# Spirit Level smart — Measure horizontally angles.

> Measure horizontally angles. (iPhone/iPad app by ao-system, Inc..)

- Source: https://appshunter.io/ios/app/spirit-level-smart/id6473119678 (this page in markdown: same URL + `.md`)
- Developer: [ao-system, Inc.](https://appshunter.io/developer/1338624340)
- Category: Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.6 · 24 MB
- Languages: English
- Released: 2023-11-27
- Data updated: 2026-07-02
- User reviews in markdown: https://appshunter.io/ios/app/spirit-level-smart/id6473119678/reviews.md

## What is Spirit Level smart?

Spirit level.
Hold the device horizontally and press it against an object. Displays the angle of inclination.
Make minor adjustments in advance to accommodate the unique tilt caused by the device's protrusions and case.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |



## Version history (last 5 releases)

### 1.7.0 — 2026-06-27

Optimized processing to improve performance.

### 1.3.4 — 2026-05-28

Improved overall stability and performance.

### 1.3.0 — 2026-03-05

Added a button to the Settings page to open the App Store.

### 1.2.2 — 2025-11-30

Screenshots and description have been updated.

### 1.2.1 — 2025-11-30

The app's initial language at startup is now automatically matched to your device's system language.

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| --- | --- | --- | --- |
| [RGB Color Slider](https://appshunter.io/ios/app/rgb-color-slider/id1349345377) | — | $0.99 | Utilities |
| [osrap](https://appshunter.io/ios/app/osrap/id6504195651) | — | Free | Utilities |
| [氣泡水平儀-行動水平尺](https://appshunter.io/ios/app/id6475026719) | — | Free | Utilities |
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| [Norm Vision System](https://appshunter.io/ios/app/norm-vision-system/id6743525268) | — | Free | Utilities |
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## More apps by ao-system, Inc.

- [奥多摩ウォーキングマップ](https://appshunter.io/ios/app/id1453854955)
- [Coin toss. Two sides of a coin](https://appshunter.io/ios/app/coin-toss-two-sides-of-a-coin/id1559344863)
- [Wheel Lottery Machine](https://appshunter.io/ios/app/wheel-lottery-machine/id1559502572)
- [Bingo Machine](https://appshunter.io/ios/app/bingo-machine/id1561300296)
- [Roulette machine](https://appshunter.io/ios/app/roulette-machine/id1561612282)
- [Fortune slip](https://appshunter.io/ios/app/fortune-slip/id1561769646)

All apps by ao-system, Inc.: https://appshunter.io/developer/1338624340

## Related topics

[spirit level smart](https://appshunter.io/ios/topics/spirit-level-smart) · [horizontal systems](https://appshunter.io/ios/topics/horizontal-systems)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-02.*