SickDays vs NeuroPortion
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SickDays
Easily log your healthy and sick days to gain insights into your well-being. Track symptoms for colds, allergies, or migraines with daily reminders and intuitive features to make informed health decisions.
- Track healthy and sick days
- Log symptoms for various conditions
- Daily reminders
- Intuitive logging
- Health pattern insights
- Wellness monitoring
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SickDays is your personal health companion that helps you easily track your healthy and sick days. Whether you're fighting off a cold, experiencing seasonal allergies, or just want to monitor your daily well-being, SickDays provides a clear and simple way to log your symptoms, and stay on top of your health. With daily reminders and intuitive logging features, you'll gain valuable insights into patterns in your health, helping you make better decisions for your wellness. • Health correlations (Pro): See how sleep, steps, resting heart rate, and HRV compare on your sick days vs your baseline — powered by Apple Health, on-device only. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
NeuroPortion
This app uses AI facial analysis to provide wellness insights like hydration, stress, and sleep signals. It estimates general portion guidance based on your face data, which is processed by a third-party AI service and not stored by the app.
- AI facial analysis for wellness signals
- Hydration, stress, and sleep estimation
- General portion guidance
- Third-party AI processing
- No data retention by the app
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Face Data Use, Sharing, and Retention NeuroPortion uses face photos solely to generate wellness insights such as hydration, stress, sleep-related signals, and general portion guidance. When you choose to run a face scan, your photo is sent to OpenAI, a third-party AI service, to estimate these wellness signals. • What face data is shared? Only the face photo you submit during the scan. • Why is it shared? We share the photo with OpenAI because their model allows us to generate on-demand wellness signal estimates (e.g., hydration clues, fatigue indicators, stress-related facial tension, etc.) based on the image. • Do third parties store this data? OpenAI does not store your face photo or derived face data. Each image is processed once, in real time, and then discarded by OpenAI. • How long is the face data retained? NeuroPortion does not store your face photos on our servers. They are used only transiently during analysis and not retained. No biometric identifiers or templates are created. • Who has access to the data? Only OpenAI processes the photo for the purpose described above. Your face data is not shared with advertisers, analytics companies, or additional third parties. You can view OpenAI’s privacy practices here: https://openai.com/policies/privacy-policy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is review sentiment: NeuroPortion at 100% against SickDays's 33%. NeuroPortion also leads on rating (5.0 vs 3.3) and ads (none vs shown). On price, ratings volume, in-app purchases and monetization model 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. SickDays sells 2 in-app purchases, starting at $0.99 per 7 days and NeuroPortion sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.
NeuroPortion holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 9 and 6 respectively. Written reviews point the same way: 33% of SickDays's written reviews are positive against 100% of NeuroPortion's.
SickDays ships an update every 2 months, NeuroPortion every 5 days. Both last shipped on October 24, 2026.
| Parameter | SickDays | NeuroPortion |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (9 ratings) | 5.0 (6 ratings) — better |
| Positive reviews | 33.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 9 — better | 6 |
| Update frequency | Every 2 months | Every 5 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 24 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Florian Schweizer | Can Yavas |
Customer experience
SickDays
NeuroPortion
In-app purchases
SickDays
- Pro (Weekly)$0.997 Days
- Pro (Yearly)14 Days trial$19.991 Year
NeuroPortion
- NeuroPortion Pro Monthly7 Days trial$7.991 Month
- NeuroPortionPro Yearly7 Days trial$39.991 Year
