# iTankData vs Bestway Slide Rule

The clearest difference is update cadence: Bestway Slide Rule at daily against iTankData's every 4 weeks. 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.

iTankData ships an update every 4 weeks, Bestway Slide Rule daily. The most recent releases landed on October 3, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | iTankData | Bestway Slide Rule |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/itankdata/id1033693114/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Daily** |
| Monetization | Free | — |
| Size | 54 MB | 13 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bobby Adkins](https://appshunter.io/developer/1033693113) | [Bestway Oilfield](https://appshunter.io/developer/6803227217) |

## What reviewers say

### iTankData

[App page](https://appshunter.io/ios/app/itankdata/id1033693114)

This app offers advanced monitoring and management of fluid levels in oil extraction tanks. It provides real-time data, intelligent alerts, and remote control capabilities to optimize operations and mitigate risks.

**Highlights:** Real-time fluid level monitoring, Intelligent operational alerts, Comprehensive analytics and reporting, Remote management capabilities, Risk mitigation tools

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

**In-app purchases:** none


### Bestway Slide Rule

[App page](https://appshunter.io/ios/app/bestway-slide-rule/id6803227215)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iTankData free?

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

### Is Bestway Slide Rule free?

Bestway Slide Rule is free to download, with no in-app purchases.

### Do iTankData or Bestway Slide Rule have ads?

Neither iTankData nor Bestway Slide Rule shows ads.

### Which is updated more often, iTankData or Bestway Slide Rule?

iTankData ships an update every 4 weeks, and Bestway Slide Rule daily. Most recently, iTankData was updated on October 3, 2026 and Bestway Slide Rule on October 12, 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.*