Comparison

Wrist Temperature Tracker vs SymptomKeep

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Wrist Temperature Tracker

Automatically analyzes your cycle, ovulation, and temperature patterns using Apple Watch data. Visualize your cycle phases with intelligent charting and trend insights. Advanced features like cycle overlays and widgets require an in-app purchase.

Highlights
  • Automatic cycle detection
  • Ovulation and temperature pattern analysis
  • Cycle comparison and overlays
  • Trend insights and phase visualization
  • Daily temperature heat-map
  • Yearly trend overview
Features
Read full description

How has your wrist temperature changed over the past nights? Wrist Temperature Tracker shows your Apple Watch readings as history, comparisons and widgets. For people with a compatible Watch who want a clearer view of their overnight data in Apple Health. The app does not take measurements and is not an on-demand thermometer. Try the iPhone app for six days after installation. Continued access then requires a monthly subscription, annual subscription, or one-time purchase. You can restore an existing purchase. Before you start - You need an Apple Watch that supports wrist temperature sensing. - Wear it while sleeping. Track Sleep with Apple Watch and Sleep Focus need to be active for at least 4 hours per night. - After setup or pairing, establishing a baseline usually takes about 5 nights. - Allow the app to read wrist temperature from Health. If Health has no samples, the app cannot show any values. Features - Optional import of recorded cycle starts from Apple Health, with separate read permission. Recorded starts and temperature-based estimates are clearly distinguished. Reproductive data stays on your device; the app does not write cycle entries to Health. - Recorded night readings plus weekly, monthly, and yearly trends - Heat maps that show changes from your usual pattern - Cycle comparisons and temperature context for spotting recurring patterns - Widgets and complications for quick access to recent data - Get notified when a new reading arrives: all readings, or only values below or above your absolute temperature thresholds. No on-demand measurement or guaranteed daily notification. - A diagnostics area for Health data, notifications, and purchases Cycle insights help you recognize personal patterns. They are not intended for contraception and do not replace a medical thermometer or diagnosis. Terms and conditions: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

SymptomKeep

Features
Read full description

Track. Manage. Thrive - Your Health, Your Power. Symptom Keep is a private, intuitive health companion designed to help you easily record symptoms, observe severity patterns over time, and generate clear, fact-based Care Notes for your healthcare team. Built with a privacy-first architecture, Symptom Keep ensures your sensitive health logs stay strictly confidential. No hidden AI model tracking. No selling of your medical history. Just simple, empowering health tracking. KEY FEATURES: • FAST & INTUITIVE SYMPTOM LOGGING Log physical sensations, pain levels, and symptoms in seconds using a 0–10 severity scale, custom notes, timestamps, and optional reference photos. • HANDS-FREE VOICE LOGGING Too tired or unwell to type? Speak naturally to record symptoms using integrated voice dictation. • VISUAL HEALTH TRENDS & CHARTS Turn raw daily entries into readable insights. Interactive severity timeline charts and symptom frequency breakdowns help you visualize changes over 7 days, 30 days, or customized date ranges. • DOCTOR-READY CARE NOTES (DETERMINISTIC SUMMARIES) Prepare for your next doctor or specialist visit with ease. Symptom Keep transforms your logged entries into structured, readable appointment summaries highlighting peak days, frequency, co-occurring symptoms, and severity shifts, calculated deterministically right on your device. • SMART, RESPECTFUL REMINDERS Set gentle morning check-ins, evening logs, streak milestone celebrations, or severe symptom follow-ups to maintain an accurate health log without notification fatigue. • PRIVATE & SECURE BY DESIGN Your health information belongs to you. Data is protected with client-side encryption. We do not inspect your symptom notes or sell personal health records to third-party advertisers. • WORKS OFFLINE Record symptoms anywhere, even without an active internet connection. Your records sync securely whenever you reconnect. ------------------------------------------------------------------------------------------------------------------------------ Medical Disclaimer: Symptom Keep is designed for personal symptom logging and informational purposes only. It does not provide medical diagnoses, treatment recommendations, or clinical advice. Always consult a qualified physician or healthcare provider regarding any medical condition or health concern.

Screenshots

Wrist Temperature Tracker4 screens
SymptomKeep4 screens

Verdict

The call

The clearest difference is in-app purchases: SymptomKeep at none against Wrist Temperature Tracker's 3. SymptomKeep also leads on iOS requirement (15.0 vs 18.0). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Wrist Temperature Tracker sells 3 in-app purchases, starting at $1.99 per month. SymptomKeep asks for nothing beyond the download.

Scorecard2 real differences · 8 level
Wrist Temperature Tracker versus SymptomKeep: the parameters behind the verdict, then further details
ParameterWrist Temperature TrackerSymptomKeep
PriceFreeFree
Rating3.4 (127 ratings) — better—
Positive reviews28.3% of reviews—
Number of ratings127 — better—
Update frequencyEvery 11 days—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, Apple WatchiPhone, iPod
Requires iOS18.015.0 — better
Further details — not scored
Size5 MB30 MB
Age rating4+4+
DeveloperBernhard HeringAnthony Rezendes

In-app purchases

3 purchases

Wrist Temperature Tracker

Subscriptions2
  • Monthly Subscription$1.991 Month
  • Yearly Subscription$11.991 Year
One-time1
  • Unlock Wrist Temperature$79.99
None

SymptomKeep

No in-app purchases

Questions

Is Wrist Temperature Tracker free?
Wrist Temperature Tracker is free to download, with in-app purchases available.
Is SymptomKeep free?
SymptomKeep is free to download, with no in-app purchases.
Do Wrist Temperature Tracker or SymptomKeep have ads?
Neither Wrist Temperature Tracker nor SymptomKeep shows ads.

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