Data collection
ODK
The open-source pioneer of mobile data collection, with a large ecosystem and the option to self-host everything.
★★★★★ 4.6 out of 5
What it is
The open-source pioneer of mobile data collection, with a large ecosystem and the option to self-host everything.
What it's good for
- Teams that want full control
- Custom deployments
- Offline collection at scale
Pros
- Open source, no licence fee
- Self-host for privacy
- Mature and reliable
Cons
- Self-hosting needs technical skill
- Setup is more involved than hosted tools
Pricing
| Free / open source | See the vendor's page for current pricing. |
|---|
Indicative prices, which change often. Always confirm on the vendor's own page before buying.
Our verdict
The choice when control matters more than convenience: you host it, you own the data.
Alternatives: KoboToolbox, ONA.
Whatever tool you choose, verify the output
Our free handbook shows you how to check every claim an AI makes, so nothing reaches a donor unverified.
Get the free handbook