# Spirit Level+ Utility vs OptiMOON

The clearest difference is in-app purchases: OptiMOON at none against Spirit Level+ Utility's 1. OptiMOON also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 6 months). Spirit Level+ Utility's advantage is iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Spirit Level+ Utility sells 1 one-off in-app purchase. OptiMOON asks for nothing beyond the download.

Spirit Level+ Utility ships an update every 6 months, OptiMOON every 3 weeks. The most recent releases landed on October 4, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Spirit Level+ Utility | OptiMOON |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/spirit-level-plus-utility/id1022753070/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 45 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kyungjin Lee](https://appshunter.io/developer/572393811) | [Porsche Slovenija d.o.o](https://appshunter.io/developer/1446542306) |

## What reviewers say

### Spirit Level+ Utility

[App page](https://appshunter.io/ios/app/spirit-level-plus-utility/id1022753070)

Measure levels and angles accurately using your smartphone. Ideal for furniture installation, DIY projects, and RVs. Features include vertical/horizontal measurement, screen lock, and customizable sensor settings.

**Highlights:** Vertical/Horizontal measurement, Easy reset function, Screen lock for precise checking, Customizable sensor sensitivity, Adjustable refresh rate

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### OptiMOON

[App page](https://appshunter.io/ios/app/optimoon/id6736896444)

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

**In-app purchases:** none


## Frequently asked questions

### Is Spirit Level+ Utility free?

Spirit Level+ Utility is free to download, with in-app purchases available.

### Is OptiMOON free?

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

### Do Spirit Level+ Utility or OptiMOON have ads?

Spirit Level+ Utility shows ads; OptiMOON does not.

### Which is updated more often, Spirit Level+ Utility or OptiMOON?

Spirit Level+ Utility ships an update every 6 months, and OptiMOON every 3 weeks. Most recently, Spirit Level+ Utility was updated on October 4, 2026 and OptiMOON on October 16, 2026.

---

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