# ニート勇者RPG vs OnceWorld

The clearest difference is rating: OnceWorld at 4.9 against ニート勇者RPG's 2.5. OnceWorld also leads on update cadence (every 2 days vs every 2 months) and ratings volume (130 vs 2). ニート勇者RPG's advantage is review sentiment (79% vs 58%). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. ニート勇者RPG sells 1 one-off in-app purchase and OnceWorld sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

OnceWorld holds the better App Store score, 4.9 against 2.5. That said, the two scores are not equally well evidenced: OnceWorld has 130 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 79% of ニート勇者RPG's written reviews are positive against 58% of OnceWorld's, so the app with the better star average is not the one people write more warmly about.

ニート勇者RPG ships an update every 2 months, OnceWorld every 2 days. The most recent releases landed on October 17, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | ニート勇者RPG | OnceWorld |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (2 ratings)](https://appshunter.io/ios/app/rpg-rpg/id773042667/reviews) | **[4.9 (130 ratings)](https://appshunter.io/ios/app/onceworld/id6753948618/reviews)** |
| Number of ratings | 2 | **130** |
| Positive reviews | **79.3% of reviews** | 58.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 97 MB | 325 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Picology inc.](https://appshunter.io/developer/483092909) | [PONIX LLC](https://appshunter.io/developer/1071402258) |

## What reviewers say

### ニート勇者RPG

[App page](https://appshunter.io/ios/app/rpg-rpg/id773042667)

An idle RPG where you tap monsters to battle and protect your mother. Level up quickly, learn flashy magic, and enjoy a heartwarming story with beautiful pixel art graphics. Perfect for quick play and killing time.

**Highlights:** Simple tap-based combat, Idle gameplay mechanics, Level up and learn magic, Collect 80 types of magic, Beautiful pixel art graphics, Heartwarming story

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告削除。 | $0.99 | one-time |


### OnceWorld

[App page](https://appshunter.io/ios/app/onceworld/id6753948618)

Experience a nostalgic 2D solo RPG that blends classic MMO charm with modern mobile convenience. Level up, customize your character with stat distribution, enhance gear, collect pets, and battle through a deep progression system.

**Highlights:** Stat distribution for character customization, Equipment enhancement and set bonuses, Monster capture and pet raising, Material collection for crafting and upgrades, Reincarnation system for continued growth, Abyss Corridor ranked mode

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Crystals 10 | $0.99 | one-time |
| Crystal 50 | $4.99 | one-time |
| Crystal 150 | $14.99 | one-time |
| Crystal 300 | $29.99 | one-time |
| Crystal 600 | $59.99 | one-time |
| Crystal 1000 | $99.99 | one-time |


## Frequently asked questions

### Is ニート勇者RPG free?

ニート勇者RPG is free to download, with in-app purchases available.

### Is OnceWorld free?

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

### Which has better reviews, ニート勇者RPG or OnceWorld?

OnceWorld is rated higher. ニート勇者RPG averages 2.5 out of 5 from 2 ratings, while OnceWorld averages 4.9 from 130 ratings.

### Do ニート勇者RPG or OnceWorld have ads?

Both ニート勇者RPG and OnceWorld show ads.

### Which is updated more often, ニート勇者RPG or OnceWorld?

ニート勇者RPG ships an update every 2 months, and OnceWorld every 2 days. Most recently, ニート勇者RPG was updated on October 17, 2026 and OnceWorld on October 18, 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.*