# ATOM RPG vs Siralim Ultimate

The clearest difference is in-app purchases: Siralim Ultimate at none against ATOM RPG's 1. Siralim Ultimate also leads on ads (none vs shown) and rating (4.7 vs 4.3). On price, review sentiment, ratings volume and chart position there is nothing between them.

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

Siralim Ultimate holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 222 and 240 respectively. Written reviews point the same way: 69% of ATOM RPG's written reviews are positive against 74% of Siralim Ultimate's.

ATOM RPG ships an update every 5 weeks, Siralim Ultimate weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | ATOM RPG | Siralim Ultimate |
| --- | --- | --- |
| Price | $9.99 | $9.99 |
| Rating | [4.3 (222 ratings)](https://appshunter.io/ios/app/atom-rpg/id1465288147/reviews) | **[4.7 (240 ratings)](https://appshunter.io/ios/app/siralim-ultimate/id1601114348/reviews)** |
| Number of ratings | 222 | **240** |
| Positive reviews | 68.9% of reviews | **73.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | #114 | **#70** |
| Size | 3.0 GB | 1.0 GB |
| Requires iOS | **12.2** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [ATENT GAMES LTD](https://appshunter.io/developer/1696294605) | [Thylacine Studios](https://appshunter.io/developer/889776566) |

## What reviewers say

### ATOM RPG

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

**Currently charting:** #114 Top Paid · Role Playing, #194 Top Paid · Adventure (US App Store)

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


### Siralim Ultimate

[App page](https://appshunter.io/ios/app/siralim-ultimate/id1601114348)

**Currently charting:** #70 Top Paid · Role Playing, #129 Top Paid · Adventure (US App Store)

Embark on an epic monster-catching adventure in this deep RPG. Collect over 1200 unique creatures, fuse them to create powerful offspring, and explore procedurally generated dungeons. Customize your castle, engage in strategic battles, and craft powerful gear for thousands of hours of gameplay.

**Highlights:** 1200+ creatures to collect, Creature fusion system, Randomly generated dungeons, Castle customization, Strategic 6v6 battles, Artifact and Spell Gem crafting, Character specialization

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

**In-app purchases:** none

**What reviewers like**

- 🎮 Exceptional depth and complexity in gameplay mechanics
- 💰 Complete game with zero microtransactions
- 🔄 Virtually unlimited replayability and content
- 🧩 Incredible customization options for teams and builds
- ⏱️ Hundreds of hours of engaging content

**What reviewers complain about**

- 🎮 Virtual controller controls feel unnatural and imprecise
- 🐛 Frequent crashes and stability issues on iOS
- 📱 Touch controls block important UI text
- ⌨️ Keyboard input detection problems
- 🎨 Outdated UI design resembling early 2000s apps

**Reported bugs**

- Game freezes on opening screen preventing gameplay
- Crashes when defeating False Gods and selecting anointments
- Crashes when gaining large amounts of experience
- Crashes when switching to different apps during battle
- Crashes when opening chests after boss battles

**Requested features**

- Native touch controls with tap-to-move functionality
- Controller support for external game controllers
- Automatic cloud backup system
- Portrait mode and one-handed play support
- Individual button size adjustment (not grouped)


## Frequently asked questions

### Is ATOM RPG free?

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

### Is Siralim Ultimate free?

Siralim Ultimate costs $9.99, with no in-app purchases.

### Which has better reviews, ATOM RPG or Siralim Ultimate?

Siralim Ultimate is rated higher. ATOM RPG averages 4.3 out of 5 from 222 ratings, while Siralim Ultimate averages 4.7 from 240 ratings.

### Do ATOM RPG or Siralim Ultimate have ads?

ATOM RPG shows ads; Siralim Ultimate does not.

### Which is updated more often, ATOM RPG or Siralim Ultimate?

ATOM RPG ships an update every 5 weeks, and Siralim Ultimate weekly. Most recently, ATOM RPG was updated on October 24, 2026 and Siralim Ultimate on October 24, 2026.

### Which is more popular, ATOM RPG or Siralim Ultimate?

ATOM RPG currently peaks at #114 in the App Store charts, and Siralim Ultimate at #70. 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.*