Sentry Downloads & RevenueSentry · App Store
Sentry is #139 in Education Free in United Kingdom and charting in 1 of 30 countries we track.
Updated 11 Nov 2026 · rankings refresh through the day
DeveloperS. B. ELECTRONIC SYSTEMS LIMITED
CategoryEducation
PriceFree
Released
Rating★ 0.0 (0)
Version1.0.2
Age rating4+
First seen by us
28 Sep 2026
28 Sep 2026Full timeline · 2 events in the last 12 months
- 🆕Sentry first spotted by AppInsider#70 in Top Free · Education · United Kingdom
- 🆕Sentry released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
0.0 ★
0 ratings
Measured
Best rank now
#139
Education FreeMeasured
Sentry on the App Store
App details
App ID
6446584580
Publisher
S. B. ELECTRONIC SYSTEMS LIMITED
On the store since
Mar 2023
3 years on the store
Minimum OS
iOS 13.0+
iPhone 6s and later
Devices
iPhone · iPad
Content rating
4+
Languages
1
EN
Size
30 MB
Also listed in
Utilities
Where Sentry's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| United Kingdom | EducationFree | #139 |
Apps near Sentry on the chart
Education Free, around #139.
Ratings
App Store, worldwide.
Rating
0.0 ★
0 ratings
Measured
Ratings
0
Measured
About Sentry
An application helping to book and access study spaces, rooms, resources eg computers consistent with academia facilities. If configured, it allows users to present their ID card barcode on their phone.
Latest updates
1.0.2
Bugfixes
