SymptomLog vs PROTOGEN Band
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SymptomLog
Track symptoms, medications, and potential triggers in a private journal. Generate detailed PDF reports for your doctor and identify patterns in your health data. Works offline with optional iCloud sync.
- Symptom logging with severity and notes
- Medication tracking and reminders
- Trigger identification and categorization
- Pattern detection and correlation analysis
- Doctor-ready PDF report generation
- HealthKit integration
- Offline functionality
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SymptomLog is the symptom tracker built for people with chronic illness — one fair price, no subscriptions, no ads, no account required. Track symptoms, medications, and triggers in one private journal, then generate doctor-ready PDF reports for your next appointment. YOUR DATA STAYS YOURS • All data stored locally on your device with optional iCloud sync • No account creation, no external servers, no data selling • Works fully offline — your health data never leaves your device unless you choose to share it SYMPTOM TRACKING MADE SIMPLE • Quick-log symptoms with severity (1-5), timestamps, and notes • Attach photos for visible symptoms like rashes or swelling • Customizable symptom library — add your own beyond the presets • Preset symptoms include pain, fatigue, nausea, headache, brain fog, dizziness, joint pain, and insomnia MEDICATION MANAGEMENT • Track medications with dosage, frequency, and schedule • Receive local notification reminders for each medication • Log when medication was actually taken, not just scheduled • Monitor missed doses and adherence over time TRIGGER IDENTIFICATION • Log potential triggers: food, weather, stress, sleep quality, activity level • Organize triggers into customizable categories • Add free-text notes to capture context around each trigger PATTERN DETECTION & INSIGHT • Timeline view showing symptoms alongside medication and trigger data • Smart correlation detection: discover patterns like "Headache occur 73% of the time after trigger X" • Filter by date range, symptom type, or severity level • HealthKit integration for sleep, heart rate, and step data correlation DOCTOR-READY PDF REPORT • Generate clean, professional PDF report with symptom frequency chart, severity trend, medication adherence summary, and trigger correlation • Select any date range for focused reporting • Share via email, AirDrop, or print directly from the app • Export to markdown for LLM analysis or CSV for spreadsheet use HOME SCREEN WIDGET • Home screen widget for one-tap symptom logging and daily summary Built by someone who understands that people managing chronic illness already face enormous cost. SymptomLog is a one-time purchase — because your health tracker shouldn't be another monthly bill.
PROTOGEN Band
Transform your health and fitness into an engaging game. Connect your wearable to track sleep, activity, and recovery through daily quests and motivational companions. Progress is tracked via Apple Health for a fun, gamified wellness journey.
- Gamified health routine
- Wearable device connection
- Sleep, Activity, and Recovery goals
- Daily quests
- Companion system for motivation
- Apple Health integration
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Your health routine, turned into a game. Because knowing what to do is not enough, PROTOGENBand is built for actually doing it. Connect the wearable you already have and play. Sleep, Activity and Recovery: three goals, daily quests, and companions who give you a reason to show up tomorrow and track your progress with Apple Health. PROTOGENBand is for informational wellness use only. Not medical advice, diagnosis or treatment. Progress and rankings are for motivation and are not clinically validated health assessments. Consult a qualified healthcare professional about medical concerns.
Screenshots
Verdict
The clearest difference is review sentiment: SymptomLog at 100% against PROTOGEN Band's 50%. PROTOGEN Band's advantage is price (Free vs $5.99) and update cadence (every 4 days vs every 3 months). On 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
PROTOGEN Band is free to download; SymptomLog costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.
SymptomLog ships an update every 3 months, PROTOGEN Band every 4 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.
| Parameter | SymptomLog | PROTOGEN Band |
|---|---|---|
| Price | $5.99 | Free — better |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews — better | 50.0% of reviews |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, Mac — better | iPhone, iPod |
| Requires iOS | 17.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 14 MB | 43 MB |
| Age rating | 4+ | 17+ |
| Developer | Pierre Stanislas | Protogen, Inc |
Customer experience
SymptomLog
PROTOGEN Band
In-app purchases
SymptomLog
No in-app purchases
PROTOGEN Band
No in-app purchases









