Stack 101 Tower vs Quartet
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Stack 101 Tower
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Stack 101 Tower: The Boba Challenge Eyes of a Hawk. Hands of a God. Can you reach 101? Stop playing casual. Stack 101 Tower is the ultimate test of precision and speed. No more excuses—without razor-sharp eyesight and lightning reflexes, you'll never survive the climb. • God-Tier Precision: One pixel off, and it’s game over. Only the elite can maintain the balance. • Rapid Reflexes: The higher you go, the faster it gets. Do you have the speed to keep up? • The Ultimate Reward: Only a true Stacking King can reach Floor 101 to claim the legendary Pearl Milk Tea. The Boba is at the top. Are you fast enough to take it?
Quartet
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Four photographs. One word connects them. That is the whole game, and it is harder than it sounds. Quartet is a word puzzle built one level at a time. Every one of its 200 levels was written by hand and its photographs chosen to sit exactly on the edge between obvious and impossible. The early levels show you a thing from four sides. The later ones stop being about objects at all: four unrelated scenes that share a property, and the connection is the puzzle. What is inside • 200 levels, each with four photographs and one answer • Three languages, and the language is real: English, Russian and Azerbaijani each have their own words and their own hints, not a machine translation of one list • A daily challenge, one puzzle a day, with a streak worth keeping • Duels: play the same photographs against a friend by room code, each of you in your own language, fastest answer takes the round • A global ranking, and the option to erase yourself from it whenever you like Hints, if you want them Reveal a letter, clear the wrong letters from the pool, or give up and see the word. Each costs points you earned by solving. Nothing is locked behind a purchase, because there are no purchases. What it does not do No account, no e-mail, no password. Nothing to buy. Your progress lives on your phone and on our server under a random identifier that is not connected to you, and there is a button inside the app that deletes it for good. Four photographs. One word connects them. That is the whole game, and it is harder than it sounds. Quartet is a word puzzle built one level at a time. Every one of its 200 levels was written by hand and its photographs chosen to sit exactly on the edge between obvious and impossible. The early levels show you a thing from four sides. The later ones stop being about objects at all: four unrelated scenes that share a property, and the connection is the puzzle. What is inside • 200 levels, each with four photographs and one answer • Three languages, and the language is real: English, Russian and Azerbaijani each have their own words and their own hints, not a machine translation of one list • A daily challenge, one puzzle a day, with a streak worth keeping • Duels: play the same photographs against a friend by room code, each of you in your own language, fastest answer takes the round • A global ranking, and the option to erase yourself from it whenever you like Hints, if you want them Reveal a letter, clear the wrong letters from the pool, or give up and see the word. Each costs points you earned by solving. Nothing is locked behind a purchase, because there are no purchases. What it does not do No account, no e-mail, no password. Nothing to buy. Your progress lives on your phone and on our server under a random identifier that is not connected to you, and there is a button inside the app that deletes it for good. The game is free and supported by ads. You can watch a video for points if you want them, and there is an occasional full-screen ad between levels. Ad content is capped at the "everyone" rating, and categories that have no business in a puzzle game are blocked. The game is free and supported by ads. You can watch a video for points if you want them, and there is an occasional full-screen ad between levels. Ad content is capped at the "everyone" rating, and categories that have no business in a puzzle game are blocked.
Screenshots
Verdict
The clearest difference is iOS requirement: Stack 101 Tower at 12.0 against Quartet's 15.0. On price, ads, 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 | Stack 101 Tower | Quartet |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days | — |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 54 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | ZHENG YU-XIANG | DigitX MMC |
In-app purchases
Stack 101 Tower
No in-app purchases
Quartet
No in-app purchases








