# Walter Safety vs Level Tool・Inclinometer

The clearest difference is in-app purchases: Walter Safety at none against Level Tool・Inclinometer's 1. Walter Safety also leads on ads (none vs shown) and iOS requirement (7.0 vs 15.1). Level Tool・Inclinometer's advantage is update cadence (every 2 months vs every 5 months). On price and device support there is nothing between them.

Both are free to download. Level Tool・Inclinometer sells 1 one-off in-app purchase. Walter Safety asks for nothing beyond the download.

Walter Safety ships an update every 5 months, Level Tool・Inclinometer every 2 months. The most recent releases landed on October 29, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Walter Safety | Level Tool・Inclinometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/level-toolinclinometer/id6782629923/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 46 MB | 101 MB |
| Requires iOS | **7.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [J. Walter Compagnie Lt�](https://appshunter.io/developer/567652446) | [ZeroPlay Ltd.](https://appshunter.io/developer/1500119722) |

## What reviewers say

### Walter Safety

[App page](https://appshunter.io/ios/app/walter-safety/id567652443)

This app provides metal workers and welders with essential tools and information for their daily tasks. It offers charts for optimal settings on grinders, drill bits, and cutters, along with a grinding angle guide and a unit converter.

**Highlights:** Drill bit speed chart, Annular cutter chart, Abrasive speed chart, Grinding angle guide, Unit converter, Built-in level tool, Flashlight functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### Level Tool・Inclinometer

[App page](https://appshunter.io/ios/app/level-toolinclinometer/id6782629923)

This app transforms your smartphone into a precise spirit level and digital angle finder. It offers instant feedback with visual and haptic cues for perfect alignment, and allows you to save readings with their error margins. Useful for DIY projects, hanging pictures, and furniture placement.

**Highlights:** Precise spirit level, Digital angle finder, Instant visual and haptic feedback, Save readings with error margins, Relative zero setting, Audible level cue

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $14.99 | one-time |


## Frequently asked questions

### Is Walter Safety free?

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

### Is Level Tool・Inclinometer free?

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

### Do Walter Safety or Level Tool・Inclinometer have ads?

Level Tool・Inclinometer shows ads; Walter Safety does not.

### Which is updated more often, Walter Safety or Level Tool・Inclinometer?

Walter Safety ships an update every 5 months, and Level Tool・Inclinometer every 2 months. Most recently, Walter Safety was updated on October 29, 2026 and Level Tool・Inclinometer on October 7, 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.*