# CFSWater vs Tailwaters

The clearest difference is rating: Tailwaters at 5.0 against CFSWater's 4.2. Tailwaters also leads on update cadence (every 2 days vs every 13 months). CFSWater's advantage is iOS requirement (11.0 vs 15.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Tailwaters holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 9 and 5 respectively.

CFSWater ships an update every 13 months, Tailwaters every 2 days. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | CFSWater | Tailwaters |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (9 ratings)](https://appshunter.io/ios/app/cfswater/id1660268618/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/tailwaters-dam-flows/id6808448463/reviews)** |
| Number of ratings | **9** | 5 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 days** |
| Monetization | Free | Free |
| Size | 28 MB | 15 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Keyhole Software LLC](https://appshunter.io/developer/537643862) | [Johnny Bates](https://appshunter.io/developer/6808448465) |

## What reviewers say

### CFSWater

[App page](https://appshunter.io/ios/app/cfswater/id1660268618)

Provides real-time and scheduled water release and power generation data for specific Army Corps of Engineer tailwaters. Includes current weather information for affected areas. Data is subject to change and may not always match estimated schedules.

**Highlights:** Water release reporting, Power generation data, Weather information, Army Corps of Engineer tailwaters, Scheduled and current data

**Features:** macOS Compatibility

**In-app purchases:** none


### Tailwaters

[App page](https://appshunter.io/ios/app/tailwaters-dam-flows/id6808448463)

Provides real-time water release data, hydropower generation schedules, and river conditions for five White River Basin Dams. Includes river access maps, weather forecasts, and customizable alerts for anglers.

**Highlights:** Live water release data (CFS), Hydropower generation schedules, River access maps, On-water weather forecasts, Generation alerts, Favorite dam sorting, Dark/light themes

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

**In-app purchases:** none


## Frequently asked questions

### Is CFSWater free?

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

### Is Tailwaters free?

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

### Which has better reviews, CFSWater or Tailwaters?

Tailwaters is rated higher. CFSWater averages 4.2 out of 5 from 9 ratings, while Tailwaters averages 5.0 from 5 ratings.

### Do CFSWater or Tailwaters have ads?

Neither CFSWater nor Tailwaters shows ads.

### Which is updated more often, CFSWater or Tailwaters?

CFSWater ships an update every 13 months, and Tailwaters every 2 days. Most recently, CFSWater was updated on October 24, 2026 and Tailwaters on October 29, 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.*