# TerrHum vs Bugs Matter

The clearest difference is update cadence: Bugs Matter at every 2 months against TerrHum's every 10 months. TerrHum's advantage is iOS requirement (10 vs 13.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TerrHum ships an update every 10 months, Bugs Matter every 2 months. The most recent releases landed on October 6, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | TerrHum | Bugs Matter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/terrhum/id1366575503/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 41.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 18 MB | 28 MB |
| Requires iOS | **10** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Augusto Zanella](https://appshunter.io/developer/1366575502) | [Natural Apptitude](https://appshunter.io/developer/815539119) |

## What reviewers say

### TerrHum

[App page](https://appshunter.io/ios/app/terrhum/id1366575503)

This app allows users to classify non-submerged forest topsoils on their mobile devices. It provides visual examples and guides users through a series of questions to identify humus forms and soil horizons. The app functions offline after an initial download, making it useful for fieldwork.

**Highlights:** Classify forest topsoils, Identify humus forms and horizons, Offline functionality, Visual examples and guides, User-friendly YES/NO questions, Magnifiable photographs

**Features:** macOS Compatibility

**In-app purchases:** none


### Bugs Matter

[App page](https://appshunter.io/ios/app/bugs-matter/id1525891356)

Contribute to critical biodiversity monitoring by recording insect counts and journey routes. Your data helps scientists understand insect decline for conservation and education efforts. Anyone with a phone and vehicle access can participate easily.

**Highlights:** Record insect counts, Log vehicle journey routes, Contribute to biodiversity monitoring, Provide vehicle details for analysis, Easy data submission without specialist knowledge

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TerrHum free?

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

### Is Bugs Matter free?

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

### Do TerrHum or Bugs Matter have ads?

Neither TerrHum nor Bugs Matter shows ads.

### Which is updated more often, TerrHum or Bugs Matter?

TerrHum ships an update every 10 months, and Bugs Matter every 2 months. Most recently, TerrHum was updated on October 6, 2026 and Bugs Matter on September 29, 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.*