Radio Ball 3D vs Spark Mk1
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Radio Ball 3D
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.
- Accelerometer tilt control
- Endless tunnel gameplay
- Power-up collection
- Combo system
- Obstacle avoidance/destruction
- Game Center achievements and leaderboards
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A fun, radioactive, fast-paced, accelerometer driven 3D game. Radio Ball 3D! The accelerometer controlled tunnel game. A uranium ball driven by radioactive waste rushes through the tunnel. Can you reach the end? Go as far as you can, collect power-ups, do combos, avoid or destroy obstacles. Get your score as high as possible and keep rollin'. Play and compete with other players through Game Center. Features: - Combos - Tilt control - Smooth 3D graphics - Dynamic, stunt-flavored gameplay - Achievements and leaderboards (Game Center) "Radio Ball 3D is likely to keep you entertained for many weeks to come" - knowyourmobile.com "Overall, Radio Ball is extremely addictive and may well ratchet up your heartbeats per minute" - pcworld.com "If you like SpeedX 3D or Vaccum then you will enjoy Radio Ball 3D as well" - droidgamers.com
Spark Mk1
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.
- 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
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It’s time for something new! Infiltrate the Evil Corporation's network and save the world from catastrophe in this fast paced non-stop action game that will challenge your reflexes and memory. Use the on screen D-Pad or customizable tilt controls to navigate past system defenses. Spark MK1 features a full story mode and a challenge mode. BASICS Once the level starts the player cannot stop. Maneuver your way past enemies and obstacles and reach the exit. Start with the maximum score and lose points with every hit. STORY MODE Choose your difficulty and embark on an adventure to rescue the planet from the Evil Corporation. Every level completed in story mode is unlocked for challenge mode. The cut scenes feature 8 bit pixel art graphics. CHALLENGE MODE Replay every level with the ability to increase your score multiplier by adjusting your stats including health, shields, weapon, time, speed, and difficulty. Show the world your gamer skills and climb the leaderboards by adjusting your stats to ridiculously low levels! DIFFICULTY This game is difficult on purpose. You can beat every level with a low score but you will need to harness your gamer skills to get the ultimate leaderboard score. Levels are mastered by replaying them and learning how to navigate past the enemies and obstacles. Some enemies are predictable but some are random, testing your reflexes… FEATURES • Use the onscreen D-Pad or customizable tilt controls • Fast paced non-stop action • Game Center support • Awesome soundtrack • Leaderboards • Achievements • Captivating story IN-APP PURCHASES The first 10 levels and first boss fight are free. Unlock the game to get all 100 levels and 10 boss fights and defeat the Evil Corporation!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Radio Ball 3D | Spark Mk1 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (11 ratings) | 5.0 (7 ratings) — better |
| Positive reviews | 88.2% of reviews | 100.0% of reviews — better |
| Number of ratings | 11 — better | 7 |
| Update frequency | Every 6 weeks — better | Every 2 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Apple TV — better | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 10 MB | 75 MB |
| Age rating | 9+ | 4+ |
| Developer | Hubert Sliwka | Zylos Games LLC |
Customer experience
Radio Ball 3D
Spark Mk1
In-app purchases
Radio Ball 3D
- Ads Removal$0.29
Spark Mk1
- Unlock Game$1.99









