# Secchi vs Floating Weeds

Secchi and Floating Weeds are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Secchi ships an update every 7 months, Floating Weeds every 12 months. Both last shipped on October 10, 2026.

## The numbers

| Metric | Secchi | Floating Weeds |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 12 months |
| Size | 45 MB | 21 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Secchi Disk Foundation](https://appshunter.io/developer/1487320010) | [Centre for Ecology and Hydrology](https://appshunter.io/developer/986306797) |

## What reviewers say

### Secchi

[App page](https://appshunter.io/ios/app/secchi/id1524837284)

**Features:** macOS Compatibility

**In-app purchases:** none


### Floating Weeds

[App page](https://appshunter.io/ios/app/floating-weeds/id6746163613)

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

**In-app purchases:** none


## Frequently asked questions

### Is Secchi free?

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

### Is Floating Weeds free?

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

### Do Secchi or Floating Weeds have ads?

Neither Secchi nor Floating Weeds shows ads.

### Which is updated more often, Secchi or Floating Weeds?

Secchi ships an update every 7 months, and Floating Weeds every 12 months. Most recently, Secchi was updated on October 10, 2026 and Floating Weeds on October 10, 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.*