# Ammann ADS vs SmartTank Watch

The clearest difference is update cadence: Ammann ADS at every 4 months against SmartTank Watch's every 9 months. 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.

Ammann ADS ships an update every 4 months, SmartTank Watch every 9 months. The most recent releases landed on October 27, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Ammann ADS | SmartTank Watch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/smarttank-watch/id6477401293/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 9 months |
| Monetization | — | Free |
| Size | 50 MB | 45 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ammann Switzerland Ltd](https://appshunter.io/developer/1036134398) | [TankLink Corporation](https://appshunter.io/developer/1084784645) |

## What reviewers say

### Ammann ADS

[App page](https://appshunter.io/ios/app/ammann-ads/id6443826706)

**In-app purchases:** none


### SmartTank Watch

[App page](https://appshunter.io/ios/app/smarttank-watch/id6477401293)

Monitor tank levels, temperature, and location remotely. Receive real-time notifications and alerts to prevent run-outs and optimize delivery schedules. Streamline operations and improve inventory management for petroleum and chemical industries.

**Highlights:** Monitor tank levels, temperature, and location, Real-time notifications and alerts, Prevent product run-outs, Optimize delivery scheduling and routes, Access data and reports easily, Wireless monitoring

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

**In-app purchases:** none


## Frequently asked questions

### Is Ammann ADS free?

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

### Is SmartTank Watch free?

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

### Do Ammann ADS or SmartTank Watch have ads?

Neither Ammann ADS nor SmartTank Watch shows ads.

### Which is updated more often, Ammann ADS or SmartTank Watch?

Ammann ADS ships an update every 4 months, and SmartTank Watch every 9 months. Most recently, Ammann ADS was updated on October 27, 2026 and SmartTank Watch on October 7, 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.*