Bullpen vs Sharp Eye
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Bullpen
This logic puzzle game combines elements of Sudoku and Minesweeper. Place bulls according to specific rules, with increasing difficulty options. Enjoy daily challenges and an ad-free experience.
- Place one bull per pen, row, and column
- Bulls cannot touch each other (diagonally included)
- Hard mode: two bulls per pen, row, and column
- Ad-free and privacy-focused gameplay
- Daily new puzzles
- Pro Mode with 5,000+ levels and Free Play
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Welcome to Bullpen – a clean, logic-based puzzle game where every bull must be placed just right. It's like Sudoku meets Minesweeper. Simple Rules, Deep Strategy – Place one bull per pen, row, and column – Bulls cannot touch each other, even diagonally – For extra difficulty, hard mode requires two bulls per pen, row, and column Ad-Free & Privacy-Focused – Enjoy uninterrupted gameplay with no ads and complete data privacy – Also doesn't require internet to play Daily Puzzles – New puzzles every day to keep your mind engaged – See if you can get the fastest time Pro Mode – Access all 5,000 levels + unlock Free Play mode – Advanced statistics and sync progress across devices with iCloud Why Bullpen? – Minimalist design for a focused, enjoyable experience – Easy to learn yet challenging enough to satisfy puzzle enthusiasts – Ideal for both quick sessions and longer play times Ready to test your logic? Download Bullpen now and start solving puzzles your way!
Sharp Eye
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Same shape, same color — or is it? Sharp Eye is a visual matching game that starts simple and quietly becomes a memory gauntlet. Pairs of shapes appear inside semi-transparent squares. Instant decision: are they the same in both shape and color? Decide fast — the clock is running. Then the twist kicks in: after every answer the figures slide left and start vanishing. The further you go, the less you see — and the more you must remember. When only one figure remains on screen, that's where the real challenge begins. HOW TO PLAY • Judge each pair: same shape AND color — yes or no • Answer before time runs out • Figures slide off one by one as you play • Recall what you already saw when the screen empties WHY YOU'LL LOVE IT • One decision per second — instant to learn, tough to master • Combines visual matching with short-term memory in one loop • Difficulty rises with every correct answer • Blazing quick rounds — focus training in under a minute • Clean, minimal look with zero distractions A WORKOUT IN ATTENTION TO DETAIL Judging sameness trains selective attention and visual discrimination — the skills behind proofreading, quality checks and noticing what others miss. The vanishing-figure twist adds working memory on top. Two workouts, one game. WHO IS IT FOR? Fans of spot-the-difference, matching puzzles, reaction and focus games. Kids sharpening their eye, adults and seniors training theirs. The screen is fading — how far can you go? Download free and find out! Subscriptions Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is ads: Bullpen at none against Sharp Eye's shown. Bullpen also leads on update cadence (weekly vs monthly). Sharp Eye's advantage is iOS requirement (13.0 vs 17.2). 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. Bullpen sells 1 one-off in-app purchase and Sharp Eye sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
Bullpen ships an update weekly, Sharp Eye monthly. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.
| Parameter | Bullpen | Sharp Eye |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (1.5K ratings) — better | — |
| Positive reviews | 94.9% of reviews | — |
| Number of ratings | 1.5K — better | — |
| Update frequency | Weekly — better | Monthly |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.2 | 13.0 — better |
| Further details — not scored | ||
| Size | 38 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | David Williames | Ivan Gastilovic |
Bugs and requests
Bullpen
Reported bugs
2 issues- Annoying bull sound effect
- Difficulty progression issues (needing to replay lower levels)
Requested features
3 requests- More levels for free version
- Auto-placement tool for faster solving
- Additional customization options (colors, markings)
Sharp Eye
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Bullpen
- Pro Version$4.99
Sharp Eye
- 1 Month No Ads Subscription$0.991 Month
- 6 Months No Ads Subscription$4.996 Months
- 1 Year No Ads Subscription$8.991 Year









