Sheep Duck vs Vivemory
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Sheep Duck
Defend a peaceful pond from swarming sheep and fierce wolves in this casual strategy game. Upgrade weapons, recruit friends with unique skills, and build a thriving farm with battle rewards. Enjoy thrilling defense battles with a charming, strategic twist.
- Day and night enemy cycles
- Variety of unique upgradable weapons
- Recruit friends with unique skills
- Build and grow your own farm
- Casual yet strategic gameplay
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Stop the sheep from taking over Deoksu's Pond! Sheep have begun swarming toward Deoksu's peaceful pond. Don’t be fooled by their cute looks. They'll keep coming until the pond is theirs! Upgrade your weapons, gather your friends, and experience thrilling defense battles against endless waves of sheep. ■ Sheep by Day, Wolves by Night Stages change between day and night. By day, sheep charge in to take over the pond. By night, fierce wolves emerge from the darkness. Hold off a variety of enemies and enjoy intense defense battles. ■ Build Your Own Defense Strategy with Unique Weapons The game features a wide variety of unique weapons. The flow of battle changes depending on which weapons you upgrade and how you use them. Power up, take down enemies faster, and protect Deoksu's Pond with the right weapon combinations for each situation. ■ Deoksu Isn't Alone! Friends Join the Fight Deoksu has a group of reliable friends by his side. As you progress through stages, new friends will join the battle and help Deoksu with unique skills. Team up with charming friends and build an even stronger defense line. ■ Build and Grow Your Own Farm Use rewards obtained from battles to develop Deoksu's farm. Construct and upgrade buildings to transform a small, peaceful farm into a lively community. As your farm grows, visitors will begin to arrive. Sit back, relax, and enjoy the satisfying experience of watching your farm grow. ■ Cute, Casual, and Full of Strategy Easy to pick up, but the deeper you go, the more important strategy becomes. Choose weapons to upgrade, friends to bring along, and when to power up your defenses to overcome increasingly challenging battles. A charming casual defense game featuring adorable animal companions. Join Deoksu today and protect the pond!
Vivemory
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Vivemory is a calm tile-matching game designed to exercise your focus and recall through quick, replayable sessions. Classic - Match every pair on a classic 4 × 4 board while the difficulty adapts to your recent performance. Every round begins when you are ready, and your personal bests and completed games are saved so you can follow your progress over time. Vivemory Pro Lifetime A one-time Vivemory Pro Lifetime purchase permanently unlocks Levels and Zen, with no subscription. Levels - Features 15 handcrafted challenges with sequential progression and mastery marks. As you advance, you’ll encounter new objectives, larger boards, unusual layouts, distractors, and closely related symbols that put your attention and recall to the test. Zen - A relaxed approach, no stress and clear your mind. No timers, ratings, and scoring pressure. Study each board for as long as you like, choose your preferred board size, and use hints whenever you need them. iCloud sync is supported for game progress and scores. Privacy Policy Vivemory is built with privacy in mind. • Your game progress is stored securely on your device and, when signed in, in your private iCloud account. • We do not collect, track, or sell your data.
Screenshots
Verdict
The clearest difference is ads: Vivemory at none against Sheep Duck's shown. Sheep Duck's advantage is iOS requirement (15.0 vs 26.0). On price, update cadence, 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. Sheep Duck sells 9 one-off in-app purchases and Vivemory sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Sheep Duck ships an update every 9 days, Vivemory every 2 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | Sheep Duck | Vivemory |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (152 ratings) — better | — |
| Positive reviews | 73.5% of reviews | — |
| Number of ratings | 152 — better | — |
| Update frequency | Every 9 days — better | Every 2 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 438 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | SuperMagic | Lionel Ng |
In-app purchases
Sheep Duck
- Gem Bundle 600$1.99
- Starter Bundle$1.99
- Rank 2 Gun Bundle 1$4.99
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- Rank 3 Gun Bundle 1$4.99
- Rank 2 Gun Bundle 2$9.99
- Rank 3 Gun Bundle 2$9.99
- Vip Package$9.99
- Gem Bundle 3300$9.99
- Gem Bundle 8500$24.99
Vivemory
- Pro Lifetime$9.99









