Math Rings vs Stackz
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Math Rings
This mathematics game presents puzzles with simple number equations arranged in a circular system. Players rearrange cells to solve equations, with solved rows turning green. Puzzles are rated based on completion speed.
- Simple number equations
- Circular cell arrangement
- Solve equations in multiple directions
- 99 levels with unlimited puzzles
- Star rating based on speed
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Math Rings FREE is a mathematics game containing simple number equations. Every puzzle in this game has total of four equations to be solved. There are 17 cells arranged in a circular system. Eight cells in the outer most ring, eight cells in the middle ring and one cell at the center. The goal of the puzzle is to arrange the circular cells in such a way that all rows solve a mathematical equation. The equations can be solved from "left to right", "right to left", “top to bottom”, or “bottom to top”. The centermost cell is stationary. Cells of middle ring can be swapped with other cells from middle ring; similarly, cells of outermost ring can be swapped with other cells in the outermost ring. When an equation is solved, the corresponding row cells turn green in color. A selected puzzle is solved once all the equations in that puzzle are solved. Each solved puzzle is rated (1 – 5 Stars) based on how quickly the puzzle was solved. Features: * 99 different levels with unlimited puzzles in each level. * Unlimited puzzles to be solved in this version.
Stackz
A relaxing puzzle game where players stack colored rings on a board. Match three rings of the same color in a line or a full stack to make them explode and score points. It's a simple yet challenging experience.
- Color ring stacking
- Match 3 gameplay
- Exploding ring mechanics
- Relaxing puzzle experience
- High score challenges
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This is a very simple and relaxing game of color circle and stacks. It's combined from match 3 games and color lines. User have to put the color ring on one in nine stack on the board. One spot can stack maximum 3 rings in different sizes, color doesn't matter. When 3 same color rings form a line or a full stack, they will explode and score up. Is this simple ? Yes, but not easy to get high score as you think! Try it, feel it and chilling with it - Stackz: Put the Rings on! Have fun, HALA Games
Screenshots
Verdict
The clearest difference is in-app purchases: Math Rings at none against Stackz's 1. Math Rings also leads on review sentiment (100% vs 71%). Stackz's advantage is update cadence (every 3 weeks vs every 20 months) and iOS requirement (8.0 vs 15.0). On price, rating, ratings volume and ads 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. Stackz sells 1 one-off in-app purchase. Math Rings asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.2 for Math Rings against 4.1 for Stackz. Both are backed by a comparable volume of ratings — 5 and 8 respectively. Written reviews are what separate them: 100% of Math Rings's written reviews are positive against 71% of Stackz's.
Math Rings ships an update every 20 months, Stackz every 3 weeks. The most recent releases landed on October 16, 2026 and October 13, 2026 respectively.
| Parameter | Math Rings | Stackz |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (5 ratings) — better | 4.1 (8 ratings) |
| Positive reviews | 100.0% of reviews — better | 71.4% of reviews |
| Number of ratings | 5 | 8 — better |
| Update frequency | Every 20 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 20 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Rajinder Singh | Ha Dong |
Customer experience
Math Rings
Stackz
In-app purchases
Math Rings
No in-app purchases
Stackz
- No Ads$1.99
