A vs Prime Flow
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
A
A daily logic puzzle where you arrange pieces to form the current date. Earn in-game currency to unlock new sets and use special passes to solve past dates. Offers a premium version for extended date access.
- Daily date puzzle
- Earn dragon-coins and trophies
- Buy custom puzzle sets
- Use hint tickets
- Solve past dates with time machine passes
- Save solutions
- Multi-language support
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This is the official app by the inventors of the original A-Puzzle-A-Day, DragonFjord's internationally best-selling puzzle. Just place the 8 pieces into the calendar frame to make today's date. Every day is possible! This app is loaded with great features: • Win dragon-coins and trophies for your solutions • Use your coins to buy custom sets – 30 to choose from! • Need a hint? You've got hint tickets! • Miss a day? Use time machine passes to solve for yesterday! • Save your solutions in the solution bank! • Choose from 11 different languages on your calendar frame. • Light and dark modes • Earn bonuses for more challenging days • Smooth and intuitive piece movement • Premium version – solve for any date in the past 365 days! Warning: this puzzle is highly addictive!
Prime Flow
Explore the fascinating world of prime numbers through a minimalist puzzle game. Learn number theory through engaging gameplay, discovering patterns and unlocking lore. Designed for calm concentration and a playful approach to mathematical concepts.
- Explore prime patterns
- Learn through experimentation
- Unlock progression and lore
- Track accomplishments
- Clean interface for concentration
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Prime Flow is a minimalist puzzle game built around one of the strangest structures in mathematics: prime numbers. Play by testing, predicting, and navigating prime patterns as the game teaches you to see number theory—through motion, rhythm, and discovery. What you can do • Explore prime patterns through fast, focused play • Learn by experimentation (no worksheets, no lectures) • Unlock progression and “Prime Lore” as you advance • Track accomplishments through achievements and milestones • Enjoy a clean interface designed for calm concentration Who it’s for • puzzle players who like logic and pattern recognition • students and teachers who want a playful way into primes • anyone who finds beauty in numbers Prime Flow doesn’t try to make math “easy.” It tries to make it fun.
Screenshots
Verdict
The clearest difference is price: A at Free against Prime Flow's $0.99. A also leads on ratings volume (11 vs 1) and iOS requirement (12.0 vs 26.1). Prime Flow's advantage is in-app purchases (none vs 8) and review sentiment (100% vs 67%). On rating, 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
A is free to download; Prime Flow costs $0.99 up front. A sells 8 one-off in-app purchases. Prime Flow asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.0 for A against 4.0 for Prime Flow. That said, the two scores are not equally well evidenced: A has 11 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 67% of A's written reviews are positive against 100% of Prime Flow's.
| Parameter | A | Prime Flow |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.0 (11 ratings) | 4.0 (1 ratings) |
| Positive reviews | 66.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 11 — better | 1 |
| Update frequency | Every 5 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 26.1 |
| Further details — not scored | ||
| Size | 162 MB | 194 MB |
| Age rating | 4+ | 4+ |
| Developer | Matematikkbolgen AS | Ben Bedard |
Customer experience
A
Prime Flow
In-app purchases
A
- 3x Time machine passes$0.99
- 100 coins$1.99
- 300 coins$2.99
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- 10 Time machine passes$2.99
- 1000 coins$3.99
- Booster Pack$4.99
- Premium$5.99
- Puzzle Bundle$19.99
Prime Flow
No in-app purchases









