Comparison

Pet vs chrtz

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

Head to head
About

Pet

Features
Read full description

Transform your fitness journey into an adventure with Pet-Jam – the virtual pet that lives on your Apple Watch and thrives on YOUR real-world exercise! HATCH & EVOLVE Start with a mysterious egg that hatches based on your burned calories. Watch your pet grow through 6 life stages: Egg → Baby → Child → Teen → Adult → Elder. Each evolution is a milestone celebrating YOUR fitness progress! REAL WORKOUTS, REAL REWARDS Pet-Jam syncs with Apple Health to track your active calories. Every calorie you burn becomes food for your pet. Run, walk, swim, or lift – your pet eats what you earn! FEED TO KEEP ALIVE Burn 200+ calories to unlock food. Tap to feed your pet and maintain your streak. But be careful – neglect your pet for 3 days and it may not survive! TRACK YOUR PROGRESS • Daily feeding streaks • Lifetime calories burned • Evolution milestones • Pet longevity records DESIGNED FOR APPLE WATCH Built natively for watchOS with: • Beautiful pixel-art animations • Haptic feedback for every interaction • Quick glances at your pet's status • Daily reminder notifications MOTIVATION THAT WORKS Unlike boring fitness trackers, Pet-Jam gives you an emotional connection to your workouts. You're not just burning calories – you're keeping your digital companion alive and happy! Perfect for: • Fitness beginners seeking motivation • Gamification enthusiasts • Nostalgic Tamagotchi fans • Anyone who needs that extra push to stay active Download Pet-Jam and turn every workout into a reason to care!

About

chrtz

Features
Read full description

A step‑based character ranking app with heatmap visibility and group competition. chrtz turns your steps into rank. Pick your favorite character, compete in solo or group rankings, and climb the leaderboard. Top spots unlock visibility perks—like message highlights and a larger presence on the heatmap. Track progress with Live Activity, earn rewards, and customize your character’s look with avatars and backgrounds. Every step counts, and every rank change is real. Highlights Step‑based solo & group rankings Top‑rank visibility perks (message highlight, heatmap presence) Live Activity for quick progress checks Character customization (avatars & backgrounds) Events and rewards tied to activity

Screenshots

chrtz3 screens

Verdict

The call

The clearest difference is iOS requirement: chrtz at 16.2 against Pet's 18.6. On price, ads, 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

CostPrice · In-app purchases · Ads · Monetization

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

Scorecard1 real difference · 5 level
Pet versus chrtz: the parameters behind the verdict, then further details
ParameterPetchrtz
PriceFreeFree
Update frequency—Weekly
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, Apple WatchiPhone, iPad
Requires iOS18.616.2 — better
Further details — not scored
Size2 MB59 MB
Age rating12+4+
DeveloperKenan FirmansyahSungsu Choi

In-app purchases

None

Pet

No in-app purchases

None

chrtz

No in-app purchases

Questions

Is Pet free?
Pet is free to download, with no in-app purchases.
Is chrtz free?
chrtz is free to download, with no in-app purchases.
Do Pet or chrtz have ads?
Neither Pet nor chrtz shows ads.

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