# Rebirth Forge Idle vs Space Ducks 2

The clearest difference is review sentiment: Space Ducks 2 at 100% against Rebirth Forge Idle's 33%. Space Ducks 2 also leads on update cadence (every 3 days vs weekly). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Rebirth Forge Idle sells 9 one-off in-app purchases and Space Ducks 2 sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Rebirth Forge Idle ships an update weekly, Space Ducks 2 every 3 days. The most recent releases landed on October 14, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Rebirth Forge Idle | Space Ducks 2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/space-ducks-2/id6761355927/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 684 MB | 118 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YangJin Lee](https://appshunter.io/developer/1868279559) | [Specktronica LLC](https://appshunter.io/developer/1875097192) |

## What reviewers say

### Rebirth Forge Idle

[App page](https://appshunter.io/ios/app/rebirth-forge-idle/id6760809332)

An idle progression game where you forge rare swords through luck-based enhancement and reforging. Automate combat while you focus on acquiring, enhancing, and selling swords to achieve higher-level blades with unique traits.

**Highlights:** Luck-based enhancement loop, Random sword and trait collection, Enhancement event choices, Rebirth system for permanent upgrades, Automated spectator combat, Playful flavor text and quirky lines

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Diamonds | $0.99 | one-time |
| 1 Random Artifact | $0.99 | one-time |
| Daily Dungeon Progress Reset | $3.99 | one-time |
| Remove Ads | $6.99 | one-time |
| Rebirth Points x2 | $9.99 | one-time |
| Game Speed x3 | $9.99 | one-time |
| 10 Random Artifacts | $9.99 | one-time |
| 1300 Diamonds | $14.99 | one-time |
| 25 Random Artifacts | $22.99 | one-time |


### Space Ducks 2

[App page](https://appshunter.io/ios/app/space-ducks-2/id6761355927)

Build a vast space empire by growing a duck colony. Tap for resources, launch rockets, mine asteroids, and research technology at your own pace. Enjoy deep progression with stacking upgrades and prestige runs.

**Highlights:** Colony to empire expansion, Deep progression with upgrades, Tech tree research, Multiple visual themes, Offline earnings, Prestige runs

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DNA Vial - 1K | $4.99 | one-time |
| DNA Beaker - 5K | $9.99 | one-time |
| Stockpile License | $9.99 | one-time |
| DNA Lab - 25K | $19.99 | one-time |


## Frequently asked questions

### Is Rebirth Forge Idle free?

Rebirth Forge Idle is free to download, with in-app purchases available.

### Is Space Ducks 2 free?

Space Ducks 2 is free to download, with in-app purchases available.

### Do Rebirth Forge Idle or Space Ducks 2 have ads?

Both Rebirth Forge Idle and Space Ducks 2 show ads.

### Which is updated more often, Rebirth Forge Idle or Space Ducks 2?

Rebirth Forge Idle ships an update weekly, and Space Ducks 2 every 3 days. Most recently, Rebirth Forge Idle was updated on October 14, 2026 and Space Ducks 2 on October 22, 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.*