MOON Fertility vs Brotein
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MOON Fertility
This app helps you understand your fertile window using body temperature data. Track your cycles daily and gain insights into your personal fertility patterns over time.
- Fertile window tracking
- Cycle monitoring
- Body temperature logging
- Personalized cycle insights
- Integration with Salinity device
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MOON is a fertility monitor that helps you know your fertile window better. You can use any body-basal-thermometer and our MOON Salinity device. Measure once every morning and you can keep track of it via the app and after about 1-2 months you will learn how YOUR cycles work.
Brotein
Effortlessly track your daily protein intake without complex calorie counting or distractions. Focus solely on hitting your protein goals with quick logging, AI-powered food scanning, and helpful reminders to maintain consistency and build healthy habits.
- Hit daily protein targets
- Log protein intake in seconds
- Scan food with AI for estimates
- Track progress and streaks
- Receive smart reminders
- Build consistency and discipline
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Most people miss their protein. Now you won’t. Brotein makes it effortless to hit your daily protein target — every single day. No complicated tracking. No calorie obsession. No distractions. Just one thing that matters: Protein. FEATURES • Hit your daily target See exactly how much protein you have left • Log in seconds +20g, +30g, +40g — no typing, no friction • Scan food with AI Instant protein estimates from your meals • Stay on track Always know if you're ahead or behind • Build a streak Don’t break the chain — consistency wins • Smart reminders Get notified before you fall behind This isn’t another fitness app. It’s a system for: • Staying consistent • Building discipline • Actually hitting your goals Every. Day. Start free. Upgrade for full access to all features. If you’re serious about your training, your results, and your consistency… Download Brotein. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: Brotein at 5.0 against MOON Fertility's 1.0. Brotein also leads on update cadence (fortnightly vs every 6 months). MOON Fertility's advantage is in-app purchases (none vs 2) and iOS requirement (9.0 vs 15.0). On price, ratings volume, 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
Both are free to download. Brotein sells 2 in-app purchases, starting at $4.99 per month. MOON Fertility asks for nothing beyond the download.
Brotein holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
MOON Fertility ships an update every 6 months, Brotein fortnightly. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.
| Parameter | MOON Fertility | Brotein |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 6 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 9.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 42 MB | 21 MB |
| Age rating | 17+ | 4+ |
| Developer | Daralabs | Truls Nygaard |
In-app purchases
MOON Fertility
No in-app purchases
Brotein
- Brotein Pro$4.991 Month
- Brotein Pro7 Days trial$39.991 Year
