PatchDay vs Mona
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PatchDay
Manage your hormone replacement therapy (HRT) medication schedule with this iOS app. It supports various HRT methods including transdermal patches, pills, injections, and gels. Easily organize your medication rotation for consistent and effective treatment.
- HRT medication scheduling
- Patch staggering support
- Pill, injection, and gel HRT
- Site rotation management
- Transdermal patch tracking
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An iOS app for managing HRT medication schedules. Pairs well with the "patch staggering" technique for transdermal patches. Also supports Pills, Injection-based HRT, and Gel-based HRT. Order the site schedule to match the sites you want to rotate through.
Mona
This app helps you manage your hormonal health by tracking medications and visualizing hormone levels. It prioritizes privacy with local data storage and is completely free and open-source.
- Local data storage for privacy
- Open-source for transparency
- Medication reminders and tracking
- Medication stock management
- Hormone level graphing
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Take control of your hormonal health with Mona, the fully local, open-source app designed to help you track, understand, and manage your hormone journey. Why Mona is different: - Completely private: All your data stays on your device. Nothing is sent to servers. - Open source: The app is fully open source, allowing maximum transparency and contributions from the community. - Free for life: No subscriptions, no premium features. Mona is free for everyone. Medication reminders: - Add your medication regimens - Get detailed info for each upcoming dose (quantity, date, side, missed doses) - Receive notifications so you never miss a dose Manage your medication stock efficiently: - Keep track of each medication in stock - Quantities are automatically updated with each intake Hormone level graphs: - For users on estradiol monotherapy, visualize simulated hormone levels over time
Screenshots
Verdict
PatchDay and Mona both sit at 5.0 stars, but that hides the real split: 100% of Mona's written reviews are positive against 46% of PatchDay's. Mona also leads on ratings volume (10 vs 2) and iOS requirement (15.0 vs 18.6). On price, rating, update cadence and ads 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.
On the App Store both sit at effectively the same score — 5.0 for PatchDay against 5.0 for Mona. That said, the two scores are not equally well evidenced: Mona has 10 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 46% of PatchDay's written reviews are positive against 100% of Mona's.
PatchDay ships an update every 2 weeks, Mona weekly. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.
| Parameter | PatchDay | Mona |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (10 ratings) |
| Positive reviews | 45.9% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 | 10 — better |
| Update frequency | Every 2 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 18.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 29 MB |
| Age rating | 12+ | 4+ |
| Developer | Juliya Smith | Delia Cheminot |
Customer experience
PatchDay
Mona
In-app purchases
PatchDay
No in-app purchases
Mona
No in-app purchases
