# Universe Website Builder vs DIY Units Conversion

The clearest difference is review sentiment: DIY Units Conversion at 100% against Universe Website Builder's 55%. DIY Units Conversion also leads on in-app purchases (none vs 10) and ads (none vs shown). Universe Website Builder's advantage is update cadence (fortnightly vs every 25 months) and ratings volume (9.8K vs 1). On price and device support there is nothing between them.

Both are free to download. Universe Website Builder sells 8 in-app purchases, starting at $2.99 per month. DIY Units Conversion asks for nothing beyond the download.

DIY Units Conversion holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Universe Website Builder has 9.8K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 55% of Universe Website Builder's written reviews are positive against 100% of DIY Units Conversion's.

Universe Website Builder ships an update fortnightly, DIY Units Conversion every 25 months. The most recent releases landed on November 9, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Universe Website Builder | DIY Units Conversion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (9.8K ratings)](https://appshunter.io/ios/app/universe-website-builder/id1211437633/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/diy-units-conversion/id6475029001/reviews)** |
| Number of ratings | **9.8K** | 1 |
| Positive reviews | 54.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 25 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 294 MB | 31 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Universe Exploration Company](https://appshunter.io/developer/1012451110) | [DingXin Cheng](https://appshunter.io/developer/1645815345) |

## What reviewers say

### Universe Website Builder

[App page](https://appshunter.io/ios/app/universe-website-builder/id1211437633)

Build a professional website or online store quickly and easily with a drag-and-drop interface. Publish to a custom domain and accept payments in minutes. Includes tools for design, commerce, audience management, and AI-powered content creation.

**Highlights:** Drag-and-drop Grid Editor, 100+ customizable templates, Integrated e-commerce tools, AI copy and image generation, Audience management and email marketing, Custom domain publishing

**Features:** Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| .COM Domain | $2.99 | per month |
| Universe Pro for 1 Site | $5.99 | per month |
| Universe Pro for 1 Site | $9.99 | per month |
| Universe Pro for 1 Site | $9.99 | per month |
| Universe Pro for 1 Site | $24.99 | per month |
| Universe Pro for 1 site | $24.99 | per month |
| Universe Pro  for 1 Site | $119.99 | per year |
| Universe Pro for 1 site | $199.99 | per year |

**What reviewers like**

- 🚀 Easy to use
- 🚀 Intuitive interface
- 🚀 Convenient mobile-first design
- 👍 Affordable pricing
- 👍 Responsive customer support

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- 🔒 Concerns over domain ownership
- 💰 Expensive pro features
- 🔒 Limited customization options
- 🔒 Restricted free version

**Reported bugs**

- Inability to save progress
- Glitches with image/video embedding
- Inconsistent performance across devices
- Issues with domain registration and transfer

**Requested features**

- Improved desktop responsiveness
- More design flexibility
- Ability to use own domain
- Expanded e-commerce features
- Better analytics and reporting


### 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 Universe Website Builder free?

Universe Website Builder is free to download, with in-app purchases available.

### Is DIY Units Conversion free?

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

### Which has better reviews, Universe Website Builder or DIY Units Conversion?

DIY Units Conversion is rated higher. Universe Website Builder averages 4.5 out of 5 from 9.8K ratings, while DIY Units Conversion averages 5.0 from 1 ratings.

### Do Universe Website Builder or DIY Units Conversion have ads?

Universe Website Builder shows ads; DIY Units Conversion does not.

### Which is updated more often, Universe Website Builder or DIY Units Conversion?

Universe Website Builder ships an update fortnightly, and DIY Units Conversion every 25 months. Most recently, Universe Website Builder was updated on November 9, 2026 and DIY Units Conversion on November 4, 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.*