Pixfin vs StepDerby
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pixfin
This app combines a step tracker with a virtual aquarium. It creates a personalized walking plan based on your activity and rewards your progress with a growing digital pet. Collect various creatures and visualize your fitness journey.
- Personalized walking plan
- Virtual aquarium with growing creatures
- Step tracking via Apple Health
- Collectable creatures
- Home, Lock Screen, and Apple Watch widgets
- No streaks, no penalties for missed days
Read full descriptionHide full description
Walk more. Grow a companion. Pixfin is a cozy step tracker with a tiny aquarium inside: a walking plan made for you, and a little creature that grows with every step. HOW IT WORKS 1) Pick a creature and give it a name 2) Answer a few questions to build your plan 3) Walk - Pixfin reads your steps from Apple Health YOUR PLAN Your daily goal starts a few minutes above your usual walk. Walk it, and it rises a little each week toward 8,000 steps a day, a target backed by research. WHAT TO EXPECT - A daily goal you can actually hit, set from your own week - Your first creature fully grown in 4 to 8 days of normal walking - A weekly chart showing how your walking changes WHAT YOU GET - 32 real creatures to collect, from a goldfish to a pink river dolphin - Home Screen, Lock Screen and Apple Watch widgets - No streaks. Miss a day and you lose nothing. - Your steps are never shared. No ads, no tracking. Pixfin requires a subscription. Yearly starts with a 7-day free trial for new subscribers. Cancel anytime. Terms of Use: https://rjlabs.app/pixfin/v2/terms.html Privacy Policy: https://rjlabs.app/pixfin/v2/privacy.html
StepDerby
Read full descriptionHide full description
StepDerby makes walking feel like a small friendly race. Pick a cat, start a challenge, and watch your progress move across the track as your real steps update from Apple Health. Build a daily habit with a race view that is light, playful, and easy to read. StepDerby keeps the focus on challenge progress, cute cats, and simple motivation instead of complicated fitness charts. Features: - Cat race progress powered by Apple Health step count - Daily walking challenges - Local race history and friendly status updates - Home Screen widgets for quick progress checks - Apple Watch app and complications for latest race summaries - Shared-race invite flow for beta testing small friend groups Privacy matters. StepDerby does not use ads, does not track you across apps or websites, and does not sell user data. Apple Health step count is used to power the race experience.
Screenshots
Verdict
The clearest difference is price: Pixfin at Free against StepDerby's $0.99. StepDerby's advantage is in-app purchases (none vs 5) and iOS requirement (17.0 vs 26.0). On ads 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
Pixfin is free to download; StepDerby costs $0.99 up front. Pixfin sells 5 in-app purchases, starting at $9.99 per month. StepDerby asks for nothing beyond the download.
| Parameter | Pixfin | StepDerby |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 days | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Subscription | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, Apple Watch |
| Requires iOS | 26.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 181 MB | 74 MB |
| Age rating | 4+ | 4+ |
| Developer | RJ Labs, MB | Odir Henry Perez |
In-app purchases
Pixfin
- Pixfin Premium Monthly$9.991 Month
- Pixfin Premium Yearly Offer3 Days trial$22.991 Year
- Pixfin Premium7 Days trial$44.991 Year
- Color Morph$0.99
- Pixfin Premium Lifetime$79.99
StepDerby
No in-app purchases









