# Angle Level vs Z3 AIR

The clearest difference is in-app purchases: Z3 AIR at none against Angle Level's 1. Z3 AIR also leads on update cadence (every 2 weeks vs every 6 months) and iOS requirement (11.0 vs 14.0). On price, ads and device support there is nothing between them.

Both are free to download. Angle Level sells 1 one-off in-app purchase. Z3 AIR asks for nothing beyond the download.

Angle Level ships an update every 6 months, Z3 AIR every 2 weeks. The most recent releases landed on October 19, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Angle Level | Z3 AIR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/angle-level-precise-measure/id1522186887/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 109 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Antti Heinonen](https://appshunter.io/developer/1522186889) | [Jhenell Meneses](https://appshunter.io/developer/1734074202) |

## What reviewers say

### Angle Level

[App page](https://appshunter.io/ios/app/angle-level-precise-measure/id1522186887)

This utility app uses your device's sensors to accurately measure the angle and inclination of surfaces. Save, name, and share your measurements, with advanced features available through an in-app purchase.

**Highlights:** Measure angles and inclination, Add offset to measurements, Change measurement axis, Dark Mode support, Measurement history (Pro), Export to CSV (Pro), Name measurements (Pro)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $4.99 | one-time |


### Z3 AIR

[App page](https://appshunter.io/ios/app/z3-air/id6737435928)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Angle Level free?

Angle Level is free to download, with in-app purchases available.

### Is Z3 AIR free?

Z3 AIR is free to download, with no in-app purchases.

### Do Angle Level or Z3 AIR have ads?

Neither Angle Level nor Z3 AIR shows ads.

### Which is updated more often, Angle Level or Z3 AIR?

Angle Level ships an update every 6 months, and Z3 AIR every 2 weeks. Most recently, Angle Level was updated on October 19, 2026 and Z3 AIR on October 25, 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.*