Zebra Puzzle vs Dozen
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Zebra Puzzle
A logic puzzle game based on the famous Einstein Riddle. Test your deductive reasoning skills to solve a complex riddle about 5 houses, their inhabitants, pets, drinks, and cigarettes. Offers a user-friendly interface to visualize your logical deductions.
- Logic puzzle solving
- Einstein Riddle implementation
- Visual reasoning interface
- Interactive rule crossing out
- Item highlighting
- Hint system
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Most well-known logic puzzle of the last century. The task of the riddle is as follows: there are 5 houses in a row. People of 5 nationalities live in them. Each of the 5 inhabitants keeps a certain pet, drinks a beverage and smokes a brand of cigarettes. Having 15 rules your goal is to solve the riddle and find out everything about the people. It seems quite simple at first sight. But it is sometimes claimed that if you can solve this riddle without different items (including pen and paper) your intellectual nature can be considered as part of 2% of the most intelligent people on earth. If you can not solve the riddle on your own, why not try this application. We offer a user-friendly interface for visualization of logical reasoning. Before you start the game, please read carefully the following statements which may be useful for you: - A double-click on the item will highlight it. It will help you mark the items in the right positions from all those you are not sure of; - You can cross out any of the rules in the list by clicking them. It will help you sort the verified rules out from unverified while doing the puzzle; - Getting the tip please be aware that the item will be placed in the house of the proper color but the house itself may be located in the wrong position relative to the others; - As soon as all the items and houses are in the right positions you will get a notification and the game is over; Good luck with the Riddle! If you want to get more information go to http://en.wikipedia.org/wiki/Zebra_Puzzle Important: Contact us if you have any problems and we will solve it asap.
Dozen
A challenging memory card game where you compete against your iPhone to test and improve your memorization skills. Flip cards, match pairs, and score points before the device outmaneuvers you. Engage in fast-paced, addictive gameplay anytime, anywhere.
- Memory card game
- Compete against iPhone
- Memorize card locations
- Score pairing points
- Fast-paced gameplay
- Sharpen memory
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Dozen is a new kind of memory card game, one in which you play against the iPhone© to prove your memorizing abilities. Flip cards, memorize their locations, and score pairing points before the iPhone© beats you to it. Challenge your mind, sharpen your memory, and engage in fast-paced gameplay that is addictive, right from your pocket. Take Dozen with you wherever you go, pairing off cards as you race against your iPhone©. It’s a great way to travel, unwind after a long day, or simply take a break from the work or studying at hand.
Screenshots
Verdict
The clearest difference is price: Dozen at Free against Zebra Puzzle's $0.99. Dozen also leads on rating (4.9 vs 2.9) and in-app purchases (none vs 2). Zebra Puzzle's advantage is update cadence (every 3 weeks vs every 5 months) and iOS requirement (12.0 vs 15.0). On ratings volume, ads 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
Dozen is free to download; Zebra Puzzle costs $0.99 up front. Zebra Puzzle sells 2 one-off in-app purchases. Dozen asks for nothing beyond the download.
Dozen holds the better App Store score, 4.9 against 2.9. Both are backed by a comparable volume of ratings — 17 and 21 respectively. Written reviews point the same way: 74% of Zebra Puzzle's written reviews are positive against 97% of Dozen's.
Zebra Puzzle ships an update every 3 weeks, Dozen every 5 months. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.
| Parameter | Zebra Puzzle | Dozen |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 2.9 (17 ratings) | 4.9 (21 ratings) — better |
| Positive reviews | 73.7% of reviews | 96.6% of reviews — better |
| Number of ratings | 17 | 21 — better |
| Update frequency | Every 3 weeks — better | Every 5 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 27 MB | 29 MB |
| Age rating | 12+ | 17+ |
| Developer | Anatoliy Voropay | Igor Fedorov |
Customer experience
Zebra Puzzle
Dozen
Bugs and requests
Zebra Puzzle
Reported bugs
9 issues- Only one puzzle available
- Game does not advance to the next level
- UI is difficult to work with
- Cannot mark or lock in answers easily
- Solutions are not persistent
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- App is stuck on the first or second screen
- Clues do not match the answers
- Grammatical errors in the rules description
- No reaction from the program after completing conditions
Requested features
7 requests- More puzzles
- Multiple games and difficulty levels
- Better UI for marking answers
- Option to move individual facts or all related facts
- Rules displayed without delay
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- Larger font for rules
- Add scroll for rules
Dozen
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Zebra Puzzle
- 1 Tip$0.99
- 3 подсказки$1.99
Dozen
No in-app purchases
