Comparison

SickPredict™ vs Safree

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

Head to head
About

SickPredict™

This app leverages data from your Apple Watch to predict potential health changes up to 72 hours in advance. It calculates a personalized 'SickNumber™' and tracks your health metrics over time, providing alerts for risk level changes. It is intended for general wellbeing and informational purposes only.

Highlights
  • Predicts health changes up to 72 hours in advance
  • Calculates personalized SickNumber™
  • Tracks health changes over time
  • Provides periodic risk level alerts
  • Integrates with Apple Health data
  • Uses machine learning algorithms
Read full description

Requires an Apple watch and iPhone. Experience the future of personalized health! Based on tested scientific research and data from your Apple watch, the SickPredict™ App calculates, in real-time, your personalized SickNumber™ to help anticipate any upcoming changes in your health up to 72 hours in advance of experiencing any symptoms! Your personalized SickNumber™ is based on the specific health metrics gathered from your Apple watch. Key features: 1. Anticipates changes in your health up to 72 hours before you show symptoms! Research-tested, we can now predict oncoming illness with reasonable accuracy. Keep in mind, it is not perfect, but the scientific results have been conclusive in using certain data collected by your Apple watch to proactively identify potential changes in your health. 2. Track your health changes over time. Use this app to calculate your daily SickNumber™ and track your history. This app uses machine learning algorithms to track changes in your SickNumber™ over time. 3. Receive periodic alerts. The SickPredict™ app sends you daily notifications of your SickNumber™ and changes in your risk level. How It Works Over the past several years, research studies have been conducted involving more than 100,000 people wearing smart watches and the results were very positive, showing strong levels of accuracy in the ability to predict illness from health data that was recorded by the wearables. This app integrates with Apple Health and uses a multitude of data that is provided by your wearable everyday such as Active Energy, Body Temperature, Heart Rate, Heart Rate Variability, Oxygen Saturation, Resting Energy, Steps, Resting Heart Rate, Sleep Data and more. The SickPredict™ App calculates, in real-time, your personalized SickNumber™. The daily SickNumber™ ranges from 1-10 to help anticipate any upcoming changes in your health. Here are the SickNumber™ risk levels: o Low risk is 1-4 o Medium risk is 5-7 o Elevated risk is 8-10 Suggestions/Comments • Although it is not required to use your wearable at night, it is highly recommended. The results are significantly better if you consistently wear your watch at night and consistently throughout the day. • Remember, do not rely on the SickPredict™ App for medical advice or diagnosis. The App is not a replacement or substitute for professional medical care. Use the App for informational, general wellbeing purposes only. Always consult your health professionals if you have any health concerns. Subscriptions Payment will be charged to the credit card connected to your iTunes account after your trial period ends and when your subscription starts. Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the trial period or current subscription period. The subscription options for the Basic Access subscription include either a $3.99/month monthly fee or $28.99/ year annual fee. Both include a free 1 week trial. Manage your subscription by going to your Account Settings on your iPhone. Additional Information: Visit www.SickPredictApp.com Terms of Use: Visit https://sickpredictapp.com/terms-of-use/

About

Safree

Features
Read full description

Safree , the company behind the Safree Safe&Secure. Safree allows you to notify your friends, family and the police where you are and that you need help. With the Safree App you can invite your friends and family to become your guardians who will be there for you when you need them. When you activate the alarm of your Safree App your guardians will receive a notification that you need help. When a guardian clicks on the notification they see a map with your location. The guardians that respond to the alarm will see each other on the map as they are moving to the location of the Safree user.

Screenshots

SickPredict™4 screens
Safree4 screens

Verdict

The call

The clearest difference is in-app purchases: Safree at none against SickPredict™'s 2. Safree also leads on ads (none vs shown) and update cadence (weekly vs every 2 months). SickPredict™'s advantage is device support (3 vs 1) and iOS requirement (13.0 vs 18.6). On price 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. SickPredict™ sells 2 in-app purchases, starting at $3.99 per month. Safree asks for nothing beyond the download.

UpkeepUpdate frequency

SickPredict™ ships an update every 2 months, Safree weekly. The most recent releases landed on October 24, 2026 and October 4, 2026 respectively.

Scorecard5 real differences · 5 level
SickPredict™ versus Safree: the parameters behind the verdict, then further details
ParameterSickPredict™Safree
PriceFreeFree
Rating4.1 (32 ratings) — better—
Positive reviews73.1% of reviews—
Number of ratings32 — better—
Update frequencyEvery 2 monthsWeekly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationSubscription—
DevicesiPhone, iPod, Apple Watch — betteriPhone
Requires iOS13.0 — better18.6
Further details — not scored
Size58 MB136 MB
Age rating17+4+
DeveloperHealth Logic GlobalHerman Veenstra

In-app purchases

2 purchases

SickPredict™

Subscriptions2
  • Basic Access7 Days trial$3.991 Month
  • Basic Access7 Days trial$28.991 Year
None

Safree

No in-app purchases

Questions

Is SickPredict™ free?
SickPredict™ is free to download, with in-app purchases available.
Is Safree free?
Safree is free to download, with no in-app purchases.
Do SickPredict™ or Safree have ads?
SickPredict™ shows ads; Safree does not.
Which is updated more often, SickPredict™ or Safree?
SickPredict™ ships an update every 2 months, and Safree weekly. Most recently, SickPredict™ was updated on October 24, 2026 and Safree on October 4, 2026.

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