Protractor+ Downloads & RevenueProtractor+ · App Store
Not in any tracked top chart right now.
Updated 8 Nov 2026 · rankings refresh through the day
DeveloperTue Nguyen Minh
CategoryUtilities
PriceFree
Released
Rating★ 4.2 (87)
Version2.4.5
Age rating4+
First seen by us
12 Oct 2026
Installs (est.)1M+ worldwide
Full timeline · 3 events
- 🆕Protractor+ first spotted by AppInsiderUnited Arab Emirates (found via developer)
- 📦Protractor+ version 2.4.5Minor bug fixes
- 🆕Protractor+ 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
4.2 ★
87 ratings
Measured
Protractor+ on the App Store
App details
App ID
631311541
Publisher
Tue Nguyen Minh
On the store since
Apr 2013
13 years on the store
Minimum OS
iOS 17.6+
iPhone XS and later
Devices
iPhone · iPad
Universal purchase
Content rating
4+
Languages
1
EN
Size
22 MB
Also listed in
Productivity
Protractor+ downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. App Store downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend in Protractor+ before Apple and Google take their fee.
How this is calculated
Not on any Top Grossing chart: monthly active users × spend per user for its category, measured on the charted apps nearest the bottom of the charts.
Business model: Subscription-led
How Protractor+ makes money: subscriptions, one-off purchases and ads.
SubscriptionsIn-app purchases
Subscriptions
/mo
of revenue
Top in-app purchases · App Store US, most popular first
| 1 | Pro Features subscription |
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.2 ★
87 ratings
Measured
Ratings
87
Measured
About Protractor+
Protractor helps you to measure angles quickly and easily.
This app turn your iPhone into a handy pocket protractor that can measure angles in both degrees and radians.
Features:
- Elegant design
- Measure in degrees and radians
- Intuitive visual control
This app turn your iPhone into a handy pocket protractor that can measure angles in both degrees and radians.
Features:
- Elegant design
- Measure in degrees and radians
- Intuitive visual control
Latest updates
2.4.5
Minor bug fixes