Flag Solitaire by SZY vs Zero Clash
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Flag Solitaire by SZY
Engage in a unique solitaire game where you match flags to progress. Earn chances to test your knowledge of countries and their flags through timed quizzes. Learn country profiles, capitals, and locations while improving your flag recognition skills.
- Flag matching solitaire gameplay
- Timed country flag quizzes
- Country profile information
- World map location integration
- Leaderboard scores and achievements
- Multi-language support
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(Video demo in Youtube) http://www.youtube.com/watch?v=w7Tmu29rbic (General Introduction) You have two ways to enjoy this game: playing the solitaire or answering the quiz. Yet they are not separated. You need first play the solitaire to get chances for quiz. And you will answer better if you play more. (Number of Countries/Regions) There are totally 175 countries/regions in the game, classified into seven groups by population from high to low, with 25 countries/regions in each group. (Playing the Solitaire Game) Playing the solitaire requires your observation and patience. You are to remove two same flags each time until all flags are removed. If two flags are positioned vertically or horizontally with no other flags existing between them, they are removable. To make flags removable, you can move flags only one time. Your task is to find out the flags that are potentially removable. This is where your observation and patience are required. And you have only one chance for hints. (Answering the Quiz) You will get 0 to 6 chances to answer the quiz after each solitaire, depending how well you finish it. You are to answer 25 questions within 90 seconds. Questions are randomly chosen from group 1 to the group that you have just played. Group 1 is the easiest group and each correct answer gets one point. The higher the group number is, the more the point is. There are two question types. You are to answer either the country/region name when you are given the flag, or on the contrary. The number of straight correct answers is highly weighted in point calculation. (Country Profile) When you tap a flag, you will be informed of the following information about it: Country/Region, Continent, Capital, Population, GDP per capita, and actual location on the world map. Thus, by playing this game, you will not only become an expert of flags, but also you will know much detailed information about each country/region. (Scores) Three types of scores will be reported to the leaderboards in Game Center. They are Best time, total numbers of Completion and Quiz Scores. In addition, achievements have five levels. (Options) 1. Languages: There are totally 12 languages supported. Menu language will be automatically chosen from your device settings. Language of Country profile can be manually chosen from the option menu. 2. Zoom: You can rotate the device to landscape to play the solitaire in full screen. 3. Colors: You can change the screen color among three different colors. 4. Others: You can announce your scores via Email, Facebook or Twitter, and get more chances to answer the quiz. (Related Apps) While related Zhongyuan Mahjong (Solitaire) and ABC solitaire are very challenging and enjoyable games, Flag Solitaire is designed to let you learn something while you enjoy the game.
Zero Clash
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Clear the grid. Reach zero. Master the numbers. Zero Clash is a minimalist puzzle game where every move matters. Instead of building bigger numbers, your goal is simple: carve everything down to exactly zero. HOW TO PLAY Swipe tiles in any direction. When two tiles collide: • Result = Target - Moving tile • Positive? The target stays with a new value • Zero? Both tiles vanish (Perfect Zero!) • Negative? The target freezes for 3 moves Perfect Zero matches award 2x points. Plan your moves carefully to clear the entire grid. FEATURES 50 FREE LEVELS + 5 PREMIUM LEVELS Six worlds of increasing difficulty, from tutorial basics to grandmaster challenges. Each level tests your strategic thinking with unique tile configurations. Worlds 1-5 are completely free with 50 levels. Unlock World 6's 5 exclusive Grandmaster levels with a one-time purchase. INFINITE MODE Endless gameplay where difficulty escalates. Tiles spawn faster and in greater numbers. How long can you survive? STAR RATING SYSTEM Earn up to 3 stars per level. Efficient play = more stars. Can you master them all? PROGRESSIVE DIFFICULTY • World 1-2: Learn the rules (20 free levels) • World 3-4: Master strategies (20 free levels) • World 5: Expert challenges (10 free levels) • World 6: Grandmaster exclusives (5 premium levels) • Infinite Mode: Endless survival CLEAN DESIGN No distractions. No clutter. Just you and the numbers. Focus on the puzzle. PREMIUM UPGRADE One purchase unlocks everything: • Instant access to all worlds (skip the star requirements) • Unlock World 6's 5 exclusive Grandmaster levels • Remove all advertisements permanently • Support indie game development THE CHALLENGE Every grid has an optimal solution. Can you find it? Perfect moves earn 3 stars. Sloppy play fills the grid until you run out of space. Frozen blocks countdown each turn, creating timing puzzles. Chain reactions cascade across the board. One wrong move can block your path. PERFECT FOR • Puzzle enthusiasts who love logical challenges • Math fans who enjoy number games • Players seeking quick 2-minute sessions • Anyone who appreciates elegant game design • Those who want offline, single-player puzzles UNIVERSAL APPEAL Easy to learn, impossible to master. The first levels teach you the rules in seconds. The final levels will test every ounce of your strategic thinking. No timers. No pressure. Take your time to find the perfect solution, or play quickly for a fast challenge. Your choice. Start your journey to Zero Clash. Download now and discover why reaching zero has never been more satisfying.
Screenshots
Verdict
The clearest difference is in-app purchases: Flag Solitaire by SZY at none against Zero Clash's 1. Flag Solitaire by SZY also leads on iOS requirement (15.0 vs 17.0). Zero Clash's advantage is update cadence (daily vs every 3 weeks). On price, 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
Both are free to download. Zero Clash sells 1 one-off in-app purchase. Flag Solitaire by SZY asks for nothing beyond the download.
Flag Solitaire by SZY ships an update every 3 weeks, Zero Clash daily. The most recent releases landed on September 30, 2026 and October 6, 2026 respectively.
| Parameter | Flag Solitaire by SZY | Zero Clash |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (54 ratings) — better | — |
| Positive reviews | 71.9% of reviews | — |
| Number of ratings | 54 — better | — |
| Update frequency | Every 3 weeks | Daily — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 73 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Shen Zhongyuan | Felix Wang |
In-app purchases
Flag Solitaire by SZY
No in-app purchases
Zero Clash
- Premium Upgrade$0.99
Questions
Is Flag Solitaire by SZY free?
Is Zero Clash free?
Do Flag Solitaire by SZY or Zero Clash have ads?
Which is updated more often, Flag Solitaire by SZY or Zero Clash?
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