# FluStar vs SickPredict™

The clearest difference is review sentiment: SickPredict™ at 73% against FluStar's 0%. SickPredict™ also leads on rating (4.1 vs 1.7) and ads (none vs shown). FluStar's advantage is in-app purchases (none vs 2) and update cadence (fortnightly vs every 2 months). On price, ratings volume and device support there is nothing between them.

Both are free to download. SickPredict™ sells 2 in-app purchases, starting at $3.99 per month. FluStar asks for nothing beyond the download.

SickPredict™ holds the better App Store score, 4.1 against 1.7. Both are backed by a comparable volume of ratings — 25 and 32 respectively. Written reviews point the same way: 0% of FluStar's written reviews are positive against 73% of SickPredict™'s.

FluStar ships an update fortnightly, SickPredict™ every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | FluStar | SickPredict™ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (25 ratings)](https://appshunter.io/ios/app/flustar-flu-tracker/id1483474643/reviews) | **[4.1 (32 ratings)](https://appshunter.io/ios/app/sickpredict-health-score/id1531998468/reviews)** |
| Number of ratings | 25 | **32** |
| Positive reviews | 0.0% of reviews | **73.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | **Ad-supported** | Subscription |
| Size | 22 MB | 54 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 17+ | 17+ |
| Developer | [IQVIA Inc.](https://appshunter.io/developer/376388241) | [Health Logic Global](https://appshunter.io/developer/1531998470) |

## What reviewers say

### FluStar

[App page](https://appshunter.io/ios/app/flustar-flu-tracker/id1483474643)

Track current cold and flu activity by ZIP code across the US. Get information on influenza symptoms, past epidemics, and how to differentiate between a cold and the flu.

**Highlights:** Real-time flu activity by ZIP code, Cold and flu symptom information, Educational content on influenza, Data on past flu epidemics, Distinguish between cold and flu

**Features:** macOS Compatibility

**In-app purchases:** none


### SickPredict™

[App page](https://appshunter.io/ios/app/sickpredict-health-score/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

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (2)**

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


## Frequently asked questions

### Is FluStar free?

FluStar is free to download, with no in-app purchases.

### Is SickPredict™ free?

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

### Which has better reviews, FluStar or SickPredict™?

SickPredict™ is rated higher. FluStar averages 1.7 out of 5 from 25 ratings, while SickPredict™ averages 4.1 from 32 ratings.

### Do FluStar or SickPredict™ have ads?

FluStar shows ads; SickPredict™ does not.

### Which is updated more often, FluStar or SickPredict™?

FluStar ships an update fortnightly, and SickPredict™ every 2 months. Most recently, FluStar was updated on November 3, 2026 and SickPredict™ on November 3, 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.*