Comparison

HTML Sandbox³ vs Cartogram

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

Head to head
About

HTML Sandbox³

Design custom lock and home screens with dynamic shortcuts for weather, battery, calendar, and RSS feeds. Join a large community for themes and support.

Highlights
  • Custom lock screen design
  • Custom home screen design
  • Dynamic shortcut integration
  • Weather shortcuts
  • Battery status shortcuts
  • Calendar event shortcuts
  • RSS feed shortcuts
Read full description

The HTML Sandbox app allows you to create custom lockscreens and homescreens using shortcuts app incl. weather, battery status, calendar events, RSS feeds and more. Download of complimentary shortcut can be found in app. With over 18,000 members, join the supportive HTML Sandbox community to find new themes and get 24/7 assistance. Please note this app is designed for iPhone only.

About

Cartogram

Features
Read full description

Turn your photo library into a beautiful map wallpaper. Cartogram reads the GPS locations from your photos and renders a heatmap overlay on a stylish vector map, showing where you've been right on your iPhone. Download Cartogram for free and start with two hand-crafted themes: Cyberpunk and Midnight. Unlock Cartogram Pro with a one-time purchase to get all color themes. Features: - Generates wallpapers from your geotagged photo locations - Free tier includes two themes: Cyberpunk and Midnight - Cartogram Pro unlocks Ember, Ghost, and Moss - Auto-detects your current location or set any place manually - Save generated wallpapers directly to Photos - Privacy-first: all processing happens on-device, no data leaves your phone - No account required, no tracking, no ads iOS: Full-screen preview with pan, zoom, and rotation. Map data from OpenStreetMap contributors, rendered with OpenFreeMap.

Screenshots

HTML Sandbox³4 screens
Cartogram3 screens

Verdict

The call

The clearest difference is in-app purchases: HTML Sandbox³ at none against Cartogram's 1. HTML Sandbox³ also leads on update cadence (daily vs every 2 weeks). Cartogram's advantage is device support (3 vs 1). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Cartogram sells 1 one-off in-app purchase. HTML Sandbox³ asks for nothing beyond the download.

UpkeepUpdate frequency

HTML Sandbox³ ships an update daily, Cartogram every 2 weeks. The most recent releases landed on September 11, 2026 and September 8, 2026 respectively.

Scorecard3 real differences · 6 level
HTML Sandbox³ versus Cartogram: the parameters behind the verdict, then further details
ParameterHTML Sandbox³Cartogram
PriceFreeFree
Rating4.0 (4 ratings) — better—
Number of ratings4 — better—
Update frequencyDaily — betterEvery 2 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhoneiPhone, iPad, Mac — better
Requires iOS17.016.0 — better
Further details — not scored
Size13 MB10 MB
Age rating4+4+
DeveloperEric RoembachCENTAUR LABS OU

In-app purchases

None

HTML Sandbox³

No in-app purchases

1 purchases

Cartogram

One-time1
  • Cartogram Pro$3.99

Questions

Is HTML Sandbox³ free?
HTML Sandbox³ is free to download, with no in-app purchases.
Is Cartogram free?
Cartogram is free to download, with in-app purchases available.
Do HTML Sandbox³ or Cartogram have ads?
Neither HTML Sandbox³ nor Cartogram shows ads.
Which is updated more often, HTML Sandbox³ or Cartogram?
HTML Sandbox³ ships an update daily, and Cartogram every 2 weeks. Most recently, HTML Sandbox³ was updated on September 11, 2026 and Cartogram on September 8, 2026.

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