openJII

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About this app

openJII was created to support open, collaborative research in photosynthesis. Initiated by the Jan IngenHousz Institute, Wageningen University, and Michigan State University, the platform aims to help researchers share, integrate, and interpret complex, large-scale datasets—ultimately uncovering genetic linkages that shape photosynthesis.

It fully supports MultispeQ measurements and is designed to integrate new sensors and upcoming features as the platform evolves.

with a strong foundation and an expanding set of tools and features available. We continue to actively develop and refine the platform, and we warmly welcome your feedback as we build it further together with the community.
Updated on
Apr 7, 2026

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
Personal info, App info and performance, and Device or other IDs
Data is encrypted in transit
You can request that data be deleted

What’s new

What's new in 1.14.3

• Scan QR codes directly inside measurement flow questions
• Bluetooth: detect disconnects and reconnect inline without leaving the measurement
• Measurement summary now opens in a bottom sheet, with UX polish
• Measurement timestamps are shown in the data table
• No more time sync warnings while offline
• More reliable on-device measurement storage
• Stability and bug fixes
Content rating
Everyone
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App support

About the developer
Stichting Jan IngenHousz Institute
openjii@jan-ingenhousz-institute.org
Bornsesteeg 48 Radix Serre (ge 6708 PE Wageningen Netherlands
+31 6 41586244