# FluStar vs bub

The clearest difference is review sentiment: bub at 86% against FluStar's 0%. bub also leads on rating (3.7 vs 1.7) and ads (none vs shown). FluStar's advantage is in-app purchases (none vs 5) and iOS requirement (11.0 vs 17.6). On price, ratings volume, update cadence and device support there is nothing between them.

Both are free to download. bub sells 5 in-app purchases, starting at $4.99 per 7 days. FluStar asks for nothing beyond the download.

bub holds the better App Store score, 3.7 against 1.7. Both are backed by a comparable volume of ratings — 25 and 12 respectively. Written reviews point the same way: 0% of FluStar's written reviews are positive against 86% of bub's.

FluStar ships an update fortnightly, bub every 11 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | FluStar | bub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (25 ratings)](https://appshunter.io/ios/app/flustar-flu-tracker/id1483474643/reviews) | **[3.7 (12 ratings)](https://appshunter.io/ios/app/bub-health-risks-forecast/id6532594294/reviews)** |
| Number of ratings | **25** | 12 |
| Positive reviews | 0.0% of reviews | **85.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 11 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 22 MB | 65 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [IQVIA Inc.](https://appshunter.io/developer/376388241) | [Hubbub World](https://appshunter.io/developer/1756654414) |

## 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


### bub

[App page](https://appshunter.io/ios/app/bub-health-risks-forecast/id6532594294)

Receive real-time health risk alerts and 30-day forecasts for various illnesses and allergens, personalized to your location. Plan ahead and stay informed about potential health concerns for yourself and your community.

**Highlights:** Hyper-local risk scores, 30-day health risk outlook, Nationwide risk search, Community risk sharing, Instant risk spike alerts, Interactive maps and charts, Widgets and watch app support

**Features:** Apple Watch app

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| bub+ Weekly | $4.99 | per 7 days |
| bub+ Monthly | $9.99 | per month |
| bub+ 6 months | $39.99 | per 6 months |
| bub+ Annual | $79.99 | per year |
| bub+ Home – up to 6 users | $119.99 | per year |


## Frequently asked questions

### Is FluStar free?

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

### Is bub free?

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

### Which has better reviews, FluStar or bub?

bub is rated higher. FluStar averages 1.7 out of 5 from 25 ratings, while bub averages 3.7 from 12 ratings.

### Do FluStar or bub have ads?

FluStar shows ads; bub does not.

### Which is updated more often, FluStar or bub?

FluStar ships an update fortnightly, and bub every 11 days. Most recently, FluStar was updated on November 3, 2026 and bub on November 4, 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.*