# Cleanlet vs FloodNotice

The clearest difference is update cadence: Cleanlet at every 6 weeks against FloodNotice's every 7 months. Cleanlet also leads on iOS requirement (14.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

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

Cleanlet ships an update every 6 weeks, FloodNotice every 7 months. The most recent releases landed on September 11, 2026 and July 23, 2026 respectively.

## The numbers

| Metric | Cleanlet | FloodNotice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (9 ratings)](https://appshunter.io/ios/app/floodnotice/id6446180837/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 7 months |
| Monetization | — | Free |
| Size | 72 MB | 10 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Drexel University](https://appshunter.io/developer/410950254) | [Nathaniel Copeland](https://appshunter.io/developer/1676503463) |

## What reviewers say

### Cleanlet

[App page](https://appshunter.io/ios/app/cleanlet/id1667911208)

**In-app purchases:** none


### FloodNotice

[App page](https://appshunter.io/ios/app/floodnotice/id6446180837)

Access real-time streamflow, river levels, and flood forecasts from over 6,000 locations across the U.S. Save your favorite streamgages for quick access to critical waterbody information.

**Highlights:** Real-time streamflow observations, River level monitoring, Flood condition alerts, Streamflow forecasts, Save favorite streamgages, Coverage across 50 U.S. states and Puerto Rico

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cleanlet free?

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

### Is FloodNotice free?

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

### Do Cleanlet or FloodNotice have ads?

Neither Cleanlet nor FloodNotice shows ads.

### Which is updated more often, Cleanlet or FloodNotice?

Cleanlet ships an update every 6 weeks, and FloodNotice every 7 months. Most recently, Cleanlet was updated on September 11, 2026 and FloodNotice on July 23, 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.*