# FloodWatch vs Red Tide Map

The clearest difference is price: FloodWatch at Free against Red Tide Map's $8.99. FloodWatch also leads on rating (4.7 vs 3.0) and review sentiment (58% vs 25%). Red Tide Map's advantage is in-app purchases (none vs 5) and ads (none vs shown). On device support there is nothing between them.

FloodWatch is free to download; Red Tide Map costs $8.99 up front. FloodWatch sells 5 one-off in-app purchases. Red Tide Map asks for nothing beyond the download.

FloodWatch holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: FloodWatch has 314 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 58% of FloodWatch's written reviews are positive against 25% of Red Tide Map's.

FloodWatch ships an update every 2 months, Red Tide Map monthly. The most recent releases landed on October 13, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | FloodWatch | Red Tide Map |
| --- | --- | --- |
| Price | **Free** | $8.99 |
| Rating | **[4.7 (314 ratings)](https://appshunter.io/ios/app/floodwatch/id386505889/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/red-tide-map/id1609297798/reviews) |
| Number of ratings | **314** | 2 |
| Positive reviews | **57.6% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#181** |
| Size | 13 MB | 17 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Brian Deshong](https://appshunter.io/developer/386505892) | [Qvyshift LLC](https://appshunter.io/developer/1536442361) |

## What reviewers say

### FloodWatch

[App page](https://appshunter.io/ios/app/floodwatch/id386505889)

Monitor real-time river and flood data across the United States. Track river height, discharge, precipitation, and water temperature with data from USGS and NWS. Ideal for property owners, outdoor enthusiasts, and anyone needing flood awareness.

**Highlights:** Real-time river data, Historical trends and graphs, Favorites list for gauges, Nationwide US coverage, Flood awareness alerts, Recreation water condition checks

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip Level 1 | $0.99 | one-time |
| Tip Level 2 | $2.99 | one-time |
| Tip Level 3 | $5.99 | one-time |
| Ad Removal | $8.99 | one-time |
| Tip Level 4 | $9.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 👍 Great information
- 👍 Useful tool
- 👍 Works as advertised
- 👍 Responsive developer

**What reviewers complain about**

-  anúncios Intrusive ads
-  anúncios Loud and disruptive ads
-  anúncios Full-page ads
-  anúncios Ads prevent app usage
- 💰 Expensive ad-free option

**Reported bugs**

- App crashes on opening
- App crashes when updating levels
- App crashes when scrolling through favorites
- App crashes a lot
- App kicks out when viewing favorites

**Requested features**

- Add alerts for flood stage
- Add Lock Screen widgets
- Add search bar for gauges
- Add CFS readings
- Add alerts for flow rate


### Red Tide Map

[App page](https://appshunter.io/ios/app/red-tide-map/id1609297798)

**Currently charting:** #181 Top Paid · Weather (US App Store)

Provides a map of recent harmful algal bloom measurements for Florida's coast. Data is sourced from NOAA and updated within the app. No registration is needed to view current conditions.

**Highlights:** Harmful algal bloom map, Florida coastal coverage, NOAA data source, Recent measurements, No registration required, In-app data update

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is FloodWatch free?

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

### Is Red Tide Map free?

Red Tide Map costs $8.99, with no in-app purchases.

### Which has better reviews, FloodWatch or Red Tide Map?

FloodWatch is rated higher. FloodWatch averages 4.7 out of 5 from 314 ratings, while Red Tide Map averages 3.0 from 2 ratings.

### Do FloodWatch or Red Tide Map have ads?

FloodWatch shows ads; Red Tide Map does not.

### Which is updated more often, FloodWatch or Red Tide Map?

FloodWatch ships an update every 2 months, and Red Tide Map monthly. Most recently, FloodWatch was updated on October 13, 2026 and Red Tide Map on October 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*