# Leave No Trace Citizen Science vs Learnimo

The clearest difference is in-app purchases: Leave No Trace Citizen Science at none against Learnimo's 2. Learnimo's advantage is update cadence (every 5 days vs every 6 weeks). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Learnimo sells 2 in-app purchases, starting at $5.99 per month. Leave No Trace Citizen Science asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Leave No Trace Citizen Science against 5.0 for Learnimo. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Leave No Trace Citizen Science ships an update every 6 weeks, Learnimo every 5 days. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Leave No Trace Citizen Science | Learnimo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/leave-no-trace-citizen-science/id1536428995/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/learnimo-ai-study-and-notes/id6773701294/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Monetization | **Free** | Freemium |
| Size | 33 MB | 38 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Greg Newman](https://appshunter.io/developer/1536428997) | [Adithya A V R S](https://appshunter.io/developer/1889595002) |

## What reviewers say

### Leave No Trace Citizen Science

[App page](https://appshunter.io/ios/app/leave-no-trace-citizen-science/id1536428995)

Empower volunteers to monitor outdoor resource conditions over time. This citizen science application supports the mission of protecting natural spaces through responsible enjoyment and education.

**Highlights:** Citizen science data collection, Resource condition monitoring, Outdoor ethics education, Inspires responsible enjoyment, Volunteer empowerment

**Features:** macOS Compatibility

**In-app purchases:** none


### Learnimo

[App page](https://appshunter.io/ios/app/learnimo-ai-study-and-notes/id6773701294)

Organize your learning with AI-powered notes and flashcards. Connect with a community of learners to share and discover new topics. Study smarter and retain information longer.

**Highlights:** AI-powered study material generation, Hierarchical topic and note organization, Spaced repetition flashcards, Community exploration and sharing, Rich text and media note-taking, Cross-device synchronization

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Learnimo Pro Monthly | $5.99 | per month |
| Learnimo Pro Yearly | $44.99 | per year |


## Frequently asked questions

### Is Leave No Trace Citizen Science free?

Leave No Trace Citizen Science is free to download, with no in-app purchases.

### Is Learnimo free?

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

### Which has better reviews, Leave No Trace Citizen Science or Learnimo?

Leave No Trace Citizen Science and Learnimo are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Leave No Trace Citizen Science or Learnimo have ads?

Neither Leave No Trace Citizen Science nor Learnimo shows ads.

### Which is updated more often, Leave No Trace Citizen Science or Learnimo?

Leave No Trace Citizen Science ships an update every 6 weeks, and Learnimo every 5 days. Most recently, Leave No Trace Citizen Science was updated on October 9, 2026 and Learnimo on October 6, 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.*