# RPG MO vs Junk Jack

The clearest difference is price: RPG MO at Free against Junk Jack's $4.99. Junk Jack's advantage is ratings volume (471 vs 34) and review sentiment (78% vs 65%). On rating, update cadence, ads and in-app purchases there is nothing between them.

RPG MO is free to download; Junk Jack costs $4.99 up front. RPG MO sells 6 one-off in-app purchases and Junk Jack sells 11 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.3 for RPG MO against 4.4 for Junk Jack. That said, the two scores are not equally well evidenced: Junk Jack has 471 ratings behind it against 34, so its average is the more settled of the two. Written reviews are what separate them: 65% of RPG MO's written reviews are positive against 78% of Junk Jack's.

RPG MO ships an update every 2 months, Junk Jack every 3 months. The most recent releases landed on September 21, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | RPG MO | Junk Jack |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | [4.3 (34 ratings)](https://appshunter.io/ios/app/rpg-mo/id601177570/reviews) | **[4.4 (471 ratings)](https://appshunter.io/ios/app/junk-jack/id601584735/reviews)** |
| Number of ratings | 34 | **471** |
| Positive reviews | 65.0% of reviews | **78.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 154 MB | 67 MB |
| Requires iOS | 14.0 | **9.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Margus Ojanurme](https://appshunter.io/developer/601177573) | [Pixbits SRL](https://appshunter.io/developer/436555493) |

## What reviewers say

### RPG MO

[App page](https://appshunter.io/ios/app/rpg-mo/id601177570)

Embark on an addictive online multiplayer role-playing adventure. Fight monsters, master 19 diverse skills, and dedicate your time to this retro-style MMORPG. Designed for adult gamers but enjoyable for younger players too.

**Highlights:** Online multiplayer role-playing, Monster combat, 19 distinct skills to master, Retro MMORPG style, Time and dedication focused gameplay

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 500 MOS | $4.99 | one-time |
| 1250 MOS | $11.99 | one-time |
| 2100 MOS | $19.99 | one-time |
| 3200 MOS | $29.99 | one-time |
| 5500 MOS + 2x EXP potion | $49.99 | one-time |
| 11250 MOS + two 2x EXP potions | $99.99 | one-time |


### Junk Jack

[App page](https://appshunter.io/ios/app/junk-jack/id601584735)

Explore, build, and survive in procedurally generated 2D worlds. This sandbox adventure offers creative building, combat, and exploration across multiple planets, with options for both single-player and multiplayer experiences.

**Highlights:** Procedurally generated worlds, Multiplayer support, Creative mode, Extensive equipment system, Adventure mode across multiple planets, Electronics engine for complex creations, Farming system

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Breeding Hat | $0.99 | one-time |
| Extended Day | $0.99 | one-time |
| Complete Craftbook | $0.99 | one-time |
| Dark Ninja | $0.99 | one-time |
| Mining Helmet | $0.99 | one-time |
| Hatcher Hat | $0.99 | one-time |
| Santa Hat | $0.99 | one-time |
| Chemistry Book | $0.99 | one-time |
| Pocket Pug | $0.99 | one-time |
| Legendary Pole | $0.99 | one-time |
| Instant Planets | $1.99 | one-time |

**What reviewers like**

- 🚀 Awesome game
- 🚀 Great sandbox experience
- 🚀 Tons of content
- 🚀 Nostalgic
- 🚀 Addictive gameplay

**What reviewers complain about**

- 🐛 Crashes and glitches
- 🐛 Multiplayer issues
- 🐛 Inventory/crafting bugs
- 🔋 Performance issues on older devices
- 🔒 Lack of cloud/cross-device save support

**Reported bugs**

- Crashes when joining multiplayer
- Inventory items disappearing
- Crafting recipes not working
- Compatibility issues with newer iOS versions
- Multiplayer desync and desyncing

**Requested features**

- Controller support
- More planets/biomes
- NPC/civilization features
- Expanded crafting/progression
- Taming/breeding mechanics


## Frequently asked questions

### Is RPG MO free?

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

### Is Junk Jack free?

Junk Jack costs $4.99, and also offers in-app purchases.

### Which has better reviews, RPG MO or Junk Jack?

Junk Jack is rated higher. RPG MO averages 4.3 out of 5 from 34 ratings, while Junk Jack averages 4.4 from 471 ratings.

### Do RPG MO or Junk Jack have ads?

Neither RPG MO nor Junk Jack shows ads.

### Which is updated more often, RPG MO or Junk Jack?

RPG MO ships an update every 2 months, and Junk Jack every 3 months. Most recently, RPG MO was updated on September 21, 2026 and Junk Jack on September 25, 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.*