Number+ vs must be one
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Number+
Sharpen your mathematical and logical abilities with this engaging puzzle game. Solve numerous challenging puzzles by making row and column sums match the provided totals. Enjoy hours of addictive gameplay with tricky solutions.
- Challenging math puzzles
- Logic-based gameplay
- Addictive and fun
- Row and column sum matching
- Tricky solutions
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Check your math skills and logic power with new Number+ game: - tons of challenging puzzles; - hours of addictive gameplay; - endless fun and tricky solutions HOW TO PLAY: Make the sums of lit numbers in every row and column equal to the totals set aside.
must be one
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must be one is a number puzzle built on a single rule — the one in its name. A grid of numbers. Four operators. Combine neighboring tiles with arithmetic and collapse the whole board down to a single 1. That's the entire game: all becomes one. It reads as obvious for about three moves. Then it doesn't. - One rule, no filler — no twenty-minute tutorial, no menus to dig through. You understand it in seconds and spend the rest of your time actually thinking. - Always solvable — every stage is generated so that a solution is guaranteed to exist before you ever see it. If you're stuck, that's on you, not the board. - A climb that keeps widening — early stages stay in single digits; later ones open the range up and the arithmetic gets meaner. - Free, and quick to pick up. One stage on the train; look up an hour later. From office-canard — a one-person studio making small, system-first games. If this one gets its hooks in, there are more small games where it came from.
Screenshots
Verdict
The clearest difference is ads: Number+ at none against must be one's shown. Number+ also leads on iOS requirement (8.0 vs 15.6). On price, in-app purchases and device support 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.
| Parameter | Number+ | must be one |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (20 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 20 — better | — |
| Update frequency | — | Every 5 weeks |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 55 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | ANDREY NOVIKOV | office-canard games |
In-app purchases
Number+
No in-app purchases
must be one
No in-app purchases









