sergii Nesterenko](https://appshunter.io/developer/1686841405) | [Kawaii](https://appshunter.io/developer/1696001381) |

## What reviewers say

### Bone, Skull & Tooth ID

[App page](https://appshunter.io/ios/app/bone-skull-and-tooth-id/id6746349735)

Instantly identify bones, skulls, and teeth from photos using advanced AI. Explore detailed species information, habitats, and descriptions, all organized in a personal timeline. Perfect for nature lovers, explorers, and students.

**Highlights:** AI-powered identification, Photo analysis, Species matches with confidence scores, Habitat details, Rich descriptions, Personal timeline organization

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Monthly Premium | $7.99 | per month |
| Yearly Premium | $29.99 | per year |


### Feather Identifier

[App page](https://appshunter.io/ios/app/feather-identifier/id6759986301)

Identify bird species from feather photos using AI. Learn about feather structure, bird habitats, and conservation status. Build a personal log of your feather discoveries.

**Highlights:** AI feather analysis, Bird species identification, Feather structure details, Habitat and commonality information, Field log for sightings, Community discoveries feed

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

**In-app purchases:** none


## Frequently asked questions

### Is Bone, Skull & Tooth ID free?

Bone, Skull & Tooth ID is free to download, with in-app purchases available.

### Is Feather Identifier free?

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

### Which has better reviews, Bone, Skull & Tooth ID or Feather Identifier?

Feather Identifier is rated higher. Bone, Skull & Tooth ID averages 4.5 out of 5 from 58 ratings, while Feather Identifier averages 4.9 from 101 ratings.

### Do Bone, Skull & Tooth ID or Feather Identifier have ads?

Neither Bone, Skull & Tooth ID nor Feather Identifier shows ads.

### Which is updated more often, Bone, Skull & Tooth ID or Feather Identifier?

Bone, Skull & Tooth ID ships an update every 3 weeks, and Feather Identifier every 4 months. Most recently, Bone, Skull & Tooth ID was updated on October 25, 2026 and Feather Identifier on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*