# IML Tree Inspection vs LineScale

The clearest difference is in-app purchases: IML Tree Inspection at none against LineScale's 10. IML Tree Inspection also leads on iOS requirement (12.2 vs 16.2). LineScale's advantage is update cadence (weekly vs every 2 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. IML Tree Inspection asks for nothing beyond the download.

IML Tree Inspection ships an update every 2 months, LineScale weekly. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | IML Tree Inspection | LineScale |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 229 MB | 35 MB |
| Requires iOS | **12.2** | 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

### IML Tree Inspection

[App page](https://appshunter.io/ios/app/iml-tree-inspection/id6478397228)

**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 IML Tree Inspection free?

IML Tree Inspection is free to download, with no in-app purchases.

### Is LineScale free?

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

### Do IML Tree Inspection or LineScale have ads?

Neither IML Tree Inspection nor LineScale shows ads.

### Which is updated more often, IML Tree Inspection or LineScale?

IML Tree Inspection ships an update every 2 months, and LineScale weekly. Most recently, IML Tree Inspection was updated on October 9, 2026 and LineScale 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.*