# Space Survival.io vs StackFlow Game

The clearest difference is update cadence: StackFlow Game at daily against Space Survival.io's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Space Survival.io sells 10 one-off in-app purchases and StackFlow Game sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Space Survival.io ships an update fortnightly, StackFlow Game daily. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Space Survival.io | StackFlow Game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.4K ratings)](https://appshunter.io/ios/app/space-survivalio/id6447612474/reviews)** | — |
| Number of ratings | **1.4K** | — |
| Positive reviews | 92.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 220 MB | 33 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Superfunpro LIMITED](https://appshunter.io/developer/1615691666) | [Michael Nwanna](https://appshunter.io/developer/585670455) |

## What reviewers say

### Space Survival.io

[App page](https://appshunter.io/ios/app/space-survivalio/id6447612474)

Embark on a thrilling sci-fi adventure battling alien invaders across different planets. Combine unique skills to defeat monstrous creatures, survive treacherous dungeons, and rescue humanity. Upgrade your abilities and discover powerful treasures to become the ultimate conqueror.

**Highlights:** Alien invasion combat, Skill combination system, Planet exploration, Monster-infested dungeons, Survival craft features, Boss battles and loot

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| coins_0.99 | $0.99 | one-time |
| pack_1.99 | $1.99 | one-time |
| pack_2.99 | $2.99 | one-time |
| pack_4.99 | $4.99 | one-time |
| pack_6.99 | $6.99 | one-time |
| coins_9.99 | $9.99 | one-time |
| pack_9.99 | $9.99 | one-time |
| pack_12.99 | $12.99 | one-time |
| pack_19.99 | $19.99 | one-time |
| pack_29.99 | $29.99 | one-time |

**What reviewers like**

- 👍 Fun and addictive gameplay
- 🚀 Smooth performance
- 💡 Variety of characters and abilities
- 🎨 Pleasing graphics and visuals

**What reviewers complain about**

- 🐛 Occasional bugs and glitches
- 🔍 Difficulty progression can be challenging
- ⚠️ Monetization model could be improved

**Reported bugs**

- Character movement freezes
- Progress loss issues
- Skill button placement problems

**Requested features**

- Endless mode
- Improved weapon and gear progression
- Controller support


### StackFlow Game

[App page](https://appshunter.io/ios/app/stackflow-game/id6755439215)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StackFlow Game | $2.99 | one-time |


## Frequently asked questions

### Is Space Survival.io free?

Space Survival.io is free to download, with in-app purchases available.

### Is StackFlow Game free?

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

### Do Space Survival.io or StackFlow Game have ads?

Both Space Survival.io and StackFlow Game show ads.

### Which is updated more often, Space Survival.io or StackFlow Game?

Space Survival.io ships an update fortnightly, and StackFlow Game daily. Most recently, Space Survival.io was updated on November 7, 2026 and StackFlow Game on October 30, 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.*