Number Lab vs Cross Sum Mania
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Number Lab
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Embark on a mathematical journey where numbers cascade down columns. Merge the bottom numbers with a satisfying click, adding them to create a new sum. Watch as your strategic choices unlock paths and guide the merged numbers to the right boxes below. Challenge yourself with varying levels of complexity and become the ultimate Number Merge master!
Cross Sum Mania
Solve challenging number puzzles by completing overlapping equations. Use digits 1-9 once per puzzle to fulfill both horizontal and vertical math problems. This free game offers a fun and mentally stimulating experience.
- Overlapping horizontal and vertical equations
- Uses digits 1-9 once per puzzle
- Requires completion of all equations
- Challenging logic gameplay
- Free to play
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A Cross Sum puzzle consists of 6 overlapping equations, 3 horizontal equations and 3 vertical equations. Each equation consists of three digits and two operations. The solution to each equation is given. To solve the puzzle you must complete each equation. The digits 1-9 are used ONLY ONCE in every puzzle. This game is more challenging than you might think. It's fun and it's FREE!
Screenshots
Verdict
The clearest difference is ads: Cross Sum Mania at none against Number Lab's shown. Number Lab's advantage is update cadence (daily vs every 3 weeks) and device support (3 vs 1). On price 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.
Number Lab ships an update daily, Cross Sum Mania every 3 weeks. The most recent releases landed on October 8, 2026 and October 4, 2026 respectively.
| Parameter | Number Lab | Cross Sum Mania |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Daily — better | Every 3 weeks |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 89 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | FEELCRAFTERS OYUN YAZILIM LIMITED SIRKETI | Gilbert Gonsalves |
In-app purchases
Number Lab
No in-app purchases
Cross Sum Mania
No in-app purchases
Questions
Is Number Lab free?
Is Cross Sum Mania free?
Do Number Lab or Cross Sum Mania have ads?
Which is updated more often, Number Lab or Cross Sum Mania?
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