# Perfec! vs Kerflux

The clearest difference is in-app purchases: Perfec! at none against Kerflux's 4. Kerflux's advantage is ratings volume (323 vs 5) and update cadence (weekly vs monthly). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Kerflux sells 4 one-off in-app purchases. Perfec! asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Perfec! against 4.8 for Kerflux. That said, the two scores are not equally well evidenced: Kerflux has 323 ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 92% of Perfec!'s written reviews are positive against 96% of Kerflux's.

Perfec! ships an update monthly, Kerflux weekly. The most recent releases landed on June 1, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Perfec! | Kerflux |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (5 ratings)](https://appshunter.io/ios/app/perfec/id1086477032/reviews) | [4.8 (323 ratings)](https://appshunter.io/ios/app/kerflux/id1127933116/reviews) |
| Number of ratings | 5 | **323** |
| Positive reviews | 92.0% of reviews | **96.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 15 MB | 57 MB |
| Requires iOS | 10.0 | **6.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chase Hartsell](https://appshunter.io/developer/1752575893) | [Punk Labs LLC](https://appshunter.io/developer/1011541202) |

## What reviewers say

### Perfec!

[App page](https://appshunter.io/ios/app/perfec/id1086477032)

Test your rapid tapping abilities in this retro-style endless game. Challenge yourself and friends to achieve the highest score on procedurally generated levels. It's a simple yet addictive experience designed to push your reflexes.

**Highlights:** Endless generating levels, Retro style simplistic artwork, Best score tracker, Quick tapping skills test, Addictive gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### Kerflux

[App page](https://appshunter.io/ios/app/kerflux/id1127933116)

Engage your mind with a unique wave-based puzzle game. Slide and match intricate wave formations in a minimalist design. Enjoy retro music and unlock achievements as you progress through increasingly challenging levels.

**Highlights:** Original wave puzzle mechanics, Increasingly challenging levels, Retro style music, Achievements, Pay what you want pricing

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bronze Supporter | $0.99 | one-time |
| Silver Supporter | $1.99 | one-time |
| Gold Supporter | $3.99 | one-time |
| Platinum Supporter | $7.99 | one-time |

**What reviewers like**

- 👍 Simple to understand
- 👍 Visual challenge
- 👍 Awesome game with no ads
- 👍 Great puzzle experience
- 👍 Beautiful shapes

**What reviewers complain about**

- 🐛 Difficulty plateaus, endgame repetitive
- 🐛 Audio cues could be improved
- 🐛 Autoassist sensitivity can be too high

**Reported bugs**

- Music not working for some users

**Requested features**

- Ability to choose number of waves
- Add more than 4 waves for increased challenge
- Implement customizable autoassist sensitivity
- Add level select/replay option
- Introduce new mechanics at higher levels


## Frequently asked questions

### Is Perfec! free?

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

### Is Kerflux free?

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

### Which has better reviews, Perfec! or Kerflux?

Perfec! and Kerflux are both rated 4.8 out of 5 on the App Store, from 5 and 323 ratings respectively.

### Do Perfec! or Kerflux have ads?

Neither Perfec! nor Kerflux shows ads.

### Which is updated more often, Perfec! or Kerflux?

Perfec! ships an update monthly, and Kerflux weekly. Most recently, Perfec! was updated on June 1, 2026 and Kerflux on September 17, 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.*