# 3pLevel vs OpenAthena

The clearest difference is price: OpenAthena at Free against 3pLevel's $1.99. OpenAthena also leads on device support (3 vs 1) and iOS requirement (14.0 vs 16.0). On update cadence, ads and in-app purchases there is nothing between them.

OpenAthena is free to download; 3pLevel costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

3pLevel ships an update every 3 months, OpenAthena every 2 months. The most recent releases landed on October 11, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 3pLevel | OpenAthena |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/3plevel-inclinometer/id782377329/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 3 MB | 74 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Stooj srl](https://appshunter.io/developer/1693833265) | [Robert Krupczak](https://appshunter.io/developer/1686231817) |

## What reviewers say

### 3pLevel

[App page](https://appshunter.io/ios/app/3plevel-inclinometer/id782377329)

This utility app helps you monitor your vehicle's inclination with a clean and user-friendly interface. It offers customizable views, alarms, and calibration options for both off-road and urban use.

**Highlights:** Monitor rolling and pitching inclination, Check and reset maximum inclination, Choose between image and degree representation, Customize inclinometer views with custom images, Set visual and audio inclination alarms, Calibrate based on current inclination status, Works in portrait and landscape modes

**In-app purchases:** none


### OpenAthena

[App page](https://appshunter.io/ios/app/openathena/id6448763554)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 3pLevel free?

3pLevel costs $1.99, with no in-app purchases.

### Is OpenAthena free?

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

### Do 3pLevel or OpenAthena have ads?

Neither 3pLevel nor OpenAthena shows ads.

### Which is updated more often, 3pLevel or OpenAthena?

3pLevel ships an update every 3 months, and OpenAthena every 2 months. Most recently, 3pLevel was updated on October 11, 2026 and OpenAthena 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.*