# Boulder Jack vs Slingy Ball

The clearest difference is review sentiment: Slingy Ball at 100% against Boulder Jack's 60%. Slingy Ball also leads on in-app purchases (none vs 6) and rating (4.8 vs 4.3). Boulder Jack's advantage is ratings volume (42 vs 9) and iOS requirement (6.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Boulder Jack sells 6 one-off in-app purchases. Slingy Ball asks for nothing beyond the download.

Slingy Ball holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 42 and 9 respectively. Written reviews point the same way: 60% of Boulder Jack's written reviews are positive against 100% of Slingy Ball's.

Boulder Jack ships an update every 2 months, Slingy Ball every 4 days. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Boulder Jack | Slingy Ball |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (42 ratings)](https://appshunter.io/ios/app/boulder-jack/id934665832/reviews) | **[4.8 (9 ratings)](https://appshunter.io/ios/app/slingy-ball/id1251358291/reviews)** |
| Number of ratings | **42** | 9 |
| Positive reviews | 60.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 114 MB | 7 MB |
| Requires iOS | **6.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PlaySide](https://appshunter.io/developer/551505830) | [Jonathan Chen](https://appshunter.io/developer/1168391333) |

## What reviewers say

### Boulder Jack

[App page](https://appshunter.io/ios/app/boulder-jack/id934665832)

Embark on a thrilling escape as you guide a pirate away from a pursuing boulder. Navigate diverse environments with dynamic weather and stunning visuals. Challenge friends and utilize unique abilities to survive this reverse running adventure.

**Highlights:** Reverse running gameplay, Swipe to move controls, Multiple environments, HD graphics, Visual effects, Friend challenges

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coin Pack 1 | $1.99 | one-time |
| Double Coins | $4.99 | one-time |
| Coin Pack 2 | $4.99 | one-time |
| Coin Pack 3 | $19.99 | one-time |
| Coin Pack 4 | $49.99 | one-time |
| Coin Pack 5 | $99.99 | one-time |

**What reviewers like**

- 🤩 Nostalgic feel
- 👍 Graphics and design
- 🎮 Smooth gameplay
- 💡 Innovative reverse runner concept
- 🎵 Cool music

**What reviewers complain about**

- 🥱 Repetitive gameplay
- 🐌 Slow performance on older devices
- 😵 Confusing controls/responsiveness
- 💸 Expensive in-app purchases
- 📺 Intrusive advertisements

**Reported bugs**

- Mute button issues
- General glitches
- Game crashes
- Character not responding to gestures
- Lagging on iPhone 4

**Requested features**

- More characters or outfits
- More power-ups
- More different levels or areas
- Missions or objectives
- Female character option


### Slingy Ball

[App page](https://appshunter.io/ios/app/slingy-ball/id1251358291)

Launch yourself from a slingshot to reach new platforms in this physics-based game. Master precise aiming and timing to navigate through challenging levels. Enjoy a simple yet engaging experience designed for quick play sessions.

**Highlights:** Slingshot launching mechanic, Platform navigation challenges, Physics-based gameplay, Simple controls, Engaging level design

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Boulder Jack free?

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

### Is Slingy Ball free?

Slingy Ball is free to download, with no in-app purchases.

### Which has better reviews, Boulder Jack or Slingy Ball?

Slingy Ball is rated higher. Boulder Jack averages 4.3 out of 5 from 42 ratings, while Slingy Ball averages 4.8 from 9 ratings.

### Do Boulder Jack or Slingy Ball have ads?

Neither Boulder Jack nor Slingy Ball shows ads.

### Which is updated more often, Boulder Jack or Slingy Ball?

Boulder Jack ships an update every 2 months, and Slingy Ball every 4 days. Most recently, Boulder Jack was updated on October 29, 2026 and Slingy Ball 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.*