Fastar! vs Boson X
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Fastar!
Embark on a fast-paced action RPG adventure where you slash and shop your way through a whimsical world. Master the art of speed to achieve your goals and climb global high score lists. Enjoy hours of simple arcade-style fun with adorable graphics and flashy spells.
- Fast-paced action RPG gameplay
- Hand-drawn graphics
- 24 game modes
- Global high score lists
- Flashy magic spells
- Variety of control schemes
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Action and Role-Playing in their purest, gleefulest form! Fastar! is the timeless tale of a boy with a big sword and a bowtie journeying across vast lands while being ambushed by malicious geometry. Wait, what, seriously? I'm not typing that, it doesn't make any sense. Oh, look what you made me do. I'll just start over. Fastar! is an Action RPG for when you just don't have time for an Action RPG. Dead simple to pick up and play, you'll be slashing and shopping your way across the grassy plains of [irrelevant flavorful name of fantasy world here] in seconds. You'll cross the world in mere minutes. But mastery of your true objective -- reaching that goal as fast as humanly possible -- could take a lifetime*. Fun for everyone from the casual player who loves to mash buttons, to the hardcore gamer-optimizer who loves to mash numbers, Fastar! will provide you with hours of minutes of seconds of simple arcadey joy. Featured features: - Reasonably adorable hand-drawn graphics! - 24 different game modes for a variety of play experiences, some of which don't actually count! - Global arcade-style high scores lists, where you can become internationally renowned if your full name is three letters or less! - Flashy magic spells for any kind of player, from Daring to Thrifty to Congealed! - A variety of control schemes to suit your particular playing posture! (Astronaut gymnasts excepted) - Sometimes in the background you can see a guy on a unicycle! Look for him, he's nice. * Lifetime reference mammal unspecified "A ridiculous amount of fun!" --TouchArcade Review "It's all about speed and it's ridiculously enjoyable." --Gizmodo "It’s all about distilling the unique fun of RPGs... into mere seconds of play." --PocketGamer "Expected to operate uncomfortable" --WeiPhone.com User Comment (translation c/o Google) "This is a game everyone can, and should enjoy!" --AppAdvice "[A] great cartoon RPG for the iPhone!" --1stimpressions.mobi "What this game has, above all, is that very particular, intangible magic which makes the very few select games rise above the rest." --Gabrien, TouchArcade forums "Fastar is a game that tried to do something different, and managed to get it absolutely right." --TouchAHolics "Pick it up for some great action!" --148Apps
Boson X
Experience a fast-paced rotational runner set within a particle accelerator. Jump between Planck units, generate high-energy collisions, and discover new particles in a hazardous subatomic world. This game emphasizes precise timing and reflexes without in-app purchases or power-ups.
- Rotational runner gameplay
- Particle accelerator setting
- Quantum jumping mechanics
- High-energy collision generation
- Subatomic world navigation
- Precise timing and reflexes required
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Boson X is a fast-paced rotational runner set in a particle accelerator. Featured as one of the Best of 2013 apps on the App Store. "a brilliant, twitchy arcade masterpiece that pulsates with originality and heart" - Pocket Gamer, 9/10 "a massively unique take on the endless runner genre" - Gamezebo, 4.5/5 "an amazingly compelling game" - Touch Arcade, 5/5 Quantum jump from Planck to Planck as you build up speed inside an enormous particle accelerator and generate high-energy collisions to discover strange new particles. Use precise timing and fast reflexes to navigate a hazardous subatomic world where floors and ceilings don't exist. Will you be fast enough to find the elusive Boson X? This game contains no in-app purchases, superfluous power-ups, coins or XP systems - just deadly serious scientific research. iPhone 4 or newer recommended. WARNING: Some sections of this game contain flashing lights.
Screenshots
Verdict
The clearest difference is update cadence: Fastar! at every 6 weeks against Boson X's every 6 months. Fastar! also leads on price ($1.99 vs $2.99). Boson X's advantage is iOS requirement (9.3 vs 15.0). On rating, review sentiment, ratings volume and ads 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
Fastar! costs $1.99 and Boson X $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.6 for Fastar! against 4.7 for Boson X. Both are backed by a comparable volume of ratings — 53 and 104 respectively. Written reviews are what separate them: 78% of Fastar!'s written reviews are positive against 83% of Boson X's.
Fastar! ships an update every 6 weeks, Boson X every 6 months. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.
| Parameter | Fastar! | Boson X |
|---|---|---|
| Price | $1.99 — better | $2.99 |
| Rating | 4.6 (53 ratings) | 4.7 (104 ratings) — better |
| Positive reviews | 78.0% of reviews | 83.2% of reviews — better |
| Number of ratings | 53 | 104 — better |
| Update frequency | Every 6 weeks — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 9.3 — better |
| Further details — not scored | ||
| Size | 13 MB | 22 MB |
| Age rating | 9+ | 9+ |
| Developer | Cat in a Box Software | Shape Shop Pty Ltd atf Shape Shop Trust |
Customer experience
Fastar!
Boson X
User reviews
Fastar!
From 53 App Store ratingsWhat we love
- 🚀 Fast-paced gameplay
- 👍 Addictive and fun
- 👍 Smooth controls
- 👍 Charming graphics
- 👍 Lots of game modes
Room to improve
- 🐛 Crashes and freezes
- 🔋 Drains battery quickly
- 👎 Repetitive gameplay
- 👎 Lack of customization options
- 👎 No story mode or progression
Boson X
From 104 App Store ratingsWhat we love
- 👍 Beautiful graphics
- 🚀 Smooth gameplay
- 💡 Unique and challenging levels
- 🎮 Addictive and fun
Room to improve
- 🐛 Lagging issues on newer devices
- 🔋 High battery consumption
- 🕹️ Unresponsive controls
Bugs and requests
Fastar!
Reported bugs
3 issues- Crashes on loading certain game modes
- Leaderboard and score submission issues
- Compatibility problems on newer iOS devices
Requested features
5 requests- Add character customization options
- Implement a story mode or campaign
- Allow listening to own music
- Add more enemy types and weapon variety
- Introduce persistent progression and leveling
Boson X
Reported bugs
3 issues- Crashes on launch
- Aspect ratio issues on iPhone 5/6
- Laser spawning bug on later levels
Requested features
4 requests- More levels and content
- Difficulty settings
- Improved controls
- Cloud save support
In-app purchases
Fastar!
No in-app purchases
Boson X
No in-app purchases









