CycleChem vs TrueEarth
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CycleChem
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Whether you are a student or a young professional, CycleChem allows you to memorize chemical structures and names while having fun. CycleChem has three sections for you to explore: QuickLearn: Feel free to swipe through the list of heterocycles on the go, to quickly learn. You can choose to hide the structure or the name to test yourself. Games: Choose between no less than six games and challenge your knowledge. Change the number of questions and collect rewards. List: Scroll through the list of heterocyclic compounds and filter them according to multiple criteria.
TrueEarth
Explore Earth from space with interactive 3D globe visualizations using real NASA imagery. Inspect original source frames, download daily images, and view curated highlights. Designed for anyone curious about our planet's appearance from a million miles away.
- Interactive 3D Earth globe
- NASA DSCOVR EPIC imagery
- Date-based image downloads
- Inspect original NASA source frames
- Image export functionality
- In-app gallery of highlights
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Your planet. A new perspective. TrueEarth brings real NASA DSCOVR / EPIC imagery to an interactive globe. Explore cloud systems, oceans, and continents, then turn on country names and borders to connect the view from space with places on Earth. EXPLORE EARTH Rotate and zoom the globe, browse imagery by date, and view NASA source frames. SEE THE SCIENCE Weather satellite loops, historical science animations, the full EPIC archive, exports, Presentation Mode, and all ten multispectral EPIC bands are included for everyone. Explore ultraviolet, visible, oxygen absorption, and near-infrared observations with adjustable image controls. MORE WAYS TO CONNECT Discover the Home hub, weather views, satellite imagery, and Explore collection, with layouts for iPhone and iPad. TrueEarth is completely free, with no subscriptions and no ads. Imagery availability depends on the source and selected date. TrueEarth is independently developed and is not affiliated with or endorsed by NASA. Data sources and credits are available in the app. Privacy Policy: https://stroop14.github.io/trueearth-privacy/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: TrueEarth at none against CycleChem's 1. TrueEarth also leads on update cadence (every 3 weeks vs every 6 months) and device support (4 vs 2). 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
Both are free to download. CycleChem sells 1 one-off in-app purchase. TrueEarth asks for nothing beyond the download.
CycleChem ships an update every 6 months, TrueEarth every 3 weeks. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.
| Parameter | CycleChem | TrueEarth |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (6 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 6 — better |
| Update frequency | Every 6 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad, Mac, Apple TV — better |
| Requires iOS | 16.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 8 MB | 89 MB |
| Age rating | 4+ | 4+ |
| Developer | Eric ORDONNEAU | MICHAEL MURREY |
In-app purchases
CycleChem
- Unlock all games$0.99
TrueEarth
No in-app purchases
