# CycleChem vs TrueEarth

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.

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.

## The numbers

| Metric | CycleChem | TrueEarth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/trueearth/id6788968141/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 8 MB | 89 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [Eric ORDONNEAU](https://appshunter.io/developer/1465804393) | [MICHAEL MURREY](https://appshunter.io/developer/6788968143) |

## What reviewers say

### CycleChem

[App page](https://appshunter.io/ios/app/cyclechem/id1465804394)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all games | $0.99 | one-time |


### TrueEarth

[App page](https://appshunter.io/ios/app/trueearth/id6788968141)

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.

**Highlights:** 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

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CycleChem free?

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

### Is TrueEarth free?

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

### Do CycleChem or TrueEarth have ads?

Neither CycleChem nor TrueEarth shows ads.

### Which is updated more often, CycleChem or TrueEarth?

CycleChem ships an update every 6 months, and TrueEarth every 3 weeks. Most recently, CycleChem was updated on October 7, 2026 and TrueEarth on October 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*