Comparison

Moonglow vs AR Protractor

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Moonglow

Transform your device into a gentle night light with adjustable brightness and calming nature sounds. Choose from three moon phases and set a timer for peaceful sleep or quiet moments.

Highlights
  • Soft moonlight with adjustable brightness
  • Three moon phases
  • Calming nature sounds (Rain, Wind, Ocean)
  • Seamless sound loops
  • Adjustable timer with fade-out
  • Offline functionality
Features
Read full description

Moonglow turns your screen into a soft, warm night light with calming Rain, Wind, and Ocean sounds. Use it for bedtime, night feeding, nursery check-ins, or quiet moments in the dark. FEATURES • Soft moonlight with adjustable brightness • Three moon phases: Full, Crescent, and New • Rain, Wind, and Ocean in seamless loops • Simple one-tap controls • 5–120 minute timer with gentle fade-out NO ADS. NO SUBSCRIPTIONS. NO TRACKING. Works offline. Made for peaceful nights. Questions or feedback: moonglow.app@outlook.com

About

AR Protractor

Features
Read full description

AR Protractor is a portable measurement tool built on augmented reality that turns your phone into a portable rangefinder, protractor and volume meter. No extra hardware is needed — just open the camera and aim at a flat surface to get accurate measurement results instantly. ## Main Features • Rangefinder: Continuous single-point measurement with real-time display of segment length and total cumulative distance • Protractor: Calculate arbitrary planar angles via three-point measurement • Area Measurement: Two modes available — polygon and circle • Volume Measurement: One-tap calculation for cuboids, cylinders and irregular solids (frustum method) • Unit Conversion: Meters, centimeters, millimeters, feet, inches; cubic meters, liters, cubic feet, gallons • Marker Size Adjustment: Customize the size of measurement markers to suit your usage habits ## Premium Features Two unlocking options: yearly subscription (3-day free trial, cancel anytime, auto-renews yearly) or one-time purchase for permanent unlock. Unlock Angle Measurement, Area Measurement, and all volume features (Box / Cylinder), ad-free. ## Privacy & Support We value your privacy. All AR measurement processing happens locally on your device, and none of your environmental data will be uploaded. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Moonglow4 screens
AR Protractor4 screens

Verdict

The call

Moonglow and AR Protractor are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Moonglow sells 1 one-off in-app purchase and AR Protractor sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Moonglow ships an update every 10 days, AR Protractor every 3 weeks. The most recent releases landed on October 18, 2026 and October 19, 2026 respectively.

ScorecardNo meaningful differences
Moonglow versus AR Protractor: the parameters behind the verdict, then further details
ParameterMoonglowAR Protractor
PriceFreeFree
Rating5.0 (3 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 10 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPod — better
Requires iOS16.416 — better
Further details — not scored
Size57 MB2 MB
Age rating4+4+
Developer罕天 庞晓强 江

In-app purchases

1 purchases

Moonglow

One-time1
  • Moonglow Pro$0.99
1 purchases

AR Protractor

One-time1
  • Unlock all features$4.99

Questions

Is Moonglow free?
Moonglow is free to download, with in-app purchases available.
Is AR Protractor free?
AR Protractor is free to download, with in-app purchases available.
Do Moonglow or AR Protractor have ads?
Neither Moonglow nor AR Protractor shows ads.
Which is updated more often, Moonglow or AR Protractor?
Moonglow ships an update every 10 days, and AR Protractor every 3 weeks. Most recently, Moonglow was updated on October 18, 2026 and AR Protractor on October 19, 2026.

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