# TurboTool® vs DS

The clearest difference is update cadence: TurboTool® at every 3 months against DS's every 28 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TurboTool® ships an update every 3 months, DS every 28 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | TurboTool® | DS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (17 ratings)](https://appshunter.io/ios/app/turbotool/id1006539543/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 28 months |
| Monetization | Free | — |
| Size | 158 MB | 34 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Danfoss A/S](https://appshunter.io/developer/423984644) | [JB Industries, Inc.](https://appshunter.io/developer/977734857) |

## What reviewers say

### TurboTool®

[App page](https://appshunter.io/ios/app/turbotool/id1006539543)

This app assists service technicians in diagnosing and troubleshooting Danfoss Turbocor® compressors in the field. It helps identify symptoms, explore potential causes, and provides recommended next steps, along with quick reference charts and service literature.

**Highlights:** Compressor component diagnosis, Symptom identification and cause analysis, Recommended troubleshooting steps, Access to quick reference charts, Service literature and manuals, Spare parts identification via scanning, Service videos for component repair

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

**In-app purchases:** none


### DS

[App page](https://appshunter.io/ios/app/ds-250/id1509336200)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TurboTool® free?

TurboTool® is free to download, with no in-app purchases.

### Is DS free?

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

### Do TurboTool® or DS have ads?

Neither TurboTool® nor DS shows ads.

### Which is updated more often, TurboTool® or DS?

TurboTool® ships an update every 3 months, and DS every 28 months. Most recently, TurboTool® was updated on October 24, 2026 and DS on October 25, 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.*