# Vatupassi vs Trueline

The clearest difference is ads: Vatupassi at none against Trueline's shown. Vatupassi also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). Trueline's advantage is update cadence (daily vs every 2 days). On price and in-app purchases there is nothing between them.

Both are free to download. Vatupassi sells 1 in-app purchase, starting at $0.99 per year and Trueline sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Vatupassi ships an update every 2 days, Trueline daily. The most recent releases landed on October 20, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Vatupassi | Trueline |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 days | **Daily** |
| Size | 23 MB | 12 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Petri Tynkkynen](https://appshunter.io/developer/6796634385) | [Edge Analytics s.r.o.](https://appshunter.io/developer/1867465595) |

## What reviewers say

### Vatupassi

[App page](https://appshunter.io/ios/app/vatupassi-bubblelevel/id6797196817)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vatupassi Pro | $0.99 | per year |


### Trueline

[App page](https://appshunter.io/ios/app/trueline-level-tool/id6800032249)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trueline Pro | $6.99 | one-time |


## Frequently asked questions

### Is Vatupassi free?

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

### Is Trueline free?

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

### Do Vatupassi or Trueline have ads?

Trueline shows ads; Vatupassi does not.

### Which is updated more often, Vatupassi or Trueline?

Vatupassi ships an update every 2 days, and Trueline daily. Most recently, Vatupassi was updated on October 20, 2026 and Trueline on October 3, 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.*