# AutoSky+ vs DIY Units Conversion

The clearest difference is review sentiment: DIY Units Conversion at 100% against AutoSky+'s 40%. DIY Units Conversion also leads on rating (5.0 vs 3.9) and iOS requirement (12.0 vs 16.4). AutoSky+'s advantage is update cadence (every 2 months vs every 25 months) and ratings volume (98 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

DIY Units Conversion holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: AutoSky+ has 98 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 40% of AutoSky+'s written reviews are positive against 100% of DIY Units Conversion's.

AutoSky+ ships an update every 2 months, DIY Units Conversion every 25 months. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | AutoSky+ | DIY Units Conversion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (98 ratings)](https://appshunter.io/ios/app/autosky-plus/id6447604965/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/diy-units-conversion/id6475029001/reviews)** |
| Number of ratings | **98** | 1 |
| Positive reviews | 40.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 25 months |
| Monetization | Free | Free |
| Size | 95 MB | 31 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PROMASTER ELECTRONIC LLC](https://appshunter.io/developer/1681976026) | [DingXin Cheng](https://appshunter.io/developer/1645815345) |

## What reviewers say

### AutoSky+

[App page](https://appshunter.io/ios/app/autosky-plus/id6447604965)

Monitor and track assets with GPS, share your location with loved ones for safety, and access driving insights. Features an SOS button for emergencies and in-app chat for your group.

**Highlights:** GPS asset tracking, Location sharing with loved ones, Emergency SOS button, Driving insights, In-app chat with your group, Easy self-installation

**Features:** Apple Wallet

**In-app purchases:** none


### DIY Units Conversion

[App page](https://appshunter.io/ios/app/diy-units-conversion/id6475029001)

Create your own personalized unit conversion library by adding, removing, and reordering conversions. Tailor the app to your specific needs, focusing on the units you use most frequently.

**Highlights:** Customizable conversion library, Add, remove, and reorder units, Supports various scientific fields, User-defined conversion sets

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AutoSky+ free?

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

### Is DIY Units Conversion free?

DIY Units Conversion is free to download, with no in-app purchases.

### Which has better reviews, AutoSky+ or DIY Units Conversion?

DIY Units Conversion is rated higher. AutoSky+ averages 3.9 out of 5 from 98 ratings, while DIY Units Conversion averages 5.0 from 1 ratings.

### Do AutoSky+ or DIY Units Conversion have ads?

Neither AutoSky+ nor DIY Units Conversion shows ads.

### Which is updated more often, AutoSky+ or DIY Units Conversion?

AutoSky+ ships an update every 2 months, and DIY Units Conversion every 25 months. Most recently, AutoSky+ was updated on October 24, 2026 and DIY Units Conversion on October 10, 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.*