Comparison

Track Sun vs Cartogram

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

Head to head

Your photos, visualized.

Free

🔧 Utilities

No ratingsView app →

About

Track Sun

Features

Read full description

The sun tracking can be easily achieved by connection to the Skywatcher mount.

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

Track Sun3 screens

Cartogram3 screens

Verdict

The call

The clearest difference is in-app purchases: Track Sun at none against Cartogram's 1. Track Sun also leads on iOS requirement (14.0 vs 16.0). Cartogram's advantage is update cadence (every 2 weeks vs every 5 months). On price, ads 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

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

UpkeepUpdate frequency

Track Sun ships an update every 5 months, Cartogram every 2 weeks. The most recent releases landed on September 30, 2026 and September 24, 2026 respectively.

Scorecard3 real differences · 3 level

Track Sun versus Cartogram: the parameters behind the verdict, then further details
Parameter	Track Sun	Cartogram
Price	Free	Free
Update frequency	Every 5 months	Every 2 weeks — better
Ads	No	No
In-app purchases	No — better	Yes
Devices	iPhone, iPod	iPhone, iPad, Mac — better
Requires iOS	14.0 — better	16.0
Further details — not scored
Size	43 MB	10 MB
Age rating	4+	4+
Developer	SynUe Tech. Co., Ltd	CENTAUR LABS OU

In-app purchases

None

Track Sun

No in-app purchases

1 purchases

Cartogram

One-time1

Cartogram Pro$3.99

Questions

Is Track Sun free?

Track Sun is free to download, with no in-app purchases.

Is Cartogram free?

Cartogram is free to download, with in-app purchases available.

Do Track Sun or Cartogram have ads?

Neither Track Sun nor Cartogram shows ads.

Which is updated more often, Track Sun or Cartogram?

Track Sun ships an update every 5 months, and Cartogram every 2 weeks. Most recently, Track Sun was updated on September 30, 2026 and Cartogram on September 24, 2026.