# Anecdata.org vs KnowKi

The clearest difference is update cadence: KnowKi at every 4 days against Anecdata.org's every 3 weeks. Anecdata.org's advantage is iOS requirement (13.0 vs 17.0). On price, rating, ratings volume and ads 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 Anecdata.org against 5.0 for KnowKi. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

Anecdata.org ships an update every 3 weeks, KnowKi every 4 days. The most recent releases landed on November 2, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Anecdata.org | KnowKi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/anecdataorg/id1315666791/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/knowki/id6817068034/reviews) |
| Number of ratings | **4** | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free | Free |
| Size | 47 MB | 44 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [MDI Biological Laboratory](https://appshunter.io/developer/1210127056) | [Garrett Craig](https://appshunter.io/developer/6817068036) |

## What reviewers say

### Anecdata.org

[App page](https://appshunter.io/ios/app/anecdataorg/id1315666791)

This platform empowers users to create, manage, and participate in citizen science projects. It facilitates data collection in the field, even offline, and supports project analysis and download.

**Highlights:** Project creation and management, Datasheet design, Participant invitation, Offline data collection, Data download and analysis

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

**In-app purchases:** none


### KnowKi

[App page](https://appshunter.io/ios/app/knowki/id6817068034)

Discover and learn about the living beings in your chosen environment. This app uses real-world observations and interactive lessons to help you identify local flora and fauna, building your knowledge day by day. Engage with fun quizzes and track your progress in your personal field guide.

**Highlights:** Identify local species by group (birds, plants, insects, etc.), Learn with real photos and iNaturalist observations, Daily quizzes and practice exercises, Personalized field guide with progress tracking, Explore species by region or specific locations, Connect with friends and share scores

**In-app purchases:** none


## Frequently asked questions

### Is Anecdata.org free?

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

### Is KnowKi free?

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

### Which has better reviews, Anecdata.org or KnowKi?

Anecdata.org and KnowKi are both rated 5.0 out of 5 on the App Store, from 4 and 2 ratings respectively.

### Do Anecdata.org or KnowKi have ads?

Neither Anecdata.org nor KnowKi shows ads.

### Which is updated more often, Anecdata.org or KnowKi?

Anecdata.org ships an update every 3 weeks, and KnowKi every 4 days. Most recently, Anecdata.org was updated on November 2, 2026 and KnowKi on November 10, 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.*