# Sonar Islands vs Glory Frontline

The clearest difference is monetization model: Glory Frontline at free with in-app purchases against Sonar Islands's subscription. Glory Frontline also leads on rating (3.8 vs 3.5). Sonar Islands's advantage is iOS requirement (12.5 vs 15.6). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Sonar Islands sells 5 in-app purchases, starting at $2.99 per month and Glory Frontline sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Glory Frontline holds the better App Store score, 3.8 against 3.5. Both are backed by a comparable volume of ratings — 83 and 48 respectively. Written reviews point the same way: 60% of Sonar Islands's written reviews are positive against 66% of Glory Frontline's.

Sonar Islands ships an update every 2 months, Glory Frontline every 3 months. The most recent releases landed on October 22, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Sonar Islands | Glory Frontline |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (83 ratings)](https://appshunter.io/ios/app/sonar-islands/id1554817644/reviews) | **[3.8 (48 ratings)](https://appshunter.io/ios/app/glory-frontline/id6745921732/reviews)** |
| Number of ratings | **83** | 48 |
| Positive reviews | 60.1% of reviews | **66.2% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 288 MB | 443 MB |
| Requires iOS | **12.5** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Hansjoerg Mikesch](https://appshunter.io/developer/1422421759) | [北京心智互动科技有限公司](https://appshunter.io/developer/1305792801) |

## What reviewers say

### Sonar Islands

[App page](https://appshunter.io/ios/app/sonar-islands/id1554817644)

Embark on an audio-driven multiplayer adventure across 14 unique islands. Build your empire, explore diverse environments from ancient temples to volcanic landscapes, and engage in various challenges. Full game access requires a subscription.

**Highlights:** Multiplayer online gameplay, Audio-driven events, Empire building, Island exploration and development, Diverse island themes, Tutorial and story modes

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access - monthly | $2.99 | per month |
| Full Access - yearly | $29.49 | per year |
| 100 Diamonds | $0.99 | one-time |
| 500 Diamonds | $3.99 | one-time |
| 1000 Diamonds | $5.99 | one-time |

**What reviewers like**

- 🚀 Immersive audio experience
- 👍 Accessible for blind users
- 🎨 Fantastic sound design
- ⭐ Engaging gameplay
- 🕹️ Intuitive controls

**What reviewers complain about**

- 💰 Subscription model required to access full game
- 🔇 Repetitive voice acting
- 🕰️ Slow progression without paying
- 🤖 Unresponsive controls at times
- 🔍 Lack of clear in-game instructions

**Reported bugs**

- Crashes and freezes on certain devices
- Compass and navigation issues with iOS 16
- Incorrect Morse code in tutorial
- Inconsistent audio cues

**Requested features**

- Additional free islands to explore
- Option to purchase game outright instead of subscription
- More varied event types and challenges
- Ability to customize islands
- Support for multiple languages


### Glory Frontline

[App page](https://appshunter.io/ios/app/glory-frontline/id6745921732)

Engage in futuristic warfare with advanced command dashboards and holographic combat simulations. Battle through challenging deep-sea invasions and treacherous fortresses, collecting divine relics and competing for glory. Recruit allies and earn rewards in this evolving battlefield.

**Highlights:** Holographic combat sandtables, Deep-sea invasion battles, Cataclysm Fortress survival mode, Divine Relics treasure hunting, Ally recruitment system, First recharge diamond reset

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 60 Diamonds. | $0.99 | one-time |
| Weekly Card | $0.99 | one-time |
| 300 Diamonds | $3.99 | one-time |
| Monthly Card | $3.99 | one-time |
| 680 Diamonds | $9.99 | one-time |
| 1280 Diamonds | $19.99 | one-time |
| 3280 Diamonds | $49.99 | one-time |
| 6480 Diamonds | $99.99 | one-time |

**What reviewers like**

- 🚀 Enjoyable game
- 💡 Good ideas

**What reviewers complain about**

- 🤕 Finger fatigue from constant shooting
- 🎮 Difficult controls, especially for turning and using items
- 🗣️ Cluttered global chat with no translation

**Reported bugs**

- Issues with monthly/weekly pass activation and rewards
- Weapon switching problems and inability to progress past certain levels
- Login and account creation problems

**Requested features**

- External keyboard or controller support
- Separate language channels or real-time translation for global chat
- Adjustable difficulty levels


## Frequently asked questions

### Is Sonar Islands free?

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

### Is Glory Frontline free?

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

### Which has better reviews, Sonar Islands or Glory Frontline?

Glory Frontline is rated higher. Sonar Islands averages 3.5 out of 5 from 83 ratings, while Glory Frontline averages 3.8 from 48 ratings.

### Do Sonar Islands or Glory Frontline have ads?

Neither Sonar Islands nor Glory Frontline shows ads.

### Which is updated more often, Sonar Islands or Glory Frontline?

Sonar Islands ships an update every 2 months, and Glory Frontline every 3 months. Most recently, Sonar Islands was updated on October 22, 2026 and Glory Frontline on October 21, 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.*