# Summon and Defend vs Space Ducks 2

The clearest difference is rating: Space Ducks 2 at 5.0 against Summon and Defend's 4.3. Space Ducks 2 also leads on review sentiment (100% vs 67%). Summon and Defend's advantage is in-app purchases (none vs 4) and ratings volume (3 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Space Ducks 2 sells 4 one-off in-app purchases. Summon and Defend asks for nothing beyond the download.

Space Ducks 2 holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 67% of Summon and Defend's written reviews are positive against 100% of Space Ducks 2's.

Summon and Defend ships an update every 5 days, Space Ducks 2 every 3 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Summon and Defend | Space Ducks 2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (3 ratings)](https://appshunter.io/ios/app/summon-and-defend/id6739178752/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/space-ducks-2/id6761355927/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 days | **Every 3 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 132 MB | 118 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Quiet Cat Technology Co., Ltd.](https://appshunter.io/developer/1780267035) | [Specktronica LLC](https://appshunter.io/developer/1875097192) |

## What reviewers say

### Summon and Defend

[App page](https://appshunter.io/ios/app/summon-and-defend/id6739178752)

Command tiny defenders to gather resources, build towers, and fend off waves of airborne enemies. Merge and upgrade towers to unleash advanced skills and strategically defend your floating fortress against relentless challenges.

**Highlights:** Command tiny army, Gather resources, Merge and upgrade towers, Defend sky island, Resource management, Tactical decisions

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Summon and Defend free?

Summon and Defend is free to download, with no in-app purchases.

### Is Space Ducks 2 free?

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

### Which has better reviews, Summon and Defend or Space Ducks 2?

Space Ducks 2 is rated higher. Summon and Defend averages 4.3 out of 5 from 3 ratings, while Space Ducks 2 averages 5.0 from 1 ratings.

### Do Summon and Defend or Space Ducks 2 have ads?

Both Summon and Defend and Space Ducks 2 show ads.

### Which is updated more often, Summon and Defend or Space Ducks 2?

Summon and Defend ships an update every 5 days, and Space Ducks 2 every 3 days. Most recently, Summon and Defend was updated on November 4, 2026 and Space Ducks 2 on October 31, 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.*