# Level Tool vs 纳故eHR

The clearest difference is in-app purchases: 纳故eHR at none against Level Tool's 5. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Level Tool sells 5 in-app purchases, starting at $3.99 per 7 days. 纳故eHR asks for nothing beyond the download.

Level Tool ships an update monthly, 纳故eHR every 2 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Level Tool | 纳故eHR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (35 ratings)](https://appshunter.io/ios/app/level-tool-angle-finder-app/id1672836817/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | 36.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 26 MB | 37 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Andrei Nemtsou](https://appshunter.io/developer/1612416096) | [向明 杭](https://appshunter.io/developer/1234441751) |

## What reviewers say

### Level Tool

[App page](https://appshunter.io/ios/app/level-tool-angle-finder-app/id1672836817)

This utility app provides accurate surface measurements using your device's sensors. It offers a virtual level indicator for easy flatness assessment, making it ideal for professionals and DIYers alike. Get precise readings without traditional tools.

**Highlights:** Accurate surface readings, Virtual level indicator, Intuitive interface, Real-time measurements, Gyroscope and accelerometer utilization

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $3.99 | per 7 days |
| Welcome One-Time Offer | $4.99 | per month |
| Premium Monthly | $7.99 | per month |
| Premium Annual | $9.99 | per year |
| Premium Annual | $19.99 | per year |


### 纳故eHR

[App page](https://appshunter.io/ios/app/ehr/id6736674319)

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

**In-app purchases:** none


## Frequently asked questions

### Is Level Tool free?

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

### Is 纳故eHR free?

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

### Do Level Tool or 纳故eHR have ads?

Both Level Tool and 纳故eHR show ads.

### Which is updated more often, Level Tool or 纳故eHR?

Level Tool ships an update monthly, and 纳故eHR every 2 months. Most recently, Level Tool was updated on November 3, 2026 and 纳故eHR on October 30, 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.*