# m/z EPA CompTox vs GeoLibre

The clearest difference is iOS requirement: m/z EPA CompTox at 6.0 against GeoLibre's 15.0. On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for m/z EPA CompTox against 5.0 for GeoLibre. Both are backed by a comparable volume of ratings — 2 and 5 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

## The numbers

| Metric | m/z EPA CompTox | GeoLibre |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/mz-epa-comptox/id1148436331/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/geolibre/id6796039674/reviews) |
| Number of ratings | 2 | **5** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 6 days |
| Monetization | Free | Free |
| Size | 129 MB | 54 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kirill Blinov](https://appshunter.io/developer/630833420) | [Qiusheng Wu](https://appshunter.io/developer/6796039676) |

## What reviewers say

### m/z EPA CompTox

[App page](https://appshunter.io/ios/app/mz-epa-comptox/id1148436331)

Search a vast database of chemical structures using exact mass (m/z). This tool provides instant access to over 700,000 chemical structures, making it a valuable resource for researchers and chemists.

**Highlights:** Search by exact mass (m/z), Access EPA CompTox database, Over 700,000 chemical structures, Instant search functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### GeoLibre

[App page](https://appshunter.io/ios/app/geolibre/id6796039674)

Visualize, explore, and analyze geospatial data across multiple platforms. Supports various data formats and includes advanced analysis tools, 3D globe capabilities, and field data collection. Enables sharing and collaboration with others.

**Highlights:** Geospatial data visualization, Support for multiple data formats, Advanced vector and geoprocessing tools, 3D globe and planetary mapping, Field data collection (GPS, photos, attributes), Live collaboration sessions, Extensible with plugins

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

**In-app purchases:** none


## Frequently asked questions

### Is m/z EPA CompTox free?

m/z EPA CompTox is free to download, with no in-app purchases.

### Is GeoLibre free?

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

### Which has better reviews, m/z EPA CompTox or GeoLibre?

m/z EPA CompTox and GeoLibre are both rated 5.0 out of 5 on the App Store, from 2 and 5 ratings respectively.

### Do m/z EPA CompTox or GeoLibre have ads?

Neither m/z EPA CompTox nor GeoLibre shows ads.

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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.*