# Angle Gradient Inclinometer vs Measuring Tape, Photo Ruler

The clearest difference is in-app purchases: Angle Gradient Inclinometer at none against Measuring Tape, Photo Ruler's 14. Angle Gradient Inclinometer also leads on review sentiment (51% vs 39%) and iOS requirement (13 vs 16). Measuring Tape, Photo Ruler's advantage is update cadence (monthly vs every 8 months) and ratings volume (2.6K vs 314). On price, rating, ads and device support there is nothing between them.

Both are free to download. Measuring Tape, Photo Ruler sells 12 in-app purchases, starting at $4.99 per 7 days. Angle Gradient Inclinometer asks for nothing beyond the download.

Angle Gradient Inclinometer holds the better App Store score, 4.3 against 4.2. That said, the two scores are not equally well evidenced: Measuring Tape, Photo Ruler has 2.6K ratings behind it against 314, so its average is the more settled of the two. Written reviews point the same way: 51% of Angle Gradient Inclinometer's written reviews are positive against 39% of Measuring Tape, Photo Ruler's.

Angle Gradient Inclinometer ships an update every 8 months, Measuring Tape, Photo Ruler monthly. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Angle Gradient Inclinometer | Measuring Tape, Photo Ruler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (314 ratings)](https://appshunter.io/ios/app/angle-gradient-inclinometer/id530077112/reviews)** | [4.2 (2.6K ratings)](https://appshunter.io/ios/app/measuring-tape-photo-ruler/id1020133524/reviews) |
| Number of ratings | 314 | **2.6K** |
| Positive reviews | **51.1% of reviews** | 39.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 8 months | **Monthly** |
| Monetization | **Ad-supported** | Freemium |
| Size | 11 MB | 296 MB |
| Requires iOS | **13** | 16 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) | [Grymala sp. z o.o.](https://appshunter.io/developer/1686597408) |

## What reviewers say

### Angle Gradient Inclinometer

[App page](https://appshunter.io/ios/app/angle-gradient-inclinometer/id530077112)

Easily measure tilt angles with this free protractor app. It displays inclination from 0 to 359 degrees, along with gradient percentages and angles summing to 180 or 360 degrees. Switch to theodolite mode to set a specified angle to zero.

**Highlights:** Measure tilt angles 0-359 degrees, Display gradient percentage, Show sum angles (180/360), Theodolite mode, Set specified angle to zero

**Features:** Vision Pro support

**In-app purchases:** none


### Measuring Tape, Photo Ruler

[App page](https://appshunter.io/ios/app/measuring-tape-photo-ruler/id1020133524)

This app offers precise measurements using augmented reality and on-screen tools. It caters to both professional and everyday needs with features like a flexible measuring tape, bubble level, and photo ruler. Save and manage your measurements within projects for easy access.

**Highlights:** Augmented reality measurements, On-screen ruler (1D/2D), Photo ruler for object measurement, Flexible measuring tape for curved objects, Bubble level for alignment, Save and manage measurements in projects

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ruler App Weekly | $4.99 | per 7 days |
| Premium Monthly | $5.00 | per month |
| Premium Monthly | $5.00 | per month |
| Premium 3 Monthly | $10.00 | per 3 months |
| Special offer | $10.00 | per year |
| Ruler App Weekly | $12.99 | per 7 days |
| Premium | $19.00 | per year |
| Premium Yearly | $20.00 | per year |
| Premium Yearly | $20.00 | per year |
| Premium Yearly | $26.00 | per year |
| Premium Yearly | $89.99 | per year |
| Premium PRO | $7.99 | one-time |

**What reviewers like**

- 🚀 Accurate measurements
- 👍 Convenient and portable
- 💡 Useful for various applications

**What reviewers complain about**

- 🐛 Crashes and freezes
- 🔋 High battery consumption
- 💰 Excessive ads and paywalls
- 🔍 Inaccurate measurements

**Reported bugs**

- Ruler measurements not to scale
- Camera feature not working properly
- App not recognizing reference objects correctly

**Requested features**

- Add more measurement units (e.g. inches)
- Improve user interface and usability
- Fix compatibility issues with newer devices


## Frequently asked questions

### Is Angle Gradient Inclinometer free?

Angle Gradient Inclinometer is free to download, with no in-app purchases.

### Is Measuring Tape, Photo Ruler free?

Measuring Tape, Photo Ruler is free to download, with in-app purchases available.

### Which has better reviews, Angle Gradient Inclinometer or Measuring Tape, Photo Ruler?

Angle Gradient Inclinometer is rated higher. Angle Gradient Inclinometer averages 4.3 out of 5 from 314 ratings, while Measuring Tape, Photo Ruler averages 4.2 from 2.6K ratings.

### Do Angle Gradient Inclinometer or Measuring Tape, Photo Ruler have ads?

Both Angle Gradient Inclinometer and Measuring Tape, Photo Ruler show ads.

### Which is updated more often, Angle Gradient Inclinometer or Measuring Tape, Photo Ruler?

Angle Gradient Inclinometer ships an update every 8 months, and Measuring Tape, Photo Ruler monthly. Most recently, Angle Gradient Inclinometer was updated on October 26, 2026 and Measuring Tape, Photo Ruler on October 29, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*