# Bubble Level & Inclinometer vs TrueLevel

The clearest difference is in-app purchases: Bubble Level & Inclinometer at none against TrueLevel's 1. Bubble Level & Inclinometer also leads on iOS requirement (14.0 vs 17.6). TrueLevel's advantage is update cadence (monthly vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. TrueLevel sells 1 one-off in-app purchase. Bubble Level & Inclinometer asks for nothing beyond the download.

Bubble Level & Inclinometer ships an update every 4 months, TrueLevel monthly. The most recent releases landed on October 6, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Bubble Level & Inclinometer | TrueLevel |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Size | 22 MB | 3 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [lapnito.cz s.r.o.](https://appshunter.io/developer/1577358577) | [Daniil Mukashev](https://appshunter.io/developer/1833839105) |

## What reviewers say

### Bubble Level & Inclinometer

[App page](https://appshunter.io/ios/app/bubble-level-and-inclinometer/id6760186006)

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

**In-app purchases:** none


### TrueLevel

[App page](https://appshunter.io/ios/app/truelevel-bubble-level-tool/id6760949015)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TrueLevel Pro | $3.99 | one-time |


## Frequently asked questions

### Is Bubble Level & Inclinometer free?

Bubble Level & Inclinometer is free to download, with no in-app purchases.

### Is TrueLevel free?

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

### Do Bubble Level & Inclinometer or TrueLevel have ads?

Neither Bubble Level & Inclinometer nor TrueLevel shows ads.

### Which is updated more often, Bubble Level & Inclinometer or TrueLevel?

Bubble Level & Inclinometer ships an update every 4 months, and TrueLevel monthly. Most recently, Bubble Level & Inclinometer was updated on October 6, 2026 and TrueLevel on September 27, 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.*