# HumanBodyAtlas vs OrbitLog

The clearest difference is in-app purchases: HumanBodyAtlas at none against OrbitLog's 1. HumanBodyAtlas also leads on ads (none vs shown) and update cadence (daily vs every 6 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. OrbitLog sells 1 one-off in-app purchase. HumanBodyAtlas asks for nothing beyond the download.

HumanBodyAtlas ships an update daily, OrbitLog every 6 days. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | HumanBodyAtlas | OrbitLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/orbitlog-space-tracker-hub/id6791340139/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 6 days |
| Monetization | — | Free with in-app purchases |
| Size | 243 MB | 11 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [博 彭](https://appshunter.io/developer/1293268076) | [Benjamin Clary](https://appshunter.io/developer/1397995407) |

## What reviewers say

### HumanBodyAtlas

[App page](https://appshunter.io/ios/app/humanbodyatlas/id6791063795)

**Features:** Vision Pro support

**In-app purchases:** none


### OrbitLog

[App page](https://appshunter.io/ios/app/orbitlog-space-tracker-hub/id6791340139)

Transform your device into a space command center. Track satellites, view upcoming rocket launches, monitor astronauts in orbit, and observe asteroids and meteor showers, all localized to your location.

**Highlights:** Live satellite tracking, Global launch calendar, Live countdowns and streams, Astronaut roster, Near-Earth object tracker, Meteor shower calendar

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads Forever | $2.99 | one-time |


## Frequently asked questions

### Is HumanBodyAtlas free?

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

### Is OrbitLog free?

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

### Do HumanBodyAtlas or OrbitLog have ads?

OrbitLog shows ads; HumanBodyAtlas does not.

### Which is updated more often, HumanBodyAtlas or OrbitLog?

HumanBodyAtlas ships an update daily, and OrbitLog every 6 days. Most recently, HumanBodyAtlas was updated on October 8, 2026 and OrbitLog on October 24, 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.*