📈Last 7 days+6 installs — 65% slower than the week before (+17) · 1/day since Oct 9
🛠Updatesdormant · updated 122 days ago
Installs since launch
+24 installs
since Oct 9
Update history
1.2.7Jul 15, 2026 · seen Oct 17, 2026
Add support for new devices.
Only the current version so far — new entries appear as the app ships updates.
SpectraPen is a tools app by Photon Systems Instruments with 1,000+ downloads (about 2K estimated). +6 installs in the last 7 days. Released Mar 28, 2019. Install growth, rank history, SDKs and ad networks.
From the store listing: “Calibrated spectroradiometer and quantum light meter”