Ruler vs Degrees Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ruler
This utility app uses augmented reality to measure lengths and areas in the real world. Simply point your device's camera to get accurate measurements.
- Augmented reality measurement
- Measure length
- Measure area
- Simple interface
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A simple AR ruler for length and area measurements.
Degrees Calc
Easily convert temperatures between various scales using formulas and a quick slide converter. Verify your conversions by entering values directly into the formula table.
- Temperature unit conversion formulas
- Convert to and from Celsius
- Formula table for verification
- Slide converter for quick conversions
- Supports multiple temperature scales
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We have added the temperature units conversion formulas to the application for you. By selecting the desired unit, you can see how you can convert that unit to celsius and celsius to that unit, and you can convert by entering a value in the formula table to see if your result was correct. As an extra, we have added a slide converter tab in the application so that you can quickly convert units to each other.
Screenshots
Verdict
The clearest difference is rating: Degrees Calc at 5.0 against Ruler's 4.5. Degrees Calc also leads on update cadence (monthly vs every 3 months). Ruler's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, 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.
Degrees Calc holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 4 and 2 respectively.
Ruler ships an update every 3 months, Degrees Calc monthly. The most recent releases landed on November 3, 2026 and November 2, 2026 respectively.
| Parameter | Ruler | Degrees Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (4 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | 2 |
| Update frequency | Every 3 months | Monthly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 22 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Play, Inc. | Enes Akkus |
Customer experience
Ruler
Degrees Calc
In-app purchases
Ruler
No in-app purchases
Degrees Calc
No in-app purchases
