# ACEM Learning vs Cosmos

The clearest difference is update cadence: Cosmos at every 8 days against ACEM Learning's every 5 months. ACEM Learning's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ACEM Learning sells 8 one-off in-app purchases and Cosmos sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ACEM Learning ships an update every 5 months, Cosmos every 8 days. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | ACEM Learning | Cosmos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cosmos-space-exploration/id6781917079/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 8 days** |
| Monetization | — | Freemium |
| Size | 72 MB | 6 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Farid Premani](https://appshunter.io/developer/666837941) | [Md HASAN](https://appshunter.io/developer/1878266203) |

## What reviewers say

### ACEM Learning

[App page](https://appshunter.io/ios/app/acem-learning/id6480331533)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic | $1.00 | one-time |
| Single Day | $1.99 | one-time |
| Monthly | $4.99 | one-time |
| Bronze | $5.00 | one-time |
| Silver | $10.00 | one-time |
| Gold | $15.00 | one-time |
| Yearly | $29.99 | one-time |
| Lifetime | $300.00 | one-time |


### Cosmos

[App page](https://appshunter.io/ios/app/cosmos-space-exploration/id6781917079)

Explore the universe with interactive lessons and a multiplayer quiz game. Track spacecraft, discover constellations, and build rockets. Features adaptive difficulty and offline play for endless cosmic adventures.

**Highlights:** Illustrated space lessons, Live spacecraft tracker, Multiplayer quiz game, Rocket building simulator, Adaptive difficulty, Offline functionality

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cosmos Pro Monthly | $3.99 | per month |
| Cosmos Pro Yearly | $24.99 | per year |
| Cosmos Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is ACEM Learning free?

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

### Is Cosmos free?

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

### Do ACEM Learning or Cosmos have ads?

Neither ACEM Learning nor Cosmos shows ads.

### Which is updated more often, ACEM Learning or Cosmos?

ACEM Learning ships an update every 5 months, and Cosmos every 8 days. Most recently, ACEM Learning was updated on October 13, 2026 and Cosmos on October 6, 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.*