# ZenLevel vs Model Scale Calculator

ZenLevel and Model Scale Calculator are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | ZenLevel | Model Scale Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/zenlevel/id6762086055/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Monetization | Free | — |
| Size | 4 MB | 4 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [YANMIN WANG](https://appshunter.io/developer/1867998387) | [Harbor Apps LLC](https://appshunter.io/developer/1519633346) |

## What reviewers say

### ZenLevel

[App page](https://appshunter.io/ios/app/zenlevel/id6762086055)

Transform your device into a precision inclinometer with a calm, deliberate feel. Offers multiple measurement modes for surface, plumb, and calibration, with a history log for saved readings. Designed with a focus on privacy and a realistic tool aesthetic.

**Highlights:** Surface measurement mode, Plumb measurement mode, Calibration and zeroing, Measurement history log, Landscape precision mode, Haptic feedback, Privacy-focused design

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

**In-app purchases:** none


### Model Scale Calculator

[App page](https://appshunter.io/ios/app/model-scale-calculator/id6797369448)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZenLevel free?

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

### Is Model Scale Calculator free?

Model Scale Calculator is free to download, with no in-app purchases.

### Do ZenLevel or Model Scale Calculator have ads?

Neither ZenLevel nor Model Scale Calculator shows ads.

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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.*