Numdactle vs Astro Bumper
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Numdactle
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The Numdactle app is designed to challenge your logical and strategic thinking with Numdactle puzzles. We provide a grid with a few numbers, and your task is to find the missing number we ask for. Here are the rules: The sum of the numbers in each row, column, and diagonal must be identical. Each number in the grid can only appear once, and while they may not be in sequential order, they are all part of a sequence. We believe Numdactle is an excellent workout for the brain and that it improves memory and cognitive abilities. Therefore, the Numdactle App not only provides entertainment, but it also contributes to mental fitness. You don't need online access to play the Numdactle app on your device, but you will need Internet access to retrieve your printable Numdactle puzzles that you can give out to friends, students, and so on. Unlike other puzzle or game apps out there, the Numdactle app does not have any advertising, subscription fees, in-app purchases, or tracking. In other words, you can play Numdactle every day with no surprises or extra costs. Are you up for the challenge? Download the Numdactle App today!
Astro Bumper
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Astro Bumper is a mind-bending physics puzzler where you become the universe's last hope for communication. A vital encoded message is being transmitted across 47,000 light-years from the distant planet Cygnus Gamma-9 in the form of energy pallets. Your mission is simple: build temporary space conduits to route these sensitive packets through chaotic gravity fields to the Receiving Planet. Use your touch to quickly draw lines that deflect, bounce, and guide the flow, but be fast—your lines decay, and a single missed pallet could reset your progress! Master the gravity of Stars, avoid the pull of Black Holes, and achieve Perfect Flow Combos to earn the keys needed to decode the alien message, revealing the true purpose of the transmission one segment at a time. The fate of Cygnus Gamma-9 lies in your ability to control the chaos of spacetime.
Screenshots
Verdict
The clearest difference is price: Numdactle at Free against Astro Bumper's $0.99. On ads, in-app purchases, device support and iOS requirement 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
Numdactle is free to download; Astro Bumper costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Numdactle | Astro Bumper |
|---|---|---|
| Price | Free — better | $0.99 |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | H Valeur | Step Up Learning Labs |
In-app purchases
Numdactle
No in-app purchases
Astro Bumper
No in-app purchases





