Dark Math vs Prime Sweep
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Dark Math
A challenging math puzzle game designed to sharpen your logic and reasoning skills. Place number cards to solve equations, from simple to highly complex, with difficulty that scales to push your limits.
- Logic and reasoning training
- Diverse difficulty levels
- Equation solving puzzles
- Number card placement gameplay
- Suitable for all ages
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"Dark Math" is a challenging math puzzle game designed to train your brain's logic and reasoning skills. Place the given number cards into empty slots to complete the equation and solve the puzzle. From simple problems like "2 + 3 = 5" to highly complex equations such as "9.64 / 4.23 + 3.11 * 1.1 - 0.5 = 6.65 / 1 - 1.43," the difficulty scales to push your limits. Game Features 1. Diverse Difficulty Levels: Start with easy puzzles, but be prepared for some challenges that might take minutes, days, or even months to solve. 2. Brain Training: Go beyond basic arithmetic with puzzles that push your logical thinking and reasoning skills to the max. 3. For All Ages: Whether you're a kid, student, professional, or senior, this game is perfect for keeping your mind sharp. How to Play Use cards with numbers and operators to fill the empty slots and complete the equation. Some puzzles are straightforward, but others involve over 20 numbers and 10 operators, requiring deep thought and careful planning. As the famous saying goes, "No pain, no gain," challenge yourself with "Dark Math" puzzles and grow your logic, reasoning, and intelligence while tackling tough equations!
Prime Sweep
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The Ultimate Prime-Merging Challenge. Prime Sweep is a minimalist 5x5 puzzle that rewards deliberate planning over random swipes. Merge your way to victory using unique prime-number rules in a sleek, tactile environment designed for logic lovers. CORE MECHANICS: Unique Merge Rules: 2 + 3 → 5. For values ≥ 5, merge identical tiles (a + a → 2a) . The Sweep Power: Feeling crowded? Use a Sweep to instantly clear all 2s and 3s from the board . Planning First: A 3-tile upcoming queue and live drag previews let you see the future before you commit to a move . WHY YOU'LL LOVE IT: Tactile Feedback: Event-based haptics and smooth 0.14s animations make every merge feel satisfying . Clean Design: A focused 5x5 grid with a minimalist palette—no unnecessary clutter, just pure logic . Pick Up & Play: No internet required. Perfect for short sessions or deep strategic sessions.
Screenshots
Verdict
The clearest difference is ads: Prime Sweep at none against Dark Math's shown. Dark Math's advantage is iOS requirement (13.0 vs 16.6). On price, 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 | Dark Math | Prime Sweep |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (8 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 4 days | — |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 175 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Redev Inc. | Andres Castro |
In-app purchases
Dark Math
No in-app purchases
Prime Sweep
No in-app purchases









