# SMARTank vs Fill Safe

The clearest difference is ads: SMARTank at none against Fill Safe's shown. Fill Safe's advantage is update cadence (every 4 days vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

SMARTank ships an update every 3 months, Fill Safe every 4 days. The most recent releases landed on October 5, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | SMARTank | Fill Safe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (17 ratings)](https://appshunter.io/ios/app/smartank/id1131690300/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 129 MB | 49 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Skybitz](https://appshunter.io/developer/1061725729) | [Benjamin Lee](https://appshunter.io/developer/1867644803) |

## What reviewers say

### SMARTank

[App page](https://appshunter.io/ios/app/smartank/id1131690300)

Gain complete visibility and control over your storage tanks from your mobile device. Monitor tank levels, temperature, and location 24/7, and receive custom alerts for efficient inventory management and reduced servicing costs.

**Highlights:** 24/7 tank level, temperature, and location monitoring, Customizable alerts and alarms, GPS tank location, Historical usage trends analysis, Optimized delivery routing, Reduced emergency deliveries

**Features:** macOS Compatibility

**In-app purchases:** none


### Fill Safe

[App page](https://appshunter.io/ios/app/fill-safe/id6757569781)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SMARTank free?

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

### Is Fill Safe free?

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

### Do SMARTank or Fill Safe have ads?

Fill Safe shows ads; SMARTank does not.

### Which is updated more often, SMARTank or Fill Safe?

SMARTank ships an update every 3 months, and Fill Safe every 4 days. Most recently, SMARTank was updated on October 5, 2026 and Fill Safe on September 29, 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.*