# Spin Thing vs Html Preview

The clearest difference is price: Spin Thing at Free against Html Preview's $2.99. Spin Thing also leads on iOS requirement (12.0 vs 17.0). Html Preview's advantage is update cadence (every 6 days vs every 91 months) and chart position (#170 vs unranked). On ads, in-app purchases and device support there is nothing between them.

Spin Thing is free to download; Html Preview costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Spin Thing ships an update every 91 months, Html Preview every 6 days. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Spin Thing | Html Preview |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | — | **[4.7 (11 ratings)](https://appshunter.io/ios/app/html-preview-web-file-viewer/id6760443436/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | — | 87.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 91 months | **Every 6 days** |
| Monetization | — | Paid |
| Best chart rank | — | **#170** |
| Size | 1 MB | 1 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [opcode](https://appshunter.io/developer/303682352) | [CyberGame Limited](https://appshunter.io/developer/1778824442) |

## What reviewers say

### Spin Thing

[App page](https://appshunter.io/ios/app/spin-thing/id857300823)

**Features:** macOS Compatibility

**In-app purchases:** none


### Html Preview

[App page](https://appshunter.io/ios/app/html-preview-web-file-viewer/id6760443436)

**Currently charting:** #170 Top Paid · Utilities (US App Store)

Quickly view any HTML file on your iPhone or iPad. Share files from any app or browse your device to instantly render web pages, AI reports, or email attachments. Enjoy a private, ad-free experience with a history of your viewed files.

**Highlights:** Share Extension for instant previews, Zero-delay instant rendering, History with source app tracking, Support for multiple encodings, Dark Mode support, File picker for local browsing, Privacy-focused, no ads or analytics

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

**In-app purchases:** none


## Frequently asked questions

### Is Spin Thing free?

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

### Is Html Preview free?

Html Preview costs $2.99, with no in-app purchases.

### Do Spin Thing or Html Preview have ads?

Neither Spin Thing nor Html Preview shows ads.

### Which is updated more often, Spin Thing or Html Preview?

Spin Thing ships an update every 91 months, and Html Preview every 6 days. Most recently, Spin Thing was updated on October 5, 2026 and Html Preview on October 7, 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.*