# Bug Challenge vs Oily Cat

The clearest difference is in-app purchases: Oily Cat at none against Bug Challenge's 5. Oily Cat also leads on update cadence (every 3 days vs every 6 months). Bug Challenge's advantage is ads (none vs shown) and iOS requirement (11.0 vs 13.0). On price and device support there is nothing between them.

Both are free to download. Bug Challenge sells 5 one-off in-app purchases. Oily Cat asks for nothing beyond the download.

Bug Challenge ships an update every 6 months, Oily Cat every 3 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | Bug Challenge | Oily Cat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/bug-challenge-unlock-insect/id1618211205/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 123 MB | 117 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Ali Hassan](https://appshunter.io/developer/1610540041) | [Jose Varela](https://appshunter.io/developer/336500035) |

## What reviewers say

### Bug Challenge

[App page](https://appshunter.io/ios/app/bug-challenge-unlock-insect/id1618211205)

Engage your mind with this free puzzle game featuring addictive gameplay and a variety of challenges. Solve intricate puzzles by unlocking new insects as you progress, testing your strategic thinking and problem-solving skills against the clock.

**Highlights:** Addictive puzzle gameplay, Variety of insect puzzles, Timed challenges, Brain teasers, Drag and drop mechanics, Progressive difficulty

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy 1000 In-Game Coins | $0.99 | one-time |
| Buy 3000 In-Game Coins | $1.99 | one-time |
| Remove All Ads | $2.99 | one-time |
| Buy 7000 In-Game Coins | $2.99 | one-time |
| Buy 15000 In-Game Coins | $3.99 | one-time |


### Oily Cat

[App page](https://appshunter.io/ios/app/oily-cat/id6465697795)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bug Challenge free?

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

### Is Oily Cat free?

Oily Cat is free to download, with no in-app purchases.

### Do Bug Challenge or Oily Cat have ads?

Oily Cat shows ads; Bug Challenge does not.

### Which is updated more often, Bug Challenge or Oily Cat?

Bug Challenge ships an update every 6 months, and Oily Cat every 3 days. Most recently, Bug Challenge was updated on November 3, 2026 and Oily Cat on November 3, 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.*