HTML Sandbox 2 vs SP33D
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
HTML Sandbox 2
Create custom lock and home screens using HTML and various data sources like weather, battery, and calendar events. Download themes from a large community and receive support.
- Custom lock screen design
- Custom home screen design
- Integrate weather data
- Integrate battery status
- Integrate calendar events
- Integrate RSS feeds
- Community theme downloads
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The HTML Sandbox app is a productivity tool for the HTML Sandbox shortcut. With the shortcut you can create your own lockscreen and/or homescreen using e.g. weather data, battery status, calendar events, RSS-feeds and much more. Download the HTML Sandbox shortcut from the app. Join our iNNOVATION community with 18k+ members and download your favourite themes. Get 24/7 support from iNNOVATION community.
SP33D
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SP33D: your ultimate speedometer companion. Real-time speed monitoring right on your phone, complete with a sleek head-up display. SP33D turns your iPhone or iPad into a clean, glanceable speedometer. One giant number, no clutter — whether you're driving, cycling, or running. KEY FEATURES 1. Head-Up Display (HUD): Place your phone near the windshield and SP33D mirrors the display so your speed reflects right in the glass — eyes on the road, always. 2. Real-Time Speed Tracking: Navigation-grade GPS precision delivers smooth, reliable readings the moment they happen. 3. MPH or KM/H: Switch units instantly, anytime. Your choice is remembered. 4. Distraction-Free Design: A single oversized readout on a pure black background — easy to read in daylight, easy on your eyes at night. The screen stays awake for your whole trip. 5. Works Everywhere: Car, motorcycle, bicycle, or on foot — SP33D adapts to however you move. Download SP33D and take control of your speed. Note: Speed is calculated from GPS and may differ slightly from your vehicle's speedometer.
Screenshots
Verdict
The clearest difference is price: HTML Sandbox 2 at Free against SP33D's $0.99. HTML Sandbox 2 also leads on update cadence (every 5 days vs every 15 months). On ads, in-app purchases, device support and iOS requirement 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
HTML Sandbox 2 is free to download; SP33D costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
HTML Sandbox 2 ships an update every 5 days, SP33D every 15 months. The most recent releases landed on October 21, 2026 and October 6, 2026 respectively.
| Parameter | HTML Sandbox 2 | SP33D |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.8 (51 ratings) — better | — |
| Positive reviews | 84.6% of reviews | — |
| Number of ratings | 51 — better | — |
| Update frequency | Every 5 days — better | Every 15 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 14 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Eric Roembach | Waldemar Osmala |
In-app purchases
HTML Sandbox 2
No in-app purchases
SP33D
No in-app purchases
