nailgrow vs Marumimi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
nailgrow
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nailgrow is an app designed to help you overcome nail biting and support healthy natural nail growth. With simple daily tracking, you can visualize your progress and stay motivated to improve consistently. If you’ve been struggling to quit nail biting but find it difficult to stop, this app is here to support you. The developer also uses nailgrow personally and is committed to continuously improving the app to make it even more user-friendly and effective. Download nailgrow today and we’d love to hear your feedback!
Marumimi
This app uses a virtual pet to encourage healthy eating habits. Users photograph their meals, and the app analyzes nutritional content, affecting the pet's happiness and earning badges. It offers a history of meals, streak tracking, and a playdate mode for shared goals.
- Virtual pet responds to diet
- Automatic nutritional analysis
- Meal history with photos
- Healthy eating streak tracking
- Nutrient badges
- Playdate mode for shared goals
- Companion customization
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Eat well. Keep your pet happy. Marumimi is the nutrition tracker that gives you a reason to care. Snap a photo of your meal and watch your virtual companion light up. Because the better you eat, the happier they get. How it works Photograph any meal and Marumimi analyses its nutritional breakdown automatically. Your pet reacts in real time: healthy choices boost their happiness, and every nutrient you hit earns a badge. It's not just tracking. It's a relationship. Features - A companion that responds to your diet. Your pet's mood, energy, and reactions are tied directly to what you eat. Feed them well and watch them thrive. - Your full meal history. Every meal logged in one place, with photos, calorie counts, and a complete nutritional breakdown. - Healthy eating streaks. Build day-by-day consistency and watch your streak grow. Miss a day and your pet feels it too. - Nutrient badges. Earn a badge for every nutrient you hit your target on. Protein, fibre, iron, calcium - collect them all. - Playdate mode. Connect with a friend or partner and work toward a shared nutrition goal together. See each other's meals, cheer each other on, and grow healthier side by side. - Choose your companion. Pick the loyal companion that suits you best and make the journey your own. Who it's for If you've tried habit trackers and found them cold, or food logs and found them boring, Marumimi is built for you. The pet gives your nutrition a face, and that small emotional connection makes all the difference. Download Marumimi and start eating well. Your companion is waiting.
Screenshots
Verdict
The clearest difference is update cadence: Marumimi at every 3 days against nailgrow's fortnightly. 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
nailgrow ships an update fortnightly, Marumimi every 3 days. The most recent releases landed on October 25, 2026 and October 14, 2026 respectively.
| Parameter | nailgrow | Marumimi |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Fortnightly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 63 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | makanai.fish | Yicheng Wang |
In-app purchases
nailgrow
No in-app purchases
Marumimi
No in-app purchases









