Nemunmo vs Petdometer
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Nemunmo
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Make sleep something to look forward to. Nemunmo is a sleep-tracking and raising app where you review your daily sleep while caring for your partner, Nemunmo. Sleep data recorded in the Health app becomes EXP for your Nemunmo. The better you sleep, the more your Nemunmo grows, and your sleep patterns can lead it to evolve into a new form. Add a little more joy to bedtime, even on your busiest days. Build healthier sleep habits together with a Nemunmo of your own. KEY FEATURES • View sleep duration and sleep stages in easy-to-read charts • Review your daily sleep score and trends • Earn EXP based on how long you sleep • Raise and evolve your Nemunmo • Check sleep and growth from the Apple Watch app • View your sleep score and level with watch-face widgets • Photograph and share your favorite Nemunmo • Enjoy login bonuses and raising items Apple Watch is required to use this app. This app is not a medical device and is not intended to diagnose, treat, or prevent any medical condition.
Petdometer
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Turn your steps into a growing pet! The more you walk, the more your pet grows! Petdometer turns your everyday steps into a fun pet-growing adventure. Walk, collect steps, complete missions, and watch your adorable pet grow through different stages. * Walk to grow your pet Your daily steps help your pet grow. Every little walk brings you closer to the next stage. * Raise your adorable pet Watch your pet change and grow as you keep walking. Make every step part of your pet’s journey. * Complete missions and collect coins Take on daily missions, earn coins, and discover items along the way. * Customize your little space Use the items you collect to decorate your pet’s space and create a cozy world of your own. *Build a walking habit, one step at a time You don’t need a big workout to get started. Just walk a little each day and let your pet grow with you. Walking is more fun when you have a little companion cheering you on. Take a step and grow together!
Screenshots
Verdict
The clearest difference is ads: Nemunmo at none against Petdometer's shown. Petdometer's advantage is iOS requirement (16.4 vs 18.5). 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. Neither carries in-app purchases, so what you see is what you pay.
Nemunmo ships an update every 2 days, Petdometer every 4 days. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.
| Parameter | Nemunmo | Petdometer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days — better | Every 4 days |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Requires iOS | 18.5 | 16.4 — better |
| Further details — not scored | ||
| Size | 123 MB | 76 MB |
| Age rating | 4+ | 4+ |
| Developer | Fumiya Shigehara | Eunae Kim |
In-app purchases
Nemunmo
No in-app purchases
Petdometer
No in-app purchases








