# LiquidMath vs Submarine

The clearest difference is in-app purchases: LiquidMath at none against Submarine's 4. LiquidMath also leads on ratings volume (7 vs 2). Submarine's advantage is update cadence (every 4 days vs every 3 months). On price, rating, ads and monetization model there is nothing between them.

Both are free to download. Submarine sells 4 one-off in-app purchases. LiquidMath asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for LiquidMath against 5.0 for Submarine. Both are backed by a comparable volume of ratings — 7 and 2 respectively.

LiquidMath ships an update every 3 months, Submarine every 4 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | LiquidMath | Submarine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/liquidmath-math-in-motion/id1633144492/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/submarine-reef-pilot/id6789714045/reviews) |
| Number of ratings | **7** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 0 MB | 19 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Soltan Adel](https://appshunter.io/developer/1633144494) | [MooreDev Technologies LLC](https://appshunter.io/developer/6785042969) |

## What reviewers say

### LiquidMath

[App page](https://appshunter.io/ios/app/liquidmath-math-in-motion/id1633144492)

Engage with quick math exercises through a fluid, colorful interface. Enjoy fully offline gameplay with no ads or in-app purchases. Experience math in a new dimension on Apple Vision Pro.

**Highlights:** Liquid Swipe Interface, Expressive Color Palettes, Bite-Sized Math Exercises, Fully Offline Gameplay, Ad-Free Experience, Apple Vision Pro Support

**In-app purchases:** none


### Submarine

[App page](https://appshunter.io/ios/app/submarine-reef-pilot/id6789714045)

Pilot a submarine through vibrant underwater worlds, dodging hazards like torpedoes and mines. Collect coins to unlock new submarines and power-ups. Compete globally on leaderboards for the longest survival time.

**Highlights:** Touch and drag steering, Three lives per run, Collect coins and treasure, Unlock 12 unique submarines, Power-ups like shields and magnets, Global leaderboards, Offline play

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1,000 Coins | $0.99 | one-time |
| 5,000 Coins | $2.99 | one-time |
| 15,000 Coins | $4.99 | one-time |
| 50,000 Coins | $9.99 | one-time |


## Frequently asked questions

### Is LiquidMath free?

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

### Is Submarine free?

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

### Which has better reviews, LiquidMath or Submarine?

LiquidMath and Submarine are both rated 5.0 out of 5 on the App Store, from 7 and 2 ratings respectively.

### Do LiquidMath or Submarine have ads?

Neither LiquidMath nor Submarine shows ads.

### Which is updated more often, LiquidMath or Submarine?

LiquidMath ships an update every 3 months, and Submarine every 4 days. Most recently, LiquidMath was updated on November 3, 2026 and Submarine on October 31, 2026.

---

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