# Leonhard Euler vs Mushroom Identifier

The clearest difference is price: Mushroom Identifier at Free against Leonhard Euler's $1.99. Leonhard Euler's advantage is in-app purchases (none vs 4) and iOS requirement (15.6 vs 18.0). On update cadence, ads and device support there is nothing between them.

Mushroom Identifier is free to download; Leonhard Euler costs $1.99 up front. Mushroom Identifier sells 4 in-app purchases, starting at $2.49 per 7 days. Leonhard Euler asks for nothing beyond the download.

Leonhard Euler ships an update every 3 months, Mushroom Identifier every 2 months. The most recent releases landed on September 25, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Leonhard Euler | Mushroom Identifier |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.0 (837 ratings)](https://appshunter.io/ios/app/mushroom-identifier-fungi-id/id1537299577/reviews)** |
| Number of ratings | — | **837** |
| Positive reviews | — | 34.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | — | Freemium |
| Size | 42 MB | 18 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPad, Mac, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ventura Educational Systems](https://appshunter.io/developer/371324172) | [RLAM FZCO](https://appshunter.io/developer/1712678414) |

## What reviewers say

### Leonhard Euler

[App page](https://appshunter.io/ios/app/leonhard-euler/id1451119959)

**Features:** Vision Pro support

**In-app purchases:** none


### Mushroom Identifier

[App page](https://appshunter.io/ios/app/mushroom-identifier-fungi-id/id1537299577)

Identify thousands of mushroom and fungus species using your phone's camera. Explore nature and learn about fungi with a rich database. Upgrade for unlimited scans and detailed information.

**Highlights:** Identify mushrooms and fungi with photos, Image recognition technology, Rich database information, Explore nature and wildlife, AI-powered learning engine, Unlimited scans with Premium

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Identify Mushroom by picture | $2.49 | per 7 days |
| Identify Mushroom by Picture | $4.49 | per 7 days |
| Mushroom Scanner 1 year | $19.99 | per year |
| Mushroom Scanner 1 month | $29.99 | per month |

**What reviewers like**

- 🚀 Great app
- 👍 Useful
- 👍 Accurate
- 👍 Fun
- 👍 Excellent

**What reviewers complain about**

- 🐛 Doesn't work
- 🐛 Can't get it to work
- 🐛 Inaccurate
- 🐛 Learn more button doesn't work
- 🐛 Can't identify mushrooms

**Reported bugs**

- Crashes
- Freezes
- Incompatible with older devices
- Incorrectly identifies mushrooms

**Requested features**

- Ability to save identified mushrooms
- Better organization of information
- Option to take pictures within the app


## Frequently asked questions

### Is Leonhard Euler free?

Leonhard Euler costs $1.99, with no in-app purchases.

### Is Mushroom Identifier free?

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

### Do Leonhard Euler or Mushroom Identifier have ads?

Neither Leonhard Euler nor Mushroom Identifier shows ads.

### Which is updated more often, Leonhard Euler or Mushroom Identifier?

Leonhard Euler ships an update every 3 months, and Mushroom Identifier every 2 months. Most recently, Leonhard Euler was updated on September 25, 2026 and Mushroom Identifier on November 3, 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.*