# Angle Gradient Inclinometer vs NaKo

The clearest difference is ads: NaKo at none against Angle Gradient Inclinometer's shown. NaKo also leads on update cadence (every 3 weeks vs every 8 months). Angle Gradient Inclinometer's advantage is iOS requirement (13 vs 16.4). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Angle Gradient Inclinometer ships an update every 8 months, NaKo every 3 weeks. The most recent releases landed on October 14, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Angle Gradient Inclinometer | NaKo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (295 ratings)](https://appshunter.io/ios/app/angle-gradient-inclinometer/id530077112/reviews)** | — |
| Number of ratings | **295** | — |
| Positive reviews | 51.1% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 11 MB | 63 MB |
| Requires iOS | **13** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) | [Gaetano Gallo Afflitto](https://appshunter.io/developer/6778927695) |

## 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


### NaKo

[App page](https://appshunter.io/ios/app/nako-courses-partagees/id6785486910)

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

**In-app purchases:** none


## Frequently asked questions

### Is Angle Gradient Inclinometer free?

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

### Is NaKo free?

NaKo is free to download, with no in-app purchases.

### Do Angle Gradient Inclinometer or NaKo have ads?

Angle Gradient Inclinometer shows ads; NaKo does not.

### Which is updated more often, Angle Gradient Inclinometer or NaKo?

Angle Gradient Inclinometer ships an update every 8 months, and NaKo every 3 weeks. Most recently, Angle Gradient Inclinometer was updated on October 14, 2026 and NaKo on September 29, 2026.

---

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