# Chaos Zero Nightmare vs Etheria

The clearest difference is review sentiment: Chaos Zero Nightmare at 66% against Etheria's 45%. Chaos Zero Nightmare also leads on rating (4.9 vs 4.7) and update cadence (every 3 weeks vs every 2 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Chaos Zero Nightmare sells 45 one-off in-app purchases and Etheria sells 31 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Chaos Zero Nightmare holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 15K and 8.5K respectively. Written reviews point the same way: 66% of Chaos Zero Nightmare's written reviews are positive against 45% of Etheria's.

Chaos Zero Nightmare ships an update every 3 weeks, Etheria every 2 months. Both last shipped on September 24, 2026.

## The numbers

| Metric | Chaos Zero Nightmare | Etheria |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (15K ratings)](https://appshunter.io/ios/app/chaos-zero-nightmare/id6502326151/reviews)** | [4.7 (8.5K ratings)](https://appshunter.io/ios/app/etheria-restart/id6737684676/reviews) |
| Number of ratings | **15K** | 8.5K |
| Positive reviews | **66.2% of reviews** | 44.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#128** | #139 |
| Size | 112 MB | 3.6 GB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Smilegate, Inc.](https://appshunter.io/developer/588277915) | [XD Entertainment Pte Ltd](https://appshunter.io/developer/1563750317) |

## What reviewers say

### Chaos Zero Nightmare

[App page](https://appshunter.io/ios/app/chaos-zero-nightmare/id6502326151)

**Currently charting:** #128 Top Grossing · Role Playing (US App Store)

Embark on a dark fantasy RPG adventure where your choices shape the narrative and gameplay. Battle cosmic horrors with unique cards and evolving strategies. Experience a visually stunning world with fully voiced characters.

**Highlights:** Dark fantasy narrative, Choice-driven RPG mechanics, Unique card-based combat, Evolving gameplay with branching choices, Gorgeous 2D illustrations, Fully voiced characters

**Features:** macOS Compatibility

**In-app purchases (45)**

| Purchase | Price | Billing |
| --- | --- | --- |
| New Captain Support Kit I | $0.99 | one-time |
| New Captain Support Kit II | $4.99 | one-time |
| Coronomicon Monthly Package | $4.99 | one-time |
| Half-Anniversary Ticket | $4.99 | one-time |
| Tactical Asset Monthly Supply | $4.99 | one-time |
| Agent Growth Kit | $4.99 | one-time |
| Aether Supply Kit | $4.99 | one-time |
| Gentle Ripples on the Night Sea | $7.99 | one-time |
| Crimson Yearning Within the Waves | $7.99 | one-time |
| Youth Under the Sun | $7.99 | one-time |
| Special Data | $9.99 | one-time |
| Partner Promotion Kit | $9.99 | one-time |
| Imp's Mischief I | $14.99 | one-time |
| Covert Exchange I | $14.99 | one-time |
| Scent of Summer I | $14.99 | one-time |
| Legacy of Will I | $14.99 | one-time |
| Galaxy Melody I | $14.99 | one-time |
| Emergency Rescue Operation II | $14.99 | one-time |
| Crystal ×980 | $14.99 | one-time |
| Regular Rescue Operation II | $14.99 | one-time |
| Golden Nebula Package I | $14.99 | one-time |
| SS Nightmare Security Upgrade I | $14.99 | one-time |
| Budding Seed of Karmic Fire I | $14.99 | one-time |
| Zero Data | $19.99 | one-time |
| Crystal ×1980 | $29.99 | one-time |
| Royal Level Up Package | $29.99 | one-time |
| Golden Nebula Package II | $29.99 | one-time |
| Sweet Confession Gift | $29.99 | one-time |
| Galactic Disaster 3rd Supply Kit II | $29.99 | one-time |
| Emergency Rescue Operation III | $29.99 | one-time |
| Imp's Mischief II | $49.99 | one-time |
| Covert Exchange II | $49.99 | one-time |
| Scent of Summer II | $49.99 | one-time |
| Legacy of Will II | $49.99 | one-time |
| Galaxy Melody Ⅱ | $49.99 | one-time |
| SS Nightmare Security Upgrade II | $49.99 | one-time |
| Silver Winter Star Package I | $49.99 | one-time |
| Galactic Disaster Support Kit I | $49.99 | one-time |
| Large Scale Rescue Operation I | $49.99 | one-time |
| Imp's Mischief III | $99.99 | one-time |
| Covert Exchange Ⅲ | $99.99 | one-time |
| Scent of Summer III | $99.99 | one-time |
| Galaxy Melody Ⅲ | $99.99 | one-time |
| Crystal ×6480 | $99.99 | one-time |
| Golden Nebula Package Ⅳ | $99.99 | one-time |

