FluStar vs bub
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FluStar
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.
- 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
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FluSTAR provides up to date cold and flu activity information for every ZIP code in the country. If you're like most people -- catching the flu virus is something you'd rather NOT do. And if you have already come down with the flu, FluSTAR.com will provide you with information on how to help alleviate some of the symptoms caused by the influenza virus. FluSTAR.com can educate you about the Influenza virus, past flu epidemics as well as flu activity in every zip code in the United States. You will also see information on the difference between a cold and the flu. The FluSTAR system was developed to provide health care professionals and consumers with the most up to date information on the spread of the flu during the influenza season. Data for FluSTAR is gathered from different surveillance methods including RaPID Assay data, laboratory confirmation and clinical diagnosis data. Based on all of the surveillance methods, a regional as well as a national picture on influenza activity is generated.
bub
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.
- 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
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Get real-time alerts and 30-day forecasts for COVID-19, flu, RSV, allergies, and more — personalized to your exact location. Do you check weather forecasts? bub is the same, but for health risks. Why bub: • Hyper-local risk scores refreshed all day • Nationwide view — search any city, state, or the whole US • Community risk — stay safe with friends and family • 30-day outlook — plan ahead with confidence • Instant alerts when risks spike at home, school or work • Interactive maps and 30-day charts for deeper insight • Widgets, watch app and Siri for at-a-glance updates Built for everyone Parents, travelers, and anyone caring for seniors or immunocompromised loved ones use bub to stay informed — not worried. Pricing • First day free — explore every feature. • bub+ subscription keeps 30-day forecasts, advanced charts and maps, and comprehensive alerts. Terms of Service: https://www.hubbubworld.com/tos Privacy Policy: https://www.hubbubworld.com/privacy
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | FluStar | bub |
|---|---|---|
| Price | Free | Free |
| Rating | 1.7 (25 ratings) | 3.7 (12 ratings) — better |
| Positive reviews | 0.0% of reviews | 85.7% of reviews — better |
| Number of ratings | 25 — better | 12 |
| Update frequency | Fortnightly | Every 11 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, Apple Watch |
| Requires iOS | 11.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 22 MB | 65 MB |
| Age rating | 17+ | 4+ |
| Developer | IQVIA Inc. | Hubbub World |
Customer experience
FluStar
bub
In-app purchases
FluStar
No in-app purchases
bub
- bub+ Weekly$4.997 Days
- bub+ Monthly$9.991 Month
- bub+ 6 months$39.996 Months
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- bub+ Annual$79.991 Year
- bub+ Home – up to 6 users$119.991 Year








