Reference table
Nine diary study apps and what each does best
A quick reference to nine diary study tools in 2026 and the job each fits: large mobile panels, mobile ethnography, research communities, live follow-ups, lightweight capture, recruitment and analysis. Use it to shortlist tools before you compare pricing and timelines. Koji is on the list for the follow-up step, running AI-moderated interviews that ask participants why they did what their diary entries show.
Where this appears
What's in this reference table
| Tool | Best for |
|---|---|
| Koji | Fast motivational depth: the why behind diary behavior |
| dscout | Large-scale mobile diary studies with a built-in panel |
| Indeemo | AI-powered mobile ethnography and diary studies |
| Recollective | Community-based, longitudinal qualitative research |
| EthOS | In-the-moment, in-context mobile ethnography |
| Lookback | Mixing diary entries with live sessions |
| Diary Study IO | Lightweight, low-cost diary studies |
| Ethnio | Recruiting and managing diary participants |
| Dovetail | Analyzing diary data in a research repository |
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<a href="https://www.koji.so/visuals/diary-study-apps-best-use-table"><img src="https://www.koji.so/visuals/diary-study-apps-best-use-table/diary-study-apps-best-use-table.png" alt="Table of nine diary study apps, including dscout, Indeemo, Recollective, EthOS and Dovetail, with the research job each one suits best." width="1200" height="889" /></a>
<p>Source: <a href="https://www.koji.so/visuals/diary-study-apps-best-use-table">Nine diary study apps and what each does best</a>, Koji</p>
