must be one vs PUSH
Price, ratings, monetisation and update history for both games, side by side โ with what reviewers say about each.
must be one
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must be one is a number puzzle built on a single rule โ 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 โ 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 โ 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 โ 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 โ 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.
PUSH
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PUSH is a minimalist logic puzzle where every connection matters. Each node shows a number. Your goal is simple: arrange the nodes so that each one has exactly the right number of connections. Simple to understand. Harder to master. PLAY AT YOUR OWN PACE Work through handcrafted logic puzzles and find the correct arrangement. TAKE THE DAILY CHALLENGE A new puzzle every day. One attempt. Think carefully before you make your move. COMPARE YOUR RESULT See how you performed against other players on the global Daily leaderboard. LOOK BACK AT PAST DAYS Explore previous Daily Challenges and their rankings. KEEP THINKING PUSH is designed for short, focused sessions with clean visuals and no unnecessary distractions. One move. One answer. PUSH.
Screenshots
Verdict
must be one and PUSH are too close to call on the numbers: across 6 compared parameters โ price, update cadence, ads and in-app purchases among them โ neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
must be one ships an update every 5 weeks, PUSH monthly. The most recent releases landed on October 6, 2026 and October 29, 2026 respectively.
| Parameter | must be one | PUSH |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks | Monthly โ better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPod โ better | iPhone |
| Requires iOS | 15.6 โ better | 16.4 |
| Further details โ not scored | ||
| Size | 6 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | office-canard games | enginess GmbH |
In-app purchases
must be one
No in-app purchases
PUSH
No in-app purchases









