# Overdrive II vs Slime Runner

The clearest difference is ads: Slime Runner at none against Overdrive II's shown. Slime Runner also leads on iOS requirement (9.0 vs 15.0). Overdrive II's advantage is update cadence (every 6 days vs every 6 weeks). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Overdrive II sells 10 one-off in-app purchases and Slime Runner sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Overdrive II ships an update every 6 days, Slime Runner every 6 weeks. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Overdrive II | Slime Runner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (48 ratings)](https://appshunter.io/ios/app/overdrive-ii/id1482368169/reviews)** | — |
| Number of ratings | **48** | — |
| Positive reviews | 56.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 days** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 197 MB | 139 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [GEM MOBILE SOFTWARE COMPANY](https://appshunter.io/developer/1232513666) | [Evgeny Grishakov](https://appshunter.io/developer/573829721) |

## What reviewers say

### Overdrive II

[App page](https://appshunter.io/ios/app/overdrive-ii/id1482368169)

Engage in a sci-fi hack and slash adventure set in a post-apocalyptic world. Battle a rogue AI's robot army with your ninja warrior skills. Upgrade your character, collect gear, and influence the story in this offline action RPG.

**Highlights:** Hack and slash platformer gameplay, Sci-fi theme and futuristic story, Character upgrades and customization, Offline playability, Modern 3D graphics and realistic physics, Story mode with intriguing narrative

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gem pack 1 | $2.99 | one-time |
| Sheild Drone | $2.99 | one-time |
| Gun Drone | $2.99 | one-time |
| Remove Ads | $2.99 | one-time |
| Gem pack 2 | $4.99 | one-time |
| Gem pack 3 | $9.99 | one-time |
| Gem pack 4 | $19.99 | one-time |
| Dagger S Sword | $19.99 | one-time |
| Jade General Sale 20% | $39.99 | one-time |
| Amber Paladin | $49.99 | one-time |

**What reviewers like**

- 👍 Fun and addictive gameplay
- ✨ Great skills and graphics
- ⚔️ Good hack and slash mechanics
- 🎮 Enjoyable for no Wi-Fi
- 🤩 Best game so far for some

**What reviewers complain about**

- 💸 Overpriced in-app purchases
- 😩 Too many ads
- 🚫 Game feels abandoned
- 📉 Lack of updates
- 🔄 Repetitive gameplay

**Reported bugs**

- Account deleted without user action
- Game crashes or won't load
- Lost all progress after update
- Weekly missions not registering correctly
- Cannot enhance items

**Requested features**

- Replay lunar new year event
- Add more playable characters
- Allow control customization
- Implement cross-save functionality
- Explain how to get the fourth ability


### Slime Runner

[App page](https://appshunter.io/ios/app/slime-runner/id1487479974)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $1.99 | one-time |


## Frequently asked questions

### Is Overdrive II free?

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

### Is Slime Runner free?

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

### Do Overdrive II or Slime Runner have ads?

Overdrive II shows ads; Slime Runner does not.

### Which is updated more often, Overdrive II or Slime Runner?

Overdrive II ships an update every 6 days, and Slime Runner every 6 weeks. Most recently, Overdrive II was updated on October 24, 2026 and Slime Runner on October 26, 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.*