# iNaturalist vs Relativity Lab

The clearest difference is price: iNaturalist at Free against Relativity Lab's $1.99. iNaturalist also leads on chart position (#78 vs unranked) and iOS requirement (15.1 vs 17.6). On ads, in-app purchases and device support there is nothing between them.

iNaturalist is free to download; Relativity Lab costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | iNaturalist | Relativity Lab |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.1 (709 ratings)](https://appshunter.io/ios/app/inaturalist/id6475737561/reviews)** | — |
| Number of ratings | **709** | — |
| Positive reviews | 48.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free | — |
| Best chart rank | **#78** | — |
| Size | 220 MB | 7 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [iNaturalist](https://appshunter.io/developer/421397031) | [GlobalBIT Inc.](https://appshunter.io/developer/419302057) |

## What reviewers say

### iNaturalist

[App page](https://appshunter.io/ios/app/inaturalist/id6475737561)

**Currently charting:** #78 Top Free · Education (US App Store)

Identify plants, animals, and fungi using your camera or imported photos. Get AI-powered species suggestions and connect with a global community of nature enthusiasts to learn more about the natural world and contribute to scientific conservation efforts.

**Highlights:** AI species identification, Record species observations, Contribute to scientific data, Explore biodiversity, Connect with nature enthusiasts

**In-app purchases:** none

**What reviewers like**

- 🚀 Faster and more intuitive UI
- 👍 Improved features from website
- 💡 Batch upload and sorting options
- 🚀 Responsive and smooth performance
- 👍 Easier to navigate and use

**What reviewers complain about**

- 🐛 Bugs with observation time and location
- 🔍 Difficulty finding advanced editing options
- 🔍 Overly complex UI for basic tasks
- 🔍 Removal of useful features like map view
- 🔍 Too much reliance on AI identification

**Reported bugs**

- App freezes when suggesting IDs on audio clips
- Inconsistent tap responsiveness in search menu
- Observation time not accurately filling based on upload time
- Map showing incorrect observation locations
- Crashes and performance issues on some devices

**Requested features**

- Ability to type in address/coordinates for location
- Option to add observations to projects during upload
- Batch editing/uploading of observations
- More precise search filters (e.g. aquatic, parasitic, migratory)
- Bring back colored observation markers on map


### Relativity Lab

[App page](https://appshunter.io/ios/app/relativity-lab/id6781404854)

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

**In-app purchases:** none


## Frequently asked questions

### Is iNaturalist free?

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

### Is Relativity Lab free?

Relativity Lab costs $1.99, with no in-app purchases.

### Do iNaturalist or Relativity Lab have ads?

Neither iNaturalist nor Relativity Lab 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.*