# Demon RPG vs simian.interface++

The clearest difference is ads: simian.interface++ at none against Demon RPG's shown. simian.interface++ also leads on update cadence (daily vs every 14 months) and rating (5.0 vs 4.6). Demon RPG's advantage is ratings volume (61 vs 5). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Demon RPG sells 5 one-off in-app purchases and simian.interface++ sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

simian.interface++ holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Demon RPG has 61 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 83% of Demon RPG's written reviews are positive against 100% of simian.interface++'s.

Demon RPG ships an update every 14 months, simian.interface++ daily. Both last shipped on October 24, 2026.

## The numbers

| Metric | Demon RPG | simian.interface++ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (61 ratings)](https://appshunter.io/ios/app/demon-rpg/id1476965737/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/simianinterface-plus-plus/id6502666587/reviews)** |
| Number of ratings | **61** | 5 |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 14 months | **Daily** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 91 MB | 152 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [SeHyeon Im](https://appshunter.io/developer/1294084939) | [vested interest LLC](https://appshunter.io/developer/1746378363) |

## What reviewers say

### Demon RPG

[App page](https://appshunter.io/ios/app/demon-rpg/id1476965737)

Embark on an adventure to reclaim your throne after betrayal. Merge items to become stronger, utilize diverse skills for combat, and craft equipment to defeat monsters. Uncover a twisted plot in this epic RPG.

**Highlights:** Item merging for upgrades, Diverse combat skills, Crafting swords, shields, potions, Over 100 unique items, Twisted plotline

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Purchase 20 GEMS | $0.99 | one-time |
| Remove ADS | $2.99 | one-time |
| 보석 120개 구매 | $4.99 | one-time |
| Purchase 280 GEMS | $9.99 | one-time |
| Purchase 1800 GEMS | $48.99 | one-time |


### simian.interface++

[App page](https://appshunter.io/ios/app/simianinterface-plus-plus/id6502666587)

An abstract puzzle game that challenges players with pattern recognition and intuition. It features a unique soundtrack, an original version of the game, and a new infinite mode with procedurally generated content for endless replayability.

**Highlights:** Abstract puzzle experience, Pattern recognition challenges, Intuitive gameplay, Original game included, Infinite_loop mode, Procedurally generated levels

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Full Game | $1.99 | one-time |


## Frequently asked questions

### Is Demon RPG free?

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

### Is simian.interface++ free?

simian.interface++ is free to download, with in-app purchases available.

### Which has better reviews, Demon RPG or simian.interface++?

simian.interface++ is rated higher. Demon RPG averages 4.6 out of 5 from 61 ratings, while simian.interface++ averages 5.0 from 5 ratings.

### Do Demon RPG or simian.interface++ have ads?

Demon RPG shows ads; simian.interface++ does not.

### Which is updated more often, Demon RPG or simian.interface++?

Demon RPG ships an update every 14 months, and simian.interface++ daily. Most recently, Demon RPG was updated on October 24, 2026 and simian.interface++ 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.*