Shape Box! vs Calc Ninja
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Shape Box!
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This is Shape Box! A game that combines both logic and skill, where your mission is to unscrew shapes from the cube’s surfaces, clean them up, and put the pieces in place. Sounds easy? Think again! Rotate the cube, tap on the screws, and watch the shapes fall. Your goal is to remove all the shapes from each surface, clearing the cube. But that's not all! Once it’s cleared, you must fit new shapes into the empty spaces to complete the cube! Challenging levels in different themes: Every new level introduces new shapes and challenges. As you advance through the levels, face increasingly complex puzzles that will test your skills.
Calc Ninja
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Calc Ninja is a mental-math battle puzzle. Fill the blanks in each equation to strike down the oni! How to play 1. Each battle shows an equation with blank tiles, e.g. ( □ + □ ) × □ = 18. 2. Tap number tiles to fill the blanks so the equation is true. 3. A correct answer strikes the demon; a wrong answer or running out of time lets it strike you. Content - 30 scrolls across 6 ninja ranks (Shoden to Gokui) - 16 unique oni bosses with a demon gallery - Operators and parentheses stay fixed. You only place the numbers, so it is pure mental math. Great for - Adults who want daily brain training - Anyone who likes number puzzles and quick arithmetic - Fans of a Japanese ninja-and-oni theme Free to play. No account required. * This app is a work of fiction. Characters and story are not based on real people or events.
Screenshots
Verdict
The clearest difference is update cadence: Shape Box! at every 2 days against Calc Ninja's monthly. Shape Box! also leads on device support (3 vs 1) and iOS requirement (12.0 vs 18.0). On price, ads 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. Neither carries in-app purchases, so what you see is what you pay.
Shape Box! ships an update every 2 days, Calc Ninja monthly. The most recent releases landed on October 18, 2026 and October 13, 2026 respectively.
| Parameter | Shape Box! | Calc Ninja |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days — better | Monthly |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 109 MB | 118 MB |
| Age rating | 4+ | 9+ |
| Developer | Iconic Games | kotaro yamada |
In-app purchases
Shape Box!
No in-app purchases
Calc Ninja
No in-app purchases
Questions
Is Shape Box! free?
Is Calc Ninja free?
Do Shape Box! or Calc Ninja have ads?
Which is updated more often, Shape Box! or Calc Ninja?
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