# Mlem vs NatureDex

The clearest difference is rating: NatureDex at 5.0 against Mlem's 3.5. NatureDex also leads on in-app purchases (none vs 10) and ads (none vs shown). On price, ratings volume, update cadence and device support there is nothing between them.

Both are free to download. Mlem sells 10 in-app purchases, starting at $4.99 per 7 days. NatureDex asks for nothing beyond the download.

NatureDex holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

Mlem ships an update every 9 days, NatureDex every 6 days. The most recent releases landed on September 23, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Mlem | NatureDex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/mlem/id6456408552/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/naturedex/id6748327779/reviews)** |
| Number of ratings | 2 | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | **Every 6 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 208 MB | 69 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | +12 | 17+ |
| Developer | [Jakub Stachecki](https://appshunter.io/developer/1587868648) | [Co AI, Inc.](https://appshunter.io/developer/1825256219) |

## What reviewers say

### Mlem

[App page](https://appshunter.io/ios/app/mlem/id6456408552)

Discover kindred spirits who share your unique interests, from obscure memes to niche hobbies. This app offers a whimsical wonderland of connections with an easy-to-use interface for finding like-minded individuals.

**Highlights:** Connect with like-minded individuals, Discover shared passions and quirks, Whimsical wonderland illustrations, Easy-to-use interface, Find niche hobby enthusiasts

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Deluxe Weekly | $4.99 | per 7 days |
| Mlem Deluxe Monthly | $9.99 | per month |
| Mlem Deluxe Quarterly | $14.99 | per 3 months |
| 1000 Coins | $0.99 | one-time |
| Energy 500 | $2.99 | one-time |
| Energy 1000 | $3.99 | one-time |
| 5000 Coins | $3.99 | one-time |
| 10000 Coins | $5.99 | one-time |
| Energy 2500 | $7.99 | one-time |
| 15000 Coins | $9.99 | one-time |


### NatureDex

[App page](https://appshunter.io/ios/app/naturedex/id6748327779)

Identify plants, animals, and fungi using AI-powered image recognition. Share your discoveries with detailed notes and location data, and explore what others are finding in a social feed. Engage with a community through comments, likes, and challenges.

**Highlights:** AI-enabled plant, animal, and fungi identification, Share discoveries with notes and location, Social feed of user captures, Follow users, like, and comment, Complete challenges and earn badges, Organize captures into collections, Map view of local discoveries

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mlem free?

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

### Is NatureDex free?

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

### Which has better reviews, Mlem or NatureDex?

NatureDex is rated higher. Mlem averages 3.5 out of 5 from 2 ratings, while NatureDex averages 5.0 from 4 ratings.

### Do Mlem or NatureDex have ads?

Mlem shows ads; NatureDex does not.

### Which is updated more often, Mlem or NatureDex?

Mlem ships an update every 9 days, and NatureDex every 6 days. Most recently, Mlem was updated on September 23, 2026 and NatureDex on October 9, 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.*