# Giotto ScanTool vs deiterLine

The clearest difference is rating: deiterLine at 5.0 against Giotto ScanTool's 3.3. deiterLine also leads on update cadence (every 6 weeks vs every 3 months). Giotto ScanTool's advantage is in-app purchases (none vs 1) and review sentiment (31% vs 0%). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. deiterLine sells 1 in-app purchase, starting at $9.99 per month. Giotto ScanTool asks for nothing beyond the download.

deiterLine holds the better App Store score, 5.0 against 3.3. That said, the two scores are not equally well evidenced: Giotto ScanTool has 44 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 31% of Giotto ScanTool's written reviews are positive against 0% of deiterLine's, so the app with the better star average is not the one people write more warmly about.

Giotto ScanTool ships an update every 3 months, deiterLine every 6 weeks. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Giotto ScanTool | deiterLine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (44 ratings)](https://appshunter.io/ios/app/giotto-scantool/id1294503417/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/deiterline/id1519717518/reviews)** |
| Number of ratings | **44** | 2 |
| Positive reviews | **30.8% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 912 MB | 19 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AutoEnginuity](https://appshunter.io/developer/1294503416) | [DEITERLINE LLC](https://appshunter.io/developer/1519717520) |

## What reviewers say

### Giotto ScanTool

[App page](https://appshunter.io/ios/app/giotto-scantool/id1294503417)

This professional-grade automotive diagnostic tool provides extensive vehicle coverage and deep system access. It helps repair shops and fleet managers quickly service a wide range of vehicles with features like live data, bi-directional controls, and DTC reporting.

**Highlights:** Professional-grade enhanced coverage, Access to ABS, airbag, powertrain, and more, Live data and bi-directional controls, Adaptive resets and learns, DTC report output (XML/PDF), Graphing with pan and zoom, WIFI connectivity

**Features:** macOS Compatibility

**In-app purchases:** none


### deiterLine

[App page](https://appshunter.io/ios/app/deiterline/id1519717518)

This app helps innovators, visionaries, and creatives clarify their purpose and take actionable steps towards their goals. It offers guided discovery of 'Your Why' and tools to manage 'Callings' and 'Initiatives' with a minimalist, meditation-like interface. Your personal data is securely stored in the cloud and the app expands with your progress.

**Highlights:** Clarify 'Your Why', Manage 'Callings', Advance 'Initiatives', Progress tracking, Cloud data storage, Intuitive minimalist design, In-app tutorials

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $9.99 | per month |


## Frequently asked questions

### Is Giotto ScanTool free?

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

### Is deiterLine free?

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

### Which has better reviews, Giotto ScanTool or deiterLine?

deiterLine is rated higher. Giotto ScanTool averages 3.3 out of 5 from 44 ratings, while deiterLine averages 5.0 from 2 ratings.

### Do Giotto ScanTool or deiterLine have ads?

Neither Giotto ScanTool nor deiterLine shows ads.

### Which is updated more often, Giotto ScanTool or deiterLine?

Giotto ScanTool ships an update every 3 months, and deiterLine every 6 weeks. Most recently, Giotto ScanTool was updated on October 24, 2026 and deiterLine on October 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.*