# Sunless Sea vs ATOM RPG

The clearest difference is in-app purchases: Sunless Sea at none against ATOM RPG's 1. Sunless Sea also leads on ads (none vs shown) and iOS requirement (8.0 vs 12.2). ATOM RPG's advantage is device support (3 vs 1). On price, rating, review sentiment and ratings volume there is nothing between them.

Sunless Sea costs $9.99 and ATOM RPG $9.99 up front. ATOM RPG sells 1 one-off in-app purchase. Sunless Sea asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.3 for Sunless Sea against 4.3 for ATOM RPG. Both are backed by a comparable volume of ratings — 93 and 221 respectively. Written reviews are what separate them: 66% of Sunless Sea's written reviews are positive against 69% of ATOM RPG's.

Sunless Sea ships an update every 3 weeks, ATOM RPG every 5 weeks. The most recent releases landed on October 14, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Sunless Sea | ATOM RPG |
| --- | --- | --- |
| Price | $9.99 | $9.99 |
| Rating | [4.3 (93 ratings)](https://appshunter.io/ios/app/sunless-sea/id1133500069/reviews) | [4.3 (221 ratings)](https://appshunter.io/ios/app/atom-rpg/id1465288147/reviews) |
| Number of ratings | 93 | **221** |
| Positive reviews | 66.3% of reviews | **68.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 510 MB | 3.0 GB |
| Requires iOS | **8.0** | 12.2 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Failbetter Games](https://appshunter.io/developer/1056672890) | [ATENT GAMES LTD](https://appshunter.io/developer/1696294605) |

## What reviewers say

### Sunless Sea

[App page](https://appshunter.io/ios/app/sunless-sea/id1133500069)

Embark on a perilous journey as a steamship captain in a dark Victorian Gothic universe. Explore a vast, procedurally generated underworld, facing madness, cannibalism, and terrifying creatures. Your legacy lives on through generations as you uncover secrets and achieve your life's ambition.

**Highlights:** Vast narrative-driven world with 350,000+ words, Hand-drawn art and atmospheric visuals, Generational gameplay with legacy progression, Real-time combat against ships and creatures, Manage terror and madness, Ship and crew customization, Engage in trade and smuggling

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- ✨ Masterpiece writing and lore
- 🌍 Huge, explorable map
- 📚 Deep, complex narrative
- 🎨 Beautiful art and atmosphere
- 💎 Unique and original gameplay

**What reviewers complain about**

- 🐌 Slow pace and travel
- 💀 High difficulty and permadeath
- 💸 Tedious grinding for resources
- ❓ Unclear objectives and tutorials
- ⚙️ Clunky or unintuitive UI/controls

**Reported bugs**

- Crashes frequently
- Screen turns purple
- Audio stutters
- iPad restarts
- Black bars on iPad Pro 11"

**Requested features**

- Zubmariner DLC for iOS
- Sunless Skies for apps
- Russian language support
- Italian language support
- German language support


### ATOM RPG

[App page](https://appshunter.io/ios/app/atom-rpg/id1465288147)

Explore a post-apocalyptic Soviet Wasteland, creating your own hero. Investigate bunkers, battle mutants, and uncover conspiracies in this offline RPG. Features deep character creation, turn-based combat, and nonlinear gameplay with multiple quest solutions.

**Highlights:** Character creation tool, Offline single-player RPG, Dozens of skills, Turn-based combat, Nonlinear gameplay, Multiple quest solutions, Deep dialogues

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ATOM RPG - Supporter Pack | $2.99 | one-time |

**What reviewers like**

- 🚀 Great when you give it a chance
- 🚀 Huge game with lots of content
- 🚀 Replayable with multiple paths
- 👍 Scratches the Fallout itch
- 👍 Immersive atmosphere and writing

**What reviewers complain about**

- 🐛 Controls constantly break
- 🐛 Crashes and performance issues
- 🐛 Unbalanced gameplay and difficulty
- 🐛 Text and UI issues on mobile
- 🐛 Glitches and bugs

**Reported bugs**

- Controls breaking
- Frequent crashes
- Text/UI issues
- Glitches and bugs

**Requested features**

- Add controller support
- Improve UI scaling and readability
- Add more content and updates
- Fix bugs and stability issues


## Frequently asked questions

### Is Sunless Sea free?

Sunless Sea costs $9.99, with no in-app purchases.

### Is ATOM RPG free?

ATOM RPG costs $9.99, and also offers in-app purchases.

### Which has better reviews, Sunless Sea or ATOM RPG?

Sunless Sea and ATOM RPG are both rated 4.3 out of 5 on the App Store, from 93 and 221 ratings respectively.

### Do Sunless Sea or ATOM RPG have ads?

ATOM RPG shows ads; Sunless Sea does not.

### Which is updated more often, Sunless Sea or ATOM RPG?

Sunless Sea ships an update every 3 weeks, and ATOM RPG every 5 weeks. Most recently, Sunless Sea was updated on October 14, 2026 and ATOM RPG on October 19, 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.*