# Doomsday Runner vs Shut Up Fly

The clearest difference is in-app purchases: Shut Up Fly at none against Doomsday Runner's 8. Shut Up Fly also leads on update cadence (every 2 days vs every 4 days). Doomsday Runner's advantage is ads (none vs shown) and iOS requirement (15.0 vs 18.0). On price and device support there is nothing between them.

Both are free to download. Doomsday Runner sells 8 one-off in-app purchases. Shut Up Fly asks for nothing beyond the download.

Doomsday Runner ships an update every 4 days, Shut Up Fly every 2 days. The most recent releases landed on October 17, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Doomsday Runner | Shut Up Fly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/shut-up-fly/id6797986930/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 4 days | **Every 2 days** |
| Monetization | — | Ad-supported |
| Size | 529 MB | 659 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Hoi Hei Chow](https://appshunter.io/developer/1842295955) | [tim hudson](https://appshunter.io/developer/1788785691) |

## What reviewers say

### Doomsday Runner

[App page](https://appshunter.io/ios/app/doomsday-runner/id6760188149)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 gems | $0.99 | one-time |
| 500 coins | $0.99 | one-time |
| 12 gems | $1.99 | one-time |
| 1200 coins | $1.99 | one-time |
| 80 gems | $9.99 | one-time |
| 8000 coins | $9.99 | one-time |
| 180 gems | $19.99 | one-time |
| 18000 coins | $19.99 | one-time |


### Shut Up Fly

[App page](https://appshunter.io/ios/app/shut-up-fly/id6797986930)

Engage in a fast-paced arcade battle against swarms of flies and maggots. Clear 51 levels by squishing insects, unlock a variety of unique weapons, and enjoy fly-themed puzzles. Play offline or compete for high scores online.

**Highlights:** Fast-paced arcade gameplay, 51 levels to clear, Unlockable weapons, Fly-themed puzzles, Offline campaign mode, Haptic feedback and orchestral soundtrack

**In-app purchases:** none


## Frequently asked questions

### Is Doomsday Runner free?

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

### Is Shut Up Fly free?

Shut Up Fly is free to download, with no in-app purchases.

### Do Doomsday Runner or Shut Up Fly have ads?

Shut Up Fly shows ads; Doomsday Runner does not.

### Which is updated more often, Doomsday Runner or Shut Up Fly?

Doomsday Runner ships an update every 4 days, and Shut Up Fly every 2 days. Most recently, Doomsday Runner was updated on October 17, 2026 and Shut Up Fly on October 31, 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.*
