# Tank IOT vs Safe SOS

The clearest difference is update cadence: Safe SOS at weekly against Tank IOT's every 5 weeks. Tank IOT's advantage is iOS requirement (13.0 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.

Tank IOT ships an update every 5 weeks, Safe SOS weekly. The most recent releases landed on October 17, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Tank IOT | Safe SOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/tank-iot/id6505107168/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 30 MB | 57 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Shenzhen EPT Technology Co.,Ltd](https://appshunter.io/developer/1744890616) | [Patrick Kokou](https://appshunter.io/developer/1787230899) |

## What reviewers say

### Tank IOT

[App page](https://appshunter.io/ios/app/tank-iot/id6505107168)

This utility app enables users to remotely monitor liquid levels from their mobile devices. It's designed for industrial production and daily life, offering real-time status updates and warning notifications for better control and safety.

**Highlights:** Remote liquid level monitoring, Real-time status updates, Warning information notifications, Data sharing capabilities, User-friendly interface, Sensor/instrument connection

**Features:** macOS Compatibility

**In-app purchases:** none


### Safe SOS

[App page](https://appshunter.io/ios/app/safe-sos/id6740741308)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tank IOT free?

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

### Is Safe SOS free?

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

### Do Tank IOT or Safe SOS have ads?

Neither Tank IOT nor Safe SOS shows ads.

### Which is updated more often, Tank IOT or Safe SOS?

Tank IOT ships an update every 5 weeks, and Safe SOS weekly. Most recently, Tank IOT was updated on October 17, 2026 and Safe SOS on October 9, 2026.

---

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