Just a Pet Rock vs GridSync
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Just a Pet Rock
Care for a virtual pet rock at your own pace in a calming adventure. Feed, clean, and rest your rock as it grows stronger in a whimsical world. This relaxing game offers gentle progression and charming visuals for quiet moments.
- Virtual pet care
- Relaxing gameplay
- Gentle progression
- Whimsical world exploration
- Charming visuals
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A cozy virtual pet adventure Meet your very own pet rock and take care of it at your own pace. Feed it, clean it, let it rest, and watch it grow stronger as you explore a calm, whimsical world together. Pet Rock is a relaxing virtual pet game designed for quiet moments. There’s no rush, no pressure—just gentle progression, charming visuals, and a rock that appreciates your care.
GridSync
Engage your mind with a strategic tile-matching puzzle game featuring two distinct modes: timed challenges and move-limited puzzles. Progress through increasingly complex grids and daily challenges, all presented with a clean, minimalist design.
- Timed and moves-limited puzzle modes
- Increasing grid sizes and difficulty
- Daily challenges
- Smooth tile gameplay
- Clean, minimalist design
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Challenge your brain with a unique tile-matching puzzle experience! GridSync combines strategy, speed, and precision across two exciting game modes: • Timed Mode – Race against the clock to complete each puzzle before time runs out • Moves Mode – Think ahead and solve each puzzle within a limited number of moves As you progress, unlock larger and more challenging grids, pushing your problem-solving skills to the limit. FEATURES: • Smooth and satisfying tile gameplay • Increasing difficulty and grid sizes • Two distinct game modes for different playstyles • Daily challenges to test your skills • Clean, minimal design focused on gameplay Support the game through ads, or remove them anytime with a one-time purchase. Whether you prefer fast-paced action or careful planning, GridSync has a challenge for you.
Screenshots
Verdict
The clearest difference is ads: GridSync at none against Just a Pet Rock's shown. GridSync also leads on monetization model (free vs ad-supported) and ratings volume (5 vs 1). Just a Pet Rock's advantage is update cadence (every 3 weeks vs every 2 months) and iOS requirement (15.1 vs 18.1). On price, rating, review sentiment and in-app purchases 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.
On the App Store both sit at effectively the same score — 5.0 for Just a Pet Rock against 5.0 for GridSync. That said, the two scores are not equally well evidenced: GridSync has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.
Just a Pet Rock ships an update every 3 weeks, GridSync every 2 months. The most recent releases landed on October 6, 2026 and October 12, 2026 respectively.
| Parameter | Just a Pet Rock | GridSync |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (5 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 1 | 5 — better |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 18.1 |
| Further details — not scored | ||
| Size | 84 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | TAVIS ANDREW JOHNSON | Jonathan Tucker |
Customer experience
Just a Pet Rock
GridSync
In-app purchases
Just a Pet Rock
No in-app purchases
GridSync
No in-app purchases









