# Crusty Sub vs Fly Trapper!

The clearest difference is price: Fly Trapper! at Free against Crusty Sub's $0.99. Fly Trapper! also leads on update cadence (fortnightly vs every 20 months) and ratings volume (8 vs 1). Crusty Sub's advantage is rating (5.0 vs 3.4) and ads (none vs shown). On in-app purchases and device support there is nothing between them.

Fly Trapper! is free to download; Crusty Sub costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Crusty Sub holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: Fly Trapper! has 8 ratings behind it against 1, so its average is the more settled of the two.

Crusty Sub ships an update every 20 months, Fly Trapper! fortnightly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Crusty Sub | Fly Trapper! |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/crusty-sub/id6448482458/reviews)** | [3.4 (8 ratings)](https://appshunter.io/ios/app/fly-trapper/id6502290019/reviews) |
| Number of ratings | 1 | **8** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 20 months | **Fortnightly** |
| Monetization | Paid | **Ad-supported** |
| Size | 16 MB | 112 MB |
| Requires iOS | 18.6 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Bernardo Perdomo](https://appshunter.io/developer/1684818777) | [Any Games OU](https://appshunter.io/developer/1513586172) |

## What reviewers say

### Crusty Sub

[App page](https://appshunter.io/ios/app/crusty-sub/id6448482458)

Navigate a damaged submarine through treacherous waters, avoiding mines and aggressive fish. Collect treasure coins to repair your vessel and boost your score in this undersea adventure.

**Highlights:** Navigate a damaged submarine, Avoid mines and aggressive fish, Collect treasure coins, Repair submarine, Increase score

**In-app purchases:** none


### Fly Trapper!

[App page](https://appshunter.io/ios/app/fly-trapper/id6502290019)

Evolve by consuming bugs and hazmats in a botanic lab. Beware of harmful insects and upgrade your abilities to consume them all. Navigate the lab and grow stronger.

**Highlights:** Eat bugs and hazmats to evolve, Conquer the botanic lab, Beware of harmful bugs, Upgrade to eat multiple bugs, Progressive evolution mechanics

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Crusty Sub free?

Crusty Sub costs $0.99, with no in-app purchases.

### Is Fly Trapper! free?

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

### Which has better reviews, Crusty Sub or Fly Trapper!?

Crusty Sub is rated higher. Crusty Sub averages 5.0 out of 5 from 1 ratings, while Fly Trapper! averages 3.4 from 8 ratings.

### Do Crusty Sub or Fly Trapper! have ads?

Fly Trapper! shows ads; Crusty Sub does not.

### Which is updated more often, Crusty Sub or Fly Trapper!?

Crusty Sub ships an update every 20 months, and Fly Trapper! fortnightly. Most recently, Crusty Sub was updated on November 3, 2026 and Fly Trapper! on November 4, 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.*