# Backpack Legends Adventure RPG vs Cosmius

Backpack Legends Adventure RPG and Cosmius are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Backpack Legends Adventure RPG sells 20 one-off in-app purchases and Cosmius sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Backpack Legends Adventure RPG ships an update weekly, Cosmius every 4 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Backpack Legends Adventure RPG | Cosmius |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (59 ratings)](https://appshunter.io/ios/app/backpack-legends-adventure-rpg/id6755376569/reviews)** | — |
| Number of ratings | **59** | — |
| Positive reviews | 61.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 553 MB | 98 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 12+ |
| Developer | [ONDI TECHNOLOGY JSC](https://appshunter.io/developer/1648266464) | [Umit Sancakli](https://appshunter.io/developer/1657372739) |

## What reviewers say

### Backpack Legends Adventure RPG

[App page](https://appshunter.io/ios/app/backpack-legends-adventure-rpg/id6755376569)

Manage your inventory strategically to survive and battle through a vast open world. Organize loot in your backpack, build your town, and choose from various hero classes to collect epic gear and defeat monsters.

**Highlights:** Strategic backpack system, Vast open world exploration, Town building and idle rewards, Multiple hero classes, Epic gear collection, One-handed controls

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

**In-app purchases (20)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Welcome Pack 1 | $0.99 | one-time |
| Pile of Gems | $0.99 | one-time |
| Welcome Pack 2 | $4.99 | one-time |
| LVL 5 Pack | $4.99 | one-time |
| Starter Pack | $4.99 | one-time |
| Heap of Gems | $4.99 | one-time |
| Ironclad Pack | $9.99 | one-time |
| LVL 10 Pack | $9.99 | one-time |
| Bag of Gems | $9.99 | one-time |
| Battle Pass Premium | $9.99 | one-time |
| Welcome Pack 3 | $14.99 | one-time |
| Luna Pack | $14.99 | one-time |
| Region 2 Pack | $19.99 | one-time |
| LVL 15 Pack | $19.99 | one-time |
| Barrels of Gems | $19.99 | one-time |
| Battle Pass Premium Plus | $19.99 | one-time |
| Chest of Gems | $29.99 | one-time |
| LVL 40 Pack | $49.99 | one-time |
| LVL 20 Pack | $49.99 | one-time |
| LVL 50 Pack | $99.99 | one-time |


### Cosmius

[App page](https://appshunter.io/ios/app/cosmius/id6770520700)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cosmium Spark | $0.99 | one-time |
| Cosmium Core | $0.99 | one-time |
| Remove Ads | $0.99 | one-time |
| Permanent 2X Score | $0.99 | one-time |
| Cosmium Vault | $2.99 | one-time |
| Cosmium Singularity | $5.99 | one-time |


## Frequently asked questions

### Is Backpack Legends Adventure RPG free?

Backpack Legends Adventure RPG is free to download, with in-app purchases available.

### Is Cosmius free?

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

### Do Backpack Legends Adventure RPG or Cosmius have ads?

Both Backpack Legends Adventure RPG and Cosmius show ads.

### Which is updated more often, Backpack Legends Adventure RPG or Cosmius?

Backpack Legends Adventure RPG ships an update weekly, and Cosmius every 4 days. Most recently, Backpack Legends Adventure RPG was updated on October 28, 2026 and Cosmius on October 25, 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.*