# Radio Ball 3D vs Spark Mk1

The clearest difference is rating: Spark Mk1 at 5.0 against Radio Ball 3D's 4.1. Spark Mk1 also leads on ads (none vs shown) and review sentiment (100% vs 88%). Radio Ball 3D's advantage is iOS requirement (12.0 vs 15.0). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

Both are free to download. Radio Ball 3D sells 1 one-off in-app purchase and Spark Mk1 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Spark Mk1 holds the better App Store score, 5.0 against 4.1. Both are backed by a comparable volume of ratings — 11 and 7 respectively. Written reviews point the same way: 88% of Radio Ball 3D's written reviews are positive against 100% of Spark Mk1's.

Radio Ball 3D ships an update every 6 weeks, Spark Mk1 every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Radio Ball 3D | Spark Mk1 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (11 ratings)](https://appshunter.io/ios/app/radio-ball-3d/id438126651/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/spark-mk1/id1553283149/reviews)** |
| Number of ratings | **11** | 7 |
| Positive reviews | 88.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 10 MB | 75 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Hubert Sliwka](https://appshunter.io/developer/438126657) | [Zylos Games LLC](https://appshunter.io/developer/1553283151) |

## What reviewers say

### Radio Ball 3D

[App page](https://appshunter.io/ios/app/radio-ball-3d/id438126651)

Navigate a radioactive ball through a fast-paced 3D tunnel using accelerometer controls. Collect power-ups, perform combos, and avoid obstacles to achieve the highest score. Compete with others via Game Center achievements and leaderboards.

**Highlights:** Accelerometer tilt control, Endless tunnel gameplay, Power-up collection, Combo system, Obstacle avoidance/destruction, Game Center achievements and leaderboards

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ads Removal | $0.29 | one-time |


### Spark Mk1

[App page](https://appshunter.io/ios/app/spark-mk1/id1553283149)

Engage in a fast-paced action game where you infiltrate a corporation's network to save the world. Navigate system defenses using on-screen or tilt controls, master levels through replay, and compete on leaderboards. Unlock the full game to experience all levels and boss fights.

**Highlights:** Fast-paced non-stop action, On-screen D-Pad or tilt controls, Full story mode, Challenge mode with score multipliers, Game Center support, Leaderboards and achievements

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Game | $1.99 | one-time |


## Frequently asked questions

### Is Radio Ball 3D free?

Radio Ball 3D is free to download, with in-app purchases available.

### Is Spark Mk1 free?

Spark Mk1 is free to download, with in-app purchases available.

### Which has better reviews, Radio Ball 3D or Spark Mk1?

Spark Mk1 is rated higher. Radio Ball 3D averages 4.1 out of 5 from 11 ratings, while Spark Mk1 averages 5.0 from 7 ratings.

### Do Radio Ball 3D or Spark Mk1 have ads?

Radio Ball 3D shows ads; Spark Mk1 does not.

### Which is updated more often, Radio Ball 3D or Spark Mk1?

Radio Ball 3D ships an update every 6 weeks, and Spark Mk1 every 2 months. Most recently, Radio Ball 3D was updated on November 1, 2026 and Spark Mk1 on November 3, 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.*