# FluStar vs SickPredict™

The clearest difference is review sentiment: SickPredict™ at 73% against FluStar's 0%. SickPredict™ also leads on rating (4.1 vs 2.3). FluStar's advantage is in-app purchases (none vs 2) and update cadence (fortnightly vs every 2 months). On price, ratings volume, ads 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 2.3. Both are backed by a comparable volume of ratings — 13 and 30 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. The most recent releases landed on July 21, 2026 and July 5, 2026 respectively.

## The numbers

| Metric | FluStar | SickPredict™ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (13 ratings)](https://appshunter.io/ios/app/flustar-flu-tracker/id1483474643/reviews) | **[4.1 (30 ratings)](https://appshunter.io/ios/app/sickpredict/id1531998468/reviews)** |
| Number of ratings | 13 | **30** |
| Positive reviews | 0.0% of reviews | **73.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | **Ad-supported** | Subscription |
| Size | 22 MB | 58 MB |
| Requires iOS | **11.0** | 13.0 |
| 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/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 |


## 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 2.3 out of 5 from 13 ratings, while SickPredict™ averages 4.1 from 30 ratings.

### Do FluStar or SickPredict™ have ads?

Both FluStar and SickPredict™ show ads.

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

FluStar ships an update fortnightly, and SickPredict™ every 2 months. Most recently, FluStar was updated on July 21, 2026 and SickPredict™ on July 5, 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.*