**What reviewers like**

- 🚀 Amazing, Incredible, Gorgeous, Uniquely Compelling
- 👍 Fun, Refreshing, Engaging Gameplay
- 💎 Solid Story, Animation, and Voice Acting
- 🎨 Beautiful Character Designs and Visuals

**What reviewers complain about**

- 🐛 Connection Issues, Login Problems, and Crashes
- 💰 Gacha Rates are Low, Grindy Progression
- ⏱️ Lengthy, Tedious, and Time-Consuming Runs

**Reported bugs**

- Banned IP Issues
- Missing Files and Inability to Load

**Requested features**

- English Dubbed Version
- More Male Characters
- Flexible Character Setup


### Etheria

[App page](https://appshunter.io/ios/app/etheria-restart/id6737684676)

**Currently charting:** #139 Top Grossing · Role Playing (US App Store)

Embark on an RPG adventure in a virtual world threatened by a corrupted force. Assemble a team of unique heroes, master strategic turn-based combat, and explore a visually stunning 3D world. Engage in thrilling PvP battles and challenging PvE content to save humanity.

**Highlights:** Strategic turn-based combat, Limitless team compositions, Breathtaking 3D visuals, Cinematic battle spectacles, Strategic PvP Arena battles, Venture into the Threshold PvE, Forge unique combat styles

**In-app purchases (31)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Beginner Pack: Anima | $0.99 | one-time |
| Level 10 Pack | $0.99 | one-time |
| Daily Special Pack | $4.99 | one-time |
| Monthly Supply Card | $4.99 | one-time |
| Beginner Pack: Enhanced | $4.99 | one-time |
| Level 25 Pack | $4.99 | one-time |
| Level 15 Pack | $4.99 | one-time |
| Jazz Swing Bundle | $4.99 | one-time |
| Premium Pass | $10.99 | one-time |
| Module Essence Supply | $10.99 | one-time |
| Animus General Chest | $10.99 | one-time |
| Psyche Rock Bundle | $10.99 | one-time |
| Ultimate Pass | $15.49 | one-time |
| Beginner Pack: Apex | $15.49 | one-time |
| Apex Supply Chest | $15.49 | one-time |
| Animus Vanguard Chest | $15.49 | one-time |
| Digital Beat Bundle | $15.49 | one-time |
| Special Training Supply | $30.99 | one-time |
| Apex Recon Chest | $30.99 | one-time |
| Animus Rival Chest | $30.99 | one-time |
| Level 40 Pack | $30.99 | one-time |
| Beginner Pack IV | $30.99 | one-time |
| Pop Break Bundle | $30.99 | one-time |
| Apex Ascension Chest | $50.99 | one-time |
| Animus Peak Chest | $50.99 | one-time |
| Level 45 Pack | $50.99 | one-time |
| Beginner Pack V | $50.99 | one-time |
| Mambo Rush Bundle | $50.99 | one-time |
| Apex Premium Chest | $99.99 | one-time |
| Level 50 Pack | $99.99 | one-time |
| Classic Tale Bundle | $99.99 | one-time |

**What reviewers like**

- 👍 Fun gameplay
- 🚀 Low data usage
- 👍 Amazing animation and characters
- 👍 Smooth performance
- 👍 Enjoyable story

**What reviewers complain about**

- 🐛 Game still under maintenance
- 🔊 No English voice acting

**Reported bugs**

- Game not starting despite user input
- Download issues

**Requested features**

- English voice acting
- More store accessibility


## Frequently asked questions

### Is Chaos Zero Nightmare free?

Chaos Zero Nightmare is free to download, with in-app purchases available.

### Is Etheria free?

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

### Which has better reviews, Chaos Zero Nightmare or Etheria?

Chaos Zero Nightmare is rated higher. Chaos Zero Nightmare averages 4.9 out of 5 from 15K ratings, while Etheria averages 4.7 from 8.5K ratings.

### Do Chaos Zero Nightmare or Etheria have ads?

Both Chaos Zero Nightmare and Etheria show ads.

### Which is updated more often, Chaos Zero Nightmare or Etheria?

Chaos Zero Nightmare ships an update every 3 weeks, and Etheria every 2 months. Most recently, Chaos Zero Nightmare was updated on September 24, 2026 and Etheria on September 24, 2026.

### Which is more popular, Chaos Zero Nightmare or Etheria?

Chaos Zero Nightmare currently peaks at #128 in the App Store charts, and Etheria at #139. Chart position reflects recent download velocity rather than total install base.

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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.*