# SinkSub vs Fly Boatman

The clearest difference is price: Fly Boatman at Free against SinkSub's $1.99. Fly Boatman also leads on update cadence (daily vs every 11 months). SinkSub's advantage is iOS requirement (8.0 vs 14.0). On ads, in-app purchases and device support there is nothing between them.

Fly Boatman is free to download; SinkSub costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SinkSub ships an update every 11 months, Fly Boatman daily. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | SinkSub | Fly Boatman |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[2.9 (56 ratings)](https://appshunter.io/ios/app/sinksub-deep-sweep/id298814566/reviews)** | — |
| Number of ratings | **56** | — |
| Positive reviews | 91.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Daily** |
| Monetization | Free | — |
| Size | 15 MB | 16 MB |
| Requires iOS | **8.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Wihlborg Entertainment](https://appshunter.io/developer/298814569) | [Andriy Stuzhuk](https://appshunter.io/developer/1489505788) |

## What reviewers say

### SinkSub

[App page](https://appshunter.io/ios/app/sinksub-deep-sweep/id298814566)

Control a mine sweeper, dropping depth charges to destroy submarines and avoid enemy weapons. Master intuitive controls to navigate action-packed levels and adapt your strategy against increasing threats. Can you clear all the mines and submarines?

**Highlights:** Drop depth charges, Destroy submarines, Dodge enemy weapons, Avoid float mines and missiles, 50 challenging levels, Three play modes, Earn navy ranks

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

**In-app purchases:** none

**What reviewers like**

- 🤩 Nostalgic classic game
- 👍 Addictive and fun gameplay
- 🕹️ Good controls (tilt/swipe)
- 💰 Great value for price
- ✨ Polished and well-done adaptation

**What reviewers complain about**

- 🐛 Freezing and crashing issues
- 🤔 Controls can be tricky sometimes
- 📉 Some find it too hard
- ⏳ Levels can be completed quickly
- 👆 Pause button placement issue

**Reported bugs**

- Game freezes constantly
- Cannot open application
- Game freezes after round 11
- Ship won't move after freezing

**Requested features**

- Add more levels
- More missiles/power-ups
- Option to play without high scores
- Unlockable weapons/upgrades
- Add a storyline


### Fly Boatman

[App page](https://appshunter.io/ios/app/fly-boatman/id6474739885)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SinkSub free?

SinkSub costs $1.99, with no in-app purchases.

### Is Fly Boatman free?

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

### Do SinkSub or Fly Boatman have ads?

Neither SinkSub nor Fly Boatman shows ads.

### Which is updated more often, SinkSub or Fly Boatman?

SinkSub ships an update every 11 months, and Fly Boatman daily. Most recently, SinkSub was updated on November 7, 2026 and Fly Boatman 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.*