ODK Collect

3.9
9.64K reviews
1M+
Downloads
Content rating
Everyone
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About this app

ODK lets you build powerful forms to collect the data you need wherever it is.

Here are three reasons why leading researchers, field teams, and other professionals use ODK to collect data that matters.

1. Build powerful forms with photos, GPS locations, skip logic, calculations, external datasets, multiple languages, repeating elements, and more.

2. Collect data online or offline with either the mobile app or the web app. Forms and submissions are synced when a connection is found.

3. Analyze with ease by connecting apps like Excel, Power BI, Python, or R to create live-updating and shareable reports and dashboards.

Get started at https://getodk.org
Updated on
Sep 15, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Location, Personal info and 6 others
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

4.0
8.76K reviews
Dominic Arsenault
April 14, 2023
I was going to use this app until I noticed it isn't free and isn't cheap... it's $169.99 a month for 10 GB of form storage sad to see people needing to resort to upsetting a FORM app for $169.99 a month when Google does the same, and jotform has offline forms for FREE. Edit: I get you have advanced stuff but then again. So many free platforms have that stuff. Here's a suggestion. Offer a free their with just the basics, no logic no fancy stuff just the ability to send forms.
496 people found this review helpful
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Get ODK
April 14, 2023
We're so glad to hear that the alternatives you mentioned work for you. Millions of professionals use ODK because we support 100+ question types, complex logic, external data sets, multiple languages, repeating elements, and more. That said, it's not a competition. We're all fortunate to have so many great options to choose from.
A Google user
October 17, 2018
As for the opensource free app, I'm pretty much satisfied with the result. However, one bug, when i switch the app language from english to burmese language, all the downloading forms and uploading responses no longer working. When i switch back to english, it works again. Please kindly investigate the issue. This bug has been long there for years.
686 people found this review helpful
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Get ODK
October 17, 2018
Hi Taken! We haven't been able to reproduce this issue. Can you please post at https://forum.opendatakit.org/c/support with more details so we can help? We would love to earn your five star review!
Muhammad Faarooq
April 19, 2023
This is too good and easy to use. I would like to develop one is that when we save files or send finalized it doesn't show any content of any files, it only shows date and time. It will be very better if every single files show their content or any different clue we could recognize it which is it.
88 people found this review helpful
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Get ODK
April 19, 2023
We're glad you're having a good experience overall! If you don't want to keep sent forms on the device, you can either manually delete them or turn on the "Delete after Send" setting. You can configure information about each submission to retain and display by setting an instance name (https://docs.getodk.org/xlsform/#naming-filled-forms).

What’s new

* More accurate barcode scanning
* Confirmation step to delete a project, even if there are unsent submissions
* Persistent notification for user-requested form updates

Release notes: https://forum.getodk.org/t/56737
Report issues: https://forum.getodk.org/c/support