📈Last 7 days+1.3K installs — 24% slower than the week before (+1.8K) · 175/day since Oct 7
🏆Among Tools appstop 4% by installs gained this week (1246 peers growing)
⭐Rating steady at ★ 4.74 since Oct 7
🛠Updatesquiet · updated 34 days ago
Installs since launch
+5,063 installs
· +114 ratings
since Oct 7
Update history
13.01Oct 8, 2026 · seen Oct 15, 2026
Measurement accuracy improvements, optimizations and bug fixes.<br><br>Previous changes:<br>We have updated our Information guides.<br>PPFD Meter for iOS released. <br>We have added new language options.<br>We have added option to convert PAR Maps into DLI Maps.<br>Happy Cultivating!
Only the current version so far — new entries appear as the app ships updates.
PPFD Meter - Grow Light Meter is a tools app by Home Studio Inc. with 100,000+ downloads (about 382K estimated). +1.3K installs in the last 7 days. Rated 4.7 from 4.8K ratings. Released Jan 16, 2021. Install growth, rank history, SDKs and ad networks.
From the store listing: “Effortless PAR Meter: Elegant, Accurate, Feature-Packed & Insightful”
