Protractor (Angle measurement) vs KeraLog
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Protractor (Angle measurement)
Measure angles of objects using your device's camera. This utility app acts as a digital protractor, allowing you to accurately determine angles in real-world scenarios. Perfect for when a physical protractor is unavailable.
- Camera-based angle measurement
- Digital protractor functionality
- Measure angles of objects
- Real-world angle determination
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You are there when you need a protractor? Here is the absence of a protractor, try using a protractor app. You can measure the angle of the object is reflected in the camera protractor. Try using a protractor protractor various apps, app.
KeraLog
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Die KeraLog App erlaubt es Ihnen, sich mit einem KeraLog Gerät via Bluetooth Low Energy zu verbinden, die Live-Daten auf dem Gerät zu überwachen, und das Gerät zu konfigurieren.
Screenshots
Verdict
The clearest difference is ads: KeraLog at none against Protractor (Angle measurement)'s shown. KeraLog also leads on iOS requirement (12.0 vs 15.0). Protractor (Angle measurement)'s advantage is update cadence (every 5 weeks vs every 5 months). On price, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
Protractor (Angle measurement) ships an update every 5 weeks, KeraLog every 5 months. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.
| Parameter | Protractor (Angle measurement) | KeraLog |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (10 ratings) — better | — |
| Positive reviews | 68.1% of reviews | — |
| Number of ratings | 10 — better | — |
| Update frequency | Every 5 weeks — better | Every 5 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | EONSOFT | ESYS Gesellschaft fuer Elektronische Systemtechnik . Hard- und Software mbH |
Bugs and requests
Protractor (Angle measurement)
Reported bugs
8 issues- Camera is always blurry
- Ads cover buttons
- App is a ghost app, cannot open
- Time limit makes it unusable
- Measures only in radians (free)
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- Protractor over camera view, no needle/indication
- App is difficult to use
- Hard to hold still without tripod
Requested features
10 requests- Ability to freeze image
- Ability to use photos for measurement
- Upload a still image and overlay protractor
- Improve accuracy with shaky hands
- Add option to take a picture and measure
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- Stabilize the camera
- Make numbers easier to read
- Remove time limit on free version
- Allow measurement in degrees for free
- Delete purchase history
KeraLog
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Protractor (Angle measurement)
No in-app purchases
KeraLog
No in-app purchases
Questions
Is Protractor (Angle measurement) free?
Is KeraLog free?
Do Protractor (Angle measurement) or KeraLog have ads?
Which is updated more often, Protractor (Angle measurement) or KeraLog?
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