# Polygloss vs Fossil Identifier

The clearest difference is in-app purchases: Polygloss at none against Fossil Identifier's 3. Polygloss also leads on ads (none vs shown) and update cadence (fortnightly vs every 3 months). On price and device support there is nothing between them.

Both are free to download. Fossil Identifier sells 3 in-app purchases, starting at $3.99 per 7 days. Polygloss asks for nothing beyond the download.

Polygloss ships an update fortnightly, Fossil Identifier every 3 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Polygloss | Fossil Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/fossil-identifier-ai-scanner/id6753740410/reviews)** |
| Number of ratings | — | **7** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 145 MB | 95 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Benjamin Lim](https://appshunter.io/developer/1209902236) | [Tho Hop](https://appshunter.io/developer/1821659322) |

## 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-ai-scanner/id6753740410)

Instantly identify fossil species, age, and ancient habitats by taking a photo. Explore Earth's history with fascinating facts and insights into prehistoric life. Ideal for students, researchers, and enthusiasts.

**Highlights:** Instant fossil recognition via photo, Detailed species identification, Fossil age and habitat information, Learn about ancient environments, Fascinating facts on prehistoric life

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $3.99 | per 7 days |
| Premium Yearly | $29.99 | per year |
| Premium Lifetime | $59.99 | one-time |


## 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?

Fossil Identifier shows ads; Polygloss does not.

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

Polygloss ships an update fortnightly, and Fossil Identifier every 3 months. Most recently, Polygloss was updated on October 26, 2026 and Fossil Identifier 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.*