# DIY Units Conversion vs NWS Mobile

The clearest difference is rating: DIY Units Conversion at 5.0 against NWS Mobile's 4.3. DIY Units Conversion also leads on review sentiment (100% vs 60%) and iOS requirement (12.0 vs 15.6). NWS Mobile's advantage is update cadence (every 2 weeks vs every 25 months) and ratings volume (87 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 4.3. That said, the two scores are not equally well evidenced: NWS Mobile has 87 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of DIY Units Conversion's written reviews are positive against 60% of NWS Mobile's.

DIY Units Conversion ships an update every 25 months, NWS Mobile every 2 weeks. The most recent releases landed on October 10, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | DIY Units Conversion | NWS Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/diy-units-conversion/id6475029001/reviews)** | [4.3 (87 ratings)](https://appshunter.io/ios/app/nws-mobile/id6756777435/reviews) |
| Number of ratings | 1 | **87** |
| Positive reviews | **100.0% of reviews** | 60.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 31 MB | 90 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [DingXin Cheng](https://appshunter.io/developer/1645815345) | [New World Solutions Pty Ltd](https://appshunter.io/developer/1509390111) |

## What reviewers say

### 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


### NWS Mobile

[App page](https://appshunter.io/ios/app/nws-mobile/id6756777435)

This app assists Jehovah's Witnesses in organizing congregation activities. It facilitates scheduling meeting parts, public talks, and various duties. The app also includes territory management and data sharing capabilities with other compatible applications.

**Highlights:** Schedule meeting parts, Assign public talks, Manage congregation duties, Territory management, Data sharing with NW Publisher app, View publisher reports

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DIY Units Conversion free?

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

### Is NWS Mobile free?

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

### Which has better reviews, DIY Units Conversion or NWS Mobile?

DIY Units Conversion is rated higher. DIY Units Conversion averages 5.0 out of 5 from 1 ratings, while NWS Mobile averages 4.3 from 87 ratings.

### Do DIY Units Conversion or NWS Mobile have ads?

Neither DIY Units Conversion nor NWS Mobile shows ads.

### Which is updated more often, DIY Units Conversion or NWS Mobile?

DIY Units Conversion ships an update every 25 months, and NWS Mobile every 2 weeks. Most recently, DIY Units Conversion was updated on October 10, 2026 and NWS Mobile on October 14, 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.*