# SickPredict™ vs Symptom Tracker+

The clearest difference is monetization model: Symptom Tracker+ at free with in-app purchases against SickPredict™'s subscription. Symptom Tracker+ also leads on ads (none vs shown). SickPredict™'s advantage is review sentiment (73% vs 40%) and iOS requirement (13.0 vs 15.5). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. SickPredict™ sells 2 in-app purchases, starting at $3.99 per month and Symptom Tracker+ sells 16 in-app purchases, starting at $4.95 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.1 for SickPredict™ against 4.0 for Symptom Tracker+. Both are backed by a comparable volume of ratings — 30 and 68 respectively. Written reviews are what separate them: 73% of SickPredict™'s written reviews are positive against 40% of Symptom Tracker+'s.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on July 5, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | SickPredict™ | Symptom Tracker+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (30 ratings)](https://appshunter.io/ios/app/sickpredict/id1531998468/reviews)** | [4.0 (68 ratings)](https://appshunter.io/ios/app/symptom-tracker-plus/id1631692692/reviews) |
| Number of ratings | 30 | **68** |
| Positive reviews | **73.1% of reviews** | 40.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 58 MB | 214 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPod, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 17+ | 12+ |
| Developer | [Health Logic Global](https://appshunter.io/developer/1531998470) | [CARECLINIC SOFTWARE INC.](https://appshunter.io/developer/1436021751) |

## What reviewers say

### SickPredict™

[App page](https://appshunter.io/ios/app/sickpredict/id1531998468)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Access | $3.99 | per month |
| Basic Access | $28.99 | per year |


### Symptom Tracker+

[App page](https://appshunter.io/ios/app/symptom-tracker-plus/id1631692692)

Easily log and analyze your health symptoms, medications, and lifestyle factors to gain insights into your well-being. Generate reports for your doctor and manage your health journey with personalized tracking and reminders.

**Highlights:** Track 2,000+ symptoms, Log medications, nutrition, sleep, activity, vitals, Analyze hidden health patterns, Generate reports for healthcare team, Manage appointments and care team info, Personalize tracking modules, Set medication and check-in reminders

**Features:** macOS Compatibility, Siri integration, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| flex pass | $4.95 | per month |
| easy pass | $5.99 | per 7 days |
| weather max | $9.99 | per 3 months |
| flex pass | $9.99 | per month |
| smart pass | $19.99 | per year |
| carey ai ultra | $29.99 | per month |
| smart pass | $34.99 | per year |
| your free week | $49.99 | per year |
| 7-Day Trial | $49.99 | per year |
| limited sale | $49.99 | per year |
| limited deal | $49.99 | per year |
| select pass | $49.99 | per year |
| full access | $59.99 | per year |
| store credit | $1.99 | one-time |
| carey ai credits | $8.99 | one-time |
| lifetime upgrade | $149.99 | one-time |


## Frequently asked questions

### Is SickPredict™ free?

SickPredict™ is free to download, with in-app purchases available.

### Is Symptom Tracker+ free?

Symptom Tracker+ is free to download, with in-app purchases available.

### Which has better reviews, SickPredict™ or Symptom Tracker+?

SickPredict™ is rated higher. SickPredict™ averages 4.1 out of 5 from 30 ratings, while Symptom Tracker+ averages 4.0 from 68 ratings.

### Do SickPredict™ or Symptom Tracker+ have ads?

SickPredict™ shows ads; Symptom Tracker+ does not.

### Which is updated more often, SickPredict™ or Symptom Tracker+?

SickPredict™ ships an update every 2 months, and Symptom Tracker+ every 2 months. Most recently, SickPredict™ was updated on July 5, 2026 and Symptom Tracker+ on September 20, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*