# Invisible Dragons vs SoundEcho

The clearest difference is review sentiment: SoundEcho at 100% against Invisible Dragons's 47%. SoundEcho also leads on rating (4.3 vs 3.4). Invisible Dragons's advantage is in-app purchases (none vs 1) and ratings volume (49 vs 3). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. SoundEcho sells 1 one-off in-app purchase. Invisible Dragons asks for nothing beyond the download.

SoundEcho holds the better App Store score, 4.3 against 3.4. That said, the two scores are not equally well evidenced: Invisible Dragons has 49 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 47% of Invisible Dragons's written reviews are positive against 100% of SoundEcho's.

Invisible Dragons ships an update every 3 weeks, SoundEcho every 5 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Invisible Dragons | SoundEcho |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (49 ratings)](https://appshunter.io/ios/app/invisible-dragons/id1073578968/reviews) | **[4.3 (3 ratings)](https://appshunter.io/ios/app/soundecho/id1639116371/reviews)** |
| Number of ratings | **49** | 3 |
| Positive reviews | 47.4% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 89 MB | 7 MB |
| Requires iOS | **8.3** | 17.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [CONCEPT360 GmbH](https://appshunter.io/developer/887138569) | [Kristof Nijs](https://appshunter.io/developer/1608072573) |

## What reviewers say

### Invisible Dragons

[App page](https://appshunter.io/ios/app/invisible-dragons/id1073578968)

Embark on a text-based strategy adventure in a frozen world. Build a dragon empire, manage resources like gold and spells, and survive an ice apocalypse. Experience the magic world with interactive notifications and Apple Watch integration.

**Highlights:** Text-based strategy gameplay, Build a dragon empire, Resource management (gold, spells), Interactive notifications, Apple Watch integration, Offline play

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ✨ Addictive gameplay
- 🎨 Minimalist design
- 🧠 Strategic depth
- 👍 Satisfying progression
- 💡 Unique concept

**What reviewers complain about**

- 🐛 Cult/Sacrifice bug
- 📉 Overflow error
- 🔇 Sound issues
- ❓ Lack of tutorial
- 📉 Slow progression

**Reported bugs**

- Cult/sacrifice mechanic broken, game freezes or crashes
- Sound does not mute even when settings are off
- Game hangs on cult symbol image
- Sacrifice animation loop, no progress on restart
- Freeze when trying to form cult

**Requested features**

- Fix cult/sacrifice bug
- Implement dark mode
- Improve tutorial
- Add more story elements
- More ritual card choices


### SoundEcho

[App page](https://appshunter.io/ios/app/soundecho/id1639116371)

A fun and accessible memory game using sound cues. Players match pairs of buttons that produce the same sound to clear the board. Supports multiple sound themes and player counts, with Game Center integration.

**Highlights:** Sound-based memory matching, VoiceOver accessibility, Animal and computer sound themes, Multiple difficulty levels (10, 15, 20 sounds), 2-4 player real-time multiplayer, Game Center integration

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Purchasing the app | $4.49 | one-time |


## Frequently asked questions

### Is Invisible Dragons free?

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

### Is SoundEcho free?

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

### Which has better reviews, Invisible Dragons or SoundEcho?

SoundEcho is rated higher. Invisible Dragons averages 3.4 out of 5 from 49 ratings, while SoundEcho averages 4.3 from 3 ratings.

### Do Invisible Dragons or SoundEcho have ads?

Neither Invisible Dragons nor SoundEcho shows ads.

### Which is updated more often, Invisible Dragons or SoundEcho?

Invisible Dragons ships an update every 3 weeks, and SoundEcho every 5 weeks. Most recently, Invisible Dragons was updated on October 24, 2026 and SoundEcho on October 24, 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.*