# CitSci vs Budburst

The clearest difference is rating: CitSci at 4.5 against Budburst's 4.2. Budburst's advantage is ratings volume (13 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.

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

CitSci holds the better App Store score, 4.5 against 4.2. That said, the two scores are not equally well evidenced: Budburst has 13 ratings behind it against 2, so its average is the more settled of the two.

CitSci ships an update every 6 weeks, Budburst every 2 months. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | CitSci | Budburst |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/citsci/id657196305/reviews)** | [4.2 (13 ratings)](https://appshunter.io/ios/app/budburst/id1531186881/reviews) |
| Number of ratings | 2 | **13** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 33 MB | 50 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Greg Newman](https://appshunter.io/developer/1536428997) | [Chicago Botanic Garden](https://appshunter.io/developer/566331682) |

## What reviewers say

### CitSci

[App page](https://appshunter.io/ios/app/citsci/id657196305)

Empower your community with a tool for collecting and uploading scientific observations. This app facilitates citizen science projects, allowing users to contribute valuable data directly to a central platform.

**Highlights:** Data collection for citizen science, Upload observations to CitSci.org, Empowers community science projects, Syncs with web platform, Facilitates observation contribution

**Features:** macOS Compatibility

**In-app purchases:** none


### Budburst

[App page](https://appshunter.io/ios/app/budburst/id1531186881)

Observe and record plant data to contribute to a national community science project. Identify plants, monitor their life cycles, and collaborate with others to understand and preserve nature.

**Highlights:** Observe plants with interactive map, In-app plant identification tool, Monitor plant life cycles, Track plant-animal interactions, Collaborate in community groups

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

**In-app purchases:** none


## Frequently asked questions

### Is CitSci free?

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

### Is Budburst free?

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

### Which has better reviews, CitSci or Budburst?

CitSci is rated higher. CitSci averages 4.5 out of 5 from 2 ratings, while Budburst averages 4.2 from 13 ratings.

### Do CitSci or Budburst have ads?

Neither CitSci nor Budburst shows ads.

### Which is updated more often, CitSci or Budburst?

CitSci ships an update every 6 weeks, and Budburst every 2 months. Most recently, CitSci was updated on November 1, 2026 and Budburst on November 7, 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.*