# Correct Side vs Planet Formula

The clearest difference is in-app purchases: Correct Side at none against Planet Formula's 3. Correct Side also leads on ads (none vs shown) and iOS requirement (8.0 vs 13.0). Planet Formula's advantage is review sentiment (100% vs 92%) and ratings volume (3 vs 1). On price, rating, update cadence and device support there is nothing between them.

Both are free to download. Planet Formula sells 3 one-off in-app purchases. Correct Side asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Correct Side against 5.0 for Planet Formula. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews are what separate them: 92% of Correct Side's written reviews are positive against 100% of Planet Formula's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 10, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Correct Side | Planet Formula |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/correct-side/id1071707119/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/planet-formula/id1563592534/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 91.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 19 MB | 20 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Furkan Sevgili](https://appshunter.io/developer/993719893) | [x2line.com LLC](https://appshunter.io/developer/425135293) |

## What reviewers say

### Correct Side

[App page](https://appshunter.io/ios/app/correct-side/id1071707119)

An addictive arcade game designed to challenge your brain and reflexes. Players must quickly tap left or right to match the direction of a moving circle. It's a fast-paced test of speed and accuracy.

**Highlights:** Brain and reflex stimulation, Fast-paced gameplay, Simple tap controls, Addictive arcade experience

**Features:** macOS Compatibility

**In-app purchases:** none


### Planet Formula

[App page](https://appshunter.io/ios/app/planet-formula/id1563592534)

Embark on a celestial match-3 adventure across the Solar System. Solve 125 unique puzzles by earning points, breaking ice, or collecting coins within a limited number of moves. Utilize powerful planet combinations and strategic moves to overcome challenges.

**Highlights:** 125 unique match-3 levels, Special power-up planets, Strategic move mechanics, Ice tile and wall breaking, VoiceOver accessibility, T-chain and L-chain combinations

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Extra 4 Moves | $1.99 | one-time |
| Extra 8 Moves | $2.99 | one-time |
| Extra 15 Moves | $3.99 | one-time |


## Frequently asked questions

### Is Correct Side free?

Correct Side is free to download, with no in-app purchases.

### Is Planet Formula free?

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

### Which has better reviews, Correct Side or Planet Formula?

Correct Side and Planet Formula are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do Correct Side or Planet Formula have ads?

Planet Formula shows ads; Correct Side does not.

### Which is updated more often, Correct Side or Planet Formula?

Correct Side ships an update every 2 months, and Planet Formula every 2 months. Most recently, Correct Side was updated on October 10, 2026 and Planet Formula 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.*