# iNaturalist vs Project Clean Grid

The clearest difference is rating: Project Clean Grid at 5.0 against iNaturalist's 4.1. iNaturalist's advantage is ratings volume (722 vs 5) and chart position (#86 vs unranked). 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.

Project Clean Grid holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: iNaturalist has 722 ratings behind it against 5, so its average is the more settled of the two.

iNaturalist ships an update fortnightly, Project Clean Grid monthly. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | iNaturalist | Project Clean Grid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (722 ratings)](https://appshunter.io/ios/app/inaturalist/id6475737561/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/project-clean-grid/id6636518675/reviews)** |
| Number of ratings | **722** | 5 |
| Positive reviews | 48.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free | Free |
| Best chart rank | **#86** | — |
| Size | 220 MB | 43 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [iNaturalist](https://appshunter.io/developer/421397031) | [Phillip Valko](https://appshunter.io/developer/1762949835) |

## What reviewers say

### iNaturalist

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

**Currently charting:** #86 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


### Project Clean Grid

[App page](https://appshunter.io/ios/app/project-clean-grid/id6636518675)

This app acts as a forecast for electricity grid emissions, helping users reduce their carbon footprint. By adjusting when electricity is used, users can significantly lower associated emissions based on location and season.

**Highlights:** Grid emissions forecast, Real-time emissions data, Shift electricity usage, Reduce carbon footprint, Location-based emissions, Conserve during high emissions

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iNaturalist free?

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

### Is Project Clean Grid free?

Project Clean Grid is free to download, with no in-app purchases.

### Which has better reviews, iNaturalist or Project Clean Grid?

Project Clean Grid is rated higher. iNaturalist averages 4.1 out of 5 from 722 ratings, while Project Clean Grid averages 5.0 from 5 ratings.

### Do iNaturalist or Project Clean Grid have ads?

Neither iNaturalist nor Project Clean Grid shows ads.

### Which is updated more often, iNaturalist or Project Clean Grid?

iNaturalist ships an update fortnightly, and Project Clean Grid monthly. Most recently, iNaturalist was updated on November 8, 2026 and Project Clean Grid on October 30, 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.*