# Polygloss vs Fossil Identifier

The clearest difference is in-app purchases: Polygloss at none against Fossil Identifier's 2. Polygloss also leads on update cadence (fortnightly vs every 4 months) and iOS requirement (11.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Fossil Identifier sells 2 in-app purchases, starting at $4.99 per 7 days. Polygloss asks for nothing beyond the download.

Polygloss ships an update fortnightly, Fossil Identifier every 4 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Polygloss | Fossil Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.1 (13 ratings)](https://appshunter.io/ios/app/fossil-identifier-fossilscope/id6747905283/reviews)** |
| Number of ratings | — | **13** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | — | Free with in-app purchases |
| Size | 145 MB | 40 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Benjamin Lim](https://appshunter.io/developer/1209902236) | [Mohamed Mohamed-Ali](https://appshunter.io/developer/1821633492) |

## What reviewers say

### Polygloss

[App page](https://appshunter.io/ios/app/polygloss/id1270663697)

**Features:** macOS Compatibility

**In-app purchases:** none


### Fossil Identifier

[App page](https://appshunter.io/ios/app/fossil-identifier-fossilscope/id6747905283)

Instantly identify fossils using AI by pointing your camera at a specimen. Access a comprehensive database with detailed information and educational resources. Catalog your finds and share discoveries with a community of enthusiasts.

**Highlights:** AI-powered instant fossil recognition, Comprehensive fossil species database, Detailed scientific information, Interactive educational guides, Personal fossil collection catalog, Community sharing of discoveries

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fossil Scope Premium Weekly | $4.99 | per 7 days |
| Fossil Scope Premium Yearly | $24.99 | per year |


## Frequently asked questions

### Is Polygloss free?

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

### Is Fossil Identifier free?

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

### Do Polygloss or Fossil Identifier have ads?

Neither Polygloss nor Fossil Identifier shows ads.

### Which is updated more often, Polygloss or Fossil Identifier?

Polygloss ships an update fortnightly, and Fossil Identifier every 4 months. Most recently, Polygloss was updated on November 3, 2026 and Fossil Identifier on October 30, 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.*