# STS FISH IOT vs EcoFast

The clearest difference is update cadence: STS FISH IOT at every 10 days against EcoFast's monthly. EcoFast's advantage is iOS requirement (12.0 vs 15.6). 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.

STS FISH IOT ships an update every 10 days, EcoFast monthly. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | STS FISH IOT | EcoFast |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Size | 92 MB | 65 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NGO THINH](https://appshunter.io/developer/1680822852) | [RED & BLUE TECHNOLOGY COMPANY LIMITED](https://appshunter.io/developer/1748357089) |

## What reviewers say

### STS FISH IOT

[App page](https://appshunter.io/ios/app/sts-fish-iot/id6447277562)

**Features:** macOS Compatibility

**In-app purchases:** none


### EcoFast

[App page](https://appshunter.io/ios/app/ecofast/id6503202874)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is STS FISH IOT free?

STS FISH IOT is free to download, with no in-app purchases.

### Is EcoFast free?

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

### Do STS FISH IOT or EcoFast have ads?

Neither STS FISH IOT nor EcoFast shows ads.

### Which is updated more often, STS FISH IOT or EcoFast?

STS FISH IOT ships an update every 10 days, and EcoFast monthly. Most recently, STS FISH IOT was updated on October 1, 2026 and EcoFast on October 7, 2026.

---

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