# SIide Up vs Space Frontier

The clearest difference is review sentiment: SIide Up at 100% against Space Frontier's 47%. SIide Up also leads on rating (5.0 vs 4.3) and ads (none vs shown). Space Frontier's advantage is ratings volume (14K vs 1). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. SIide Up sells 1 one-off in-app purchase and Space Frontier sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

SIide Up holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Space Frontier has 14K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of SIide Up's written reviews are positive against 47% of Space Frontier's.

SIide Up ships an update every 4 days, Space Frontier every 2 months. The most recent releases landed on September 9, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | SIide Up | Space Frontier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/siide-up/id1185262079/reviews)** | [4.3 (14K ratings)](https://appshunter.io/ios/app/space-frontier/id1252963998/reviews) |
| Number of ratings | 1 | **14K** |
| Positive reviews | **100.0% of reviews** | 46.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 67 MB | 231 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Atakan Altay](https://appshunter.io/developer/1123087786) | [Ketchapp](https://appshunter.io/developer/528065807) |

## What reviewers say

### SIide Up

[App page](https://appshunter.io/ios/app/siide-up/id1185262079)

Test your reflexes in this fast-paced arcade game. Slide bubbles upwards, bouncing the green ones while avoiding the black ones. Aim for the highest score with simple, engaging graphics.

**Highlights:** Slide bubbles upwards, Bounce green bubbles, Avoid black bubbles, High score challenge, Simple graphics

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $0.99 | one-time |


### Space Frontier

[App page](https://appshunter.io/ios/app/space-frontier/id1252963998)

Launch rockets to orbit and beyond to colonize Mars in this addictive physics game. Earn in-game currency to upgrade your rockets and compete for high scores. Easy to learn, but challenging to master, offering endless replayability.

**Highlights:** One-button gameplay, Fun, fast physics, Easy to learn, hard to master, Colonize Mars, Earn in-game currency, Buy new rocket parts, Multiple rocket styles

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |

**What reviewers like**

- 🚀 Good for getting into rocket science
- 👍 Fun and interesting game
- 🚀 Excellent game
- 🚀 Great game

**What reviewers complain about**

- 🐛 Game just slows down
- 🐛 Crashes
- 🤖 Ad takeover
- 🤖 Too many ads
- 🐛 Doesn't save

**Reported bugs**

- Ads pop up during launch causing rocket to explode
- Ads don't load properly
- Game freezes and lags
- Mute button doesn't work
- Coins from ads not working correctly

**Requested features**

- Add more planets
- Add more content
- Add more customization
- Add more levels
- Add more upgrades


## Frequently asked questions

### Is SIide Up free?

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

### Is Space Frontier free?

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

### Which has better reviews, SIide Up or Space Frontier?

SIide Up is rated higher. SIide Up averages 5.0 out of 5 from 1 ratings, while Space Frontier averages 4.3 from 14K ratings.

### Do SIide Up or Space Frontier have ads?

Space Frontier shows ads; SIide Up does not.

### Which is updated more often, SIide Up or Space Frontier?

SIide Up ships an update every 4 days, and Space Frontier every 2 months. Most recently, SIide Up was updated on September 9, 2026 and Space Frontier on September 14, 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.*