Comparison

Just a Pet Rock vs GridSync

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Virtual pet care
  • Relaxing gameplay
  • Gentle progression
  • Whimsical world exploration
  • Charming visuals
Features
Read full description

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.

About

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.

Highlights
  • Timed and moves-limited puzzle modes
  • Increasing grid sizes and difficulty
  • Daily challenges
  • Smooth tile gameplay
  • Clean, minimalist design
Features
Read full description

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

Just a Pet Rock3 screens
GridSync4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
Just a Pet Rock versus GridSync: the parameters behind the verdict, then further details
ParameterJust a Pet RockGridSync
PriceFreeFree
Rating5.0 (1 ratings)5.0 (5 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings15 — better
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better18.1
Further details — not scored
Size84 MB23 MB
Age rating4+4+
DeveloperTAVIS ANDREW JOHNSONJonathan Tucker

Customer experience

Just a Pet Rock

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

GridSync

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Just a Pet Rock

No in-app purchases

None

GridSync

No in-app purchases

Questions

Is Just a Pet Rock free?
Just a Pet Rock is free to download, with no in-app purchases.
Is GridSync free?
GridSync is free to download, with no in-app purchases.
Which has better reviews, Just a Pet Rock or GridSync?
Just a Pet Rock and GridSync are both rated 5.0 out of 5 on the App Store, from 1 and 5 ratings respectively.
Do Just a Pet Rock or GridSync have ads?
Just a Pet Rock shows ads; GridSync does not.
Which is updated more often, Just a Pet Rock or GridSync?
Just a Pet Rock ships an update every 3 weeks, and GridSync every 2 months. Most recently, Just a Pet Rock was updated on October 6, 2026 and GridSync on October 12, 2026.

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