Comparison

Spin Thing vs Html Preview

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Spin Thing

Features
Read full description

Round and round and round it goes, where it stops, nobody knows... Need an easy way to pick someone to buy the coffee? Need to choose someone to take out the trash? Need to play 'spin the bottle', but don't have an empty bottle to hand? Just use this app! If you can't decide who should get to do that great thing, or that not-so-great thing, Spin Thing gives you an easy way to pick a person. Choose how many people to pick from and spin the arrow...

About

Html Preview

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
Read full description

Open any HTML file on your iPhone in seconds. Html Preview is the simplest way to view HTML files shared from any app. Whether it's a report from ChatGPT, a page saved from Safari, or an attachment from WeChat — just tap Share and preview it instantly. KEY FEATURES • Share Extension — Open HTML files directly from any app using the iOS Share Sheet • Instant Rendering — Pre-warmed WebView engine loads content with zero delay • History — Recent files with source app tracking (knows if it came from WeChat, ChatGPT, Mail, etc.) • Multiple Encodings — Supports UTF-8, Windows-1252, and ISO Latin-1 • Dark Mode — Beautiful warm UI that adapts to your system appearance • File Picker — Browse and open HTML files from the Files app • Privacy First — No ads, no analytics, no data collection. Everything stays on your device. PERFECT FOR • Viewing HTML reports generated by AI assistants (ChatGPT, Claude, Gemini) • Previewing web pages shared via messaging apps (WeChat, Telegram, WhatsApp) • Opening HTML email attachments • Checking HTML files from cloud storage (iCloud, Google Drive, Dropbox) • Developers previewing HTML mockups on mobile Html Preview supports .html, .htm, and .xhtml files.

Screenshots

Spin Thing2 screens
Html Preview3 screens

Verdict

The call

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). On ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
Spin Thing versus Html Preview: the parameters behind the verdict, then further details
ParameterSpin ThingHtml Preview
PriceFree — better$2.99
Rating—4.7 (11 ratings) — better
Positive reviews—87.5% of reviews
Number of ratings—11 — better
Update frequencyEvery 91 monthsEvery 6 days — better
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.0
Further details — not scored
Size1 MB1 MB
Age rating4+4+
DeveloperopcodeCyberGame Limited

In-app purchases

None

Spin Thing

No in-app purchases

None

Html Preview

No in-app purchases

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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