# Agga Pop vs Knife Challenge

The clearest difference is ads: Knife Challenge at none against Agga Pop's shown. Knife Challenge also leads on iOS requirement (9.0 vs 13.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Agga Pop ships an update every 27 months, Knife Challenge every 18 months. The most recent releases landed on October 26, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Agga Pop | Knife Challenge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 27 months | **Every 18 months** |
| Size | 45 MB | 26 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Galatic Droids](https://appshunter.io/developer/806182439) | [payal patel](https://appshunter.io/developer/1145207522) |

## What reviewers say

### Agga Pop

[App page](https://appshunter.io/ios/app/agga-pop/id824226239)

**Features:** macOS Compatibility

**In-app purchases:** none


### Knife Challenge

[App page](https://appshunter.io/ios/app/knife-challenge/id1444541189)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Agga Pop free?

Agga Pop is free to download, with no in-app purchases.

### Is Knife Challenge free?

Knife Challenge is free to download, with no in-app purchases.

### Do Agga Pop or Knife Challenge have ads?

Agga Pop shows ads; Knife Challenge does not.

### Which is updated more often, Agga Pop or Knife Challenge?

Agga Pop ships an update every 27 months, and Knife Challenge every 18 months. Most recently, Agga Pop was updated on October 26, 2026 and Knife Challenge on November 2, 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.*