# PTQ.App vs LineScale

The clearest difference is in-app purchases: PTQ.App at none against LineScale's 10. PTQ.App also leads on iOS requirement (9.0 vs 16.2). LineScale's advantage is update cadence (weekly vs every 10 months). On price, ads and device support there is nothing between them.

Both are free to download. LineScale sells 10 in-app purchases, starting at $2.99 per month. PTQ.App asks for nothing beyond the download.

PTQ.App ships an update every 10 months, LineScale weekly. The most recent releases landed on September 17, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | PTQ.App | LineScale |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Weekly** |
| Size | 71 MB | 35 MB |
| Requires iOS | **9.0** | 16.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [IML Electronic GmbH](https://appshunter.io/developer/1610517346) | [Andreas Riedrich](https://appshunter.io/developer/1501764107) |

## What reviewers say

### PTQ.App

[App page](https://appshunter.io/ios/app/ptqapp/id1521847792)

**Features:** macOS Compatibility

**In-app purchases:** none


### LineScale

[App page](https://appshunter.io/ios/app/linescale-3-app/id6760936731)

**Features:** Apple Watch app

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Plan – Monthly | $2.99 | per month |
| Multi-Log – Monthly | $2.99 | per month |
| WiFi – Monthly | $2.99 | per month |
| Professional – Monthly | $8.99 | per month |
| Pro Plan – Yearly | $11.99 | per year |
| Multi-Log – Yearly | $11.99 | per year |
| WiFi – Yearly | $11.99 | per year |
| Professional – Yearly | $24.99 | per year |
| WiFi – Lifetime | $22.99 | one-time |
| Professional – Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is PTQ.App free?

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

### Is LineScale free?

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

### Do PTQ.App or LineScale have ads?

Neither PTQ.App nor LineScale shows ads.

### Which is updated more often, PTQ.App or LineScale?

PTQ.App ships an update every 10 months, and LineScale weekly. Most recently, PTQ.App was updated on September 17, 2026 and LineScale on September 20, 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.*