About by PCalc vs Bumper Dash
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
About by PCalc
Explore a whimsical 3D city filled with interactive elements and hidden surprises. This app began as a fun 'About' screen for a calculator and evolved into a playful exploration toy with driving and collectible elements.
- Interactive 3D city exploration
- Playable 3D icon
- Drive a car around the city
- Discover hidden areas like The Castle of the Panda King
- Supports gamepads and keyboards
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About by PCalc is the former About screen of our scientific calculator app PCalc. It was partially an excuse to learn how to program 3D graphics, but mainly I wanted to make the most fun About screen ever. It started just as a 3D icon that you could play with and throw bananas at, then there was a little car you could drive around, and soon there was a whole city to explore. It's kind of a toy, kind of a game, and kind of a window into my subconscious. Anyway, it got a little on the big side, so I decided to spin it out into its own app. Just explore and see what you can find, and be sure to visit The Castle of the Panda King! You can play using the on-screen joysticks, but it also supports gamepads and keyboards.
Bumper Dash
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Bumper Dash is a simple action game with minimalistic visuals, the goal is to bounce against the walls as many times as possible while avoiding the spikes. Relax and enjoy the colour show, rack up those points and compete with your friends on the global leaderboards. Good to play: - While travelling - On the toilet - In church - While bouncing a ball - Instead of going outside and bouncing a ball - At least once I created the concept and the original version of this game in 30 minutes as a fun way to challenge myself. It has since been updated, rebranded and cleaned up to create a more complete experience. Enjoy!
Screenshots
Verdict
The clearest difference is in-app purchases: About by PCalc at none against Bumper Dash's 1. About by PCalc also leads on ads (none vs shown) and device support (5 vs 3). Bumper Dash's advantage is iOS requirement (12.0 vs 15.0). On price and update cadence 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. Bumper Dash sells 1 one-off in-app purchase. About by PCalc asks for nothing beyond the download.
About by PCalc ships an update every 9 months, Bumper Dash every 5 months. Both last shipped on October 8, 2026.
| Parameter | About by PCalc | Bumper Dash |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (23 ratings) — better | — |
| Positive reviews | 88.2% of reviews | — |
| Number of ratings | 23 — better | — |
| Update frequency | Every 9 months | Every 5 months — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod, Mac, Vision Pro — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 64 MB | 68 MB |
| Age rating | 4+ | 4+ |
| Developer | TLA Systems Ltd. | Alexander Tandy Batty |
In-app purchases
About by PCalc
No in-app purchases
Bumper Dash
- Remove Ads$0.99









