# Unstable! vs DualSide

The clearest difference is rating: DualSide at 5.0 against Unstable!'s 3.8. DualSide also leads on update cadence (every 3 weeks vs every 4 months). Unstable!'s advantage is in-app purchases (none vs 1) and ratings volume (5 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. DualSide sells 1 one-off in-app purchase. Unstable! asks for nothing beyond the download.

DualSide holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Unstable! has 5 ratings behind it against 1, so its average is the more settled of the two.

Unstable! ships an update every 4 months, DualSide every 3 weeks. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Unstable! | DualSide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (5 ratings)](https://appshunter.io/ios/app/unstable/id1282444122/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dualside/id6759185432/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 153 MB | 65 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Leonardo Amora](https://appshunter.io/developer/690988469) | [Vikas Pawar](https://appshunter.io/developer/1588876306) |

## What reviewers say

### Unstable!

[App page](https://appshunter.io/ios/app/unstable/id1282444122)

Control a bar to defend falling balls from a central core. Collect power-ups to enhance your gameplay and see how long you can survive. Enjoy endless, casual fun with new levels and music.

**Highlights:** Defend falling balls, Move bar with touch/drag, Collect power-ups, Endless gameplay, New level, new song, Casual mechanics

**Features:** Vision Pro support

**In-app purchases:** none


### DualSide

[App page](https://appshunter.io/ios/app/dualside/id6759185432)

A fast-paced reaction game focused on timing and precision. Flip your paddle to match colors and keep the rally going. Compete with friends and climb global leaderboards in this skill-based, minimalist experience.

**Highlights:** One-tap paddle flipping, Endless rally gameplay, Global leaderboard competition, Head-to-head challenges, Seamless iCloud sync, Minimalist design

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Unstable! free?

Unstable! is free to download, with no in-app purchases.

### Is DualSide free?

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

### Which has better reviews, Unstable! or DualSide?

DualSide is rated higher. Unstable! averages 3.8 out of 5 from 5 ratings, while DualSide averages 5.0 from 1 ratings.

### Do Unstable! or DualSide have ads?

Both Unstable! and DualSide show ads.

### Which is updated more often, Unstable! or DualSide?

Unstable! ships an update every 4 months, and DualSide every 3 weeks. Most recently, Unstable! was updated on October 7, 2026 and DualSide on October 10, 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.*