Vatupassi vs Angle Gauge
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Vatupassi
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Vatupassi turns your iPhone or iPad into a versatile digital measuring tool for home, jobsite, and vehicle use. The view adapts automatically to your device’s orientation: use a classic bar level in portrait or landscape, or a circular bull’s-eye level when the device lies flat. FEATURES • Measure angles and slopes in degrees, percent, per mille, or 1• Plumbing and construction presets for drains, wet rooms, and roofs• Quick and flip calibration for more reliable measurements• Adjustable tolerance with sound and haptic feedback• Hold the reading and keep the screen awake• Camera view for reading the slope of surfaces from a distance• Light and dark themes Privacy by design: the app requires no account, contains no ads, and collects no personal data. Camera images are never stored or transmitted. VATUPASSI PRO Pro unlocks two powerful additional tools: • Vehicle tilt monitoring – side and fore-aft tilt, peak values, and adjustable warning limits• Slope calculator – calculate height difference from distance and slope The level, calibration, measurement units, presets, and camera view are free. Pro is offered as an automatically renewing yearly subscription. Eligible users can try Pro free for 7 days. The current price and terms are shown before purchase. The subscription renews automatically until canceled and can be managed in your Apple Account subscription settings. Terms of Service:https://www.mobileapps.fi/bubblelevel/kayttoehdot-ios.html Privacy Policy:https://www.mobileapps.fi/bubblelevel/tietosuoja-ios.html
Angle Gauge
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Angle Gauge turns the hinge of iPhone Duo into a precision protractor. Set the phone into a corner, against two surfaces or across a joint, and read the angle to a tenth of a degree. MEASURE • Live angle to 0.1°, on the inside display or the outside one • Hold, Auto-Hold when the reading settles, and Zero Here for relative angles • Supplement, bisect and miter angle for every reading • Snap to 1°, 5°, 15° or your own step TARGET • Pick 45°, 90° or any angle with presets and a fine stepper • Haptics build as you get close, then click when you arrive • Tolerance from ±2° down to ±0.25° MATCH • Capture angles into a named library • Find them again later, by feel LEVEL • Bubble level when the phone lies flat, line level on its edge • Two-step calibration cancels the camera bump and the slope of your table • On iPhone Duo, read the hinge relative to true level ON EVERY IPHONE The level works on any iPhone. Measure, Target and Match read the hinge, so they need iPhone Duo with iOS 27.1 or later. BUILT LIKE AN INSTRUMENT • Two-point hinge calibration against fully closed and flat • Degrees, radians or percent open • VoiceOver, Reduce Motion, light and dark • No accounts, no ads, no tracking, and it never goes online
Screenshots
Verdict
The clearest difference is in-app purchases: Angle Gauge at none against Vatupassi's 1. Vatupassi's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 27.0). On price and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Vatupassi sells 1 in-app purchase, starting at $0.99 per year. Angle Gauge asks for nothing beyond the download.
| Parameter | Vatupassi | Angle Gauge |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 27.0 |
| Further details — not scored | ||
| Size | 23 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Petri Tynkkynen | Jared Kaeb |
In-app purchases
Vatupassi
- Vatupassi Pro7 Days trial$0.991 Year
Angle Gauge
No in-app purchases









