# Sharpen Knife Run vs Float Simulator

The clearest difference is in-app purchases: Float Simulator at none against Sharpen Knife Run's 3. Float Simulator also leads on ads (none vs shown) and rating (5.0 vs 4.6). Sharpen Knife Run's advantage is ratings volume (1.2K vs 1) and device support (3 vs 1). On price and update cadence there is nothing between them.

Both are free to download. Sharpen Knife Run sells 3 one-off in-app purchases. Float Simulator asks for nothing beyond the download.

Float Simulator holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Sharpen Knife Run has 1.2K ratings behind it against 1, so its average is the more settled of the two.

Sharpen Knife Run ships an update weekly, Float Simulator every 5 days. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Sharpen Knife Run | Float Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (1.2K ratings)](https://appshunter.io/ios/app/sharpen-knife-run/id6448621102/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/float-simulator/id6770820911/reviews)** |
| Number of ratings | **1.2K** | 1 |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 370 MB | 3 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [SUPERSONIC STUDIOS LTD](https://appshunter.io/developer/1499845738) | [Andrew Hsu](https://appshunter.io/developer/1896764374) |

## What reviewers say

### Sharpen Knife Run

[App page](https://appshunter.io/ios/app/sharpen-knife-run/id6448621102)

Control a knife, sharpening it as you go to cut through obstacles. Experience a fun and easy-to-operate gameplay experience.

**Highlights:** Sharpen knife, Cut objects, Obstacle course, Easy controls, Fun gameplay

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $2.99 | one-time |
| No Ads + 8,000 | $3.99 | one-time |
| No Ads + 20,000 + Knifves Pack | $5.99 | one-time |

**What reviewers like**

- 🤩 Great game
- 😌 Calms anxiety

**What reviewers complain about**

- 🤬 Too many ads
- 🤯 Game-breaking glitches
- 😞 Boring after a while
- 😠 Fake previews

**Reported bugs**

- Game crashes after update
- Booster and gate glitches
- Game won't load

**Requested features**

- More knives past level 20
- Increase difficulty as you progress


### Float Simulator

[App page](https://appshunter.io/ios/app/float-simulator/id6770820911)

Pilot a vertical profiling float to achieve mission success by hitting target depths and maintaining neutral buoyancy. This simulation is inspired by the MATE ROV underwater robotics competition.

**Highlights:** Manual float control, Target depth achievement, Neutral buoyancy adjustment, Four-phase missions, Inspired by MATE ROV competition

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sharpen Knife Run free?

Sharpen Knife Run is free to download, with in-app purchases available.

### Is Float Simulator free?

Float Simulator is free to download, with no in-app purchases.

### Which has better reviews, Sharpen Knife Run or Float Simulator?

Float Simulator is rated higher. Sharpen Knife Run averages 4.6 out of 5 from 1.2K ratings, while Float Simulator averages 5.0 from 1 ratings.

### Do Sharpen Knife Run or Float Simulator have ads?

Sharpen Knife Run shows ads; Float Simulator does not.

### Which is updated more often, Sharpen Knife Run or Float Simulator?

Sharpen Knife Run ships an update weekly, and Float Simulator every 5 days. Most recently, Sharpen Knife Run was updated on October 14, 2026 and Float Simulator on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*