# FluStar vs iHealth Antigen Test Guide

The clearest difference is rating: iHealth Antigen Test Guide at 5.0 against FluStar's 1.7. iHealth Antigen Test Guide also leads on ads (none vs shown) and monetization model (free vs ad-supported). FluStar's advantage is update cadence (fortnightly vs every 13 months) and ratings volume (25 vs 1). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

iHealth Antigen Test Guide holds the better App Store score, 5.0 against 1.7. That said, the two scores are not equally well evidenced: FluStar has 25 ratings behind it against 1, so its average is the more settled of the two.

FluStar ships an update fortnightly, iHealth Antigen Test Guide every 13 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | FluStar | iHealth Antigen Test Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (25 ratings)](https://appshunter.io/ios/app/flustar-flu-tracker/id1483474643/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ihealth-antigen-test-guide/id6504085818/reviews)** |
| Number of ratings | **25** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 13 months |
| Monetization | Ad-supported | **Free** |
| Size | 22 MB | 129 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [IQVIA Inc.](https://appshunter.io/developer/376388241) | [iHealth Labs Inc.](https://appshunter.io/developer/558793182) |

## 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


### iHealth Antigen Test Guide

[App page](https://appshunter.io/ios/app/ihealth-antigen-test-guide/id6504085818)

This app provides a simple, step-by-step guide for performing a COVID-19 self-test at home using a non-invasive nasal swab. It includes instructional videos and a timer to help users get clear results quickly and reliably.

**Highlights:** Step-by-step tutorial videos, 5-step testing process, 15-minute test completion, Non-invasive nasal swab, Result interpretation guide, Timer function

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FluStar free?

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

### Is iHealth Antigen Test Guide free?

iHealth Antigen Test Guide is free to download, with no in-app purchases.

### Which has better reviews, FluStar or iHealth Antigen Test Guide?

iHealth Antigen Test Guide is rated higher. FluStar averages 1.7 out of 5 from 25 ratings, while iHealth Antigen Test Guide averages 5.0 from 1 ratings.

### Do FluStar or iHealth Antigen Test Guide have ads?

FluStar shows ads; iHealth Antigen Test Guide does not.

### Which is updated more often, FluStar or iHealth Antigen Test Guide?

FluStar ships an update fortnightly, and iHealth Antigen Test Guide every 13 months. Most recently, FluStar was updated on November 3, 2026 and iHealth Antigen Test Guide on October 30, 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.*