# Swordigo vs Mellow Submarine

The clearest difference is in-app purchases: Mellow Submarine at none against Swordigo's 3. Mellow Submarine also leads on ads (none vs shown) and update cadence (every 5 weeks vs every 5 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Swordigo sells 3 one-off in-app purchases. Mellow Submarine asks for nothing beyond the download.

Swordigo ships an update every 5 months, Mellow Submarine every 5 weeks. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Swordigo | Mellow Submarine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (8K ratings)](https://appshunter.io/ios/app/swordigo/id499125840/reviews)** | — |
| Number of ratings | **8K** | — |
| Positive reviews | 94.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 128 MB | 64 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Touch Foo](https://appshunter.io/developer/331891508) | [Bertac Severcan](https://appshunter.io/developer/1558347800) |

## What reviewers say

### Swordigo

[App page](https://appshunter.io/ios/app/swordigo/id499125840)

Embark on an epic adventure in a magical realm filled with challenges. Explore dungeons, battle monsters, and gain experience to level up your character. Discover powerful weapons, items, and spells to aid you in your quest.

**Highlights:** Explore a magical realm, Gain experience and level up, Find powerful weapons and spells, Dynamic lighting system, Optimized touch controls, Game Center achievements, iCloud save syncing

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Advertisement | $1.99 | one-time |
| Guiding Compass | $2.99 | one-time |
| Coin Doubler | $2.99 | one-time |

**What reviewers like**

- 🎮 Engaging gameplay
- 🎨 Charming graphics
- 🕹️ Smooth controls
- 🕰️ Nostalgic retro feel
- 🏆 Challenging but rewarding

**What reviewers complain about**

- 🕹️ Occasional control issues
- 🔁 Repetitive boss battles
- 🕰️ Short game length
- 📢 Intrusive ads at times

**Reported bugs**

- Glitches with key items
- Crashes on certain devices

**Requested features**

- Swordigo 2 or sequel
- More levels and content
- Difficulty settings
- Expanded story and lore


### Mellow Submarine

[App page](https://appshunter.io/ios/app/mellow-submarine/id6746043366)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Swordigo free?

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

### Is Mellow Submarine free?

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

### Do Swordigo or Mellow Submarine have ads?

Swordigo shows ads; Mellow Submarine does not.

### Which is updated more often, Swordigo or Mellow Submarine?

Swordigo ships an update every 5 months, and Mellow Submarine every 5 weeks. Most recently, Swordigo was updated on October 31, 2026 and Mellow Submarine on October 28, 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.*