# iOTOTO vs Tank Volume Calculation

The clearest difference is in-app purchases: iOTOTO at none against Tank Volume Calculation's 1. iOTOTO also leads on iOS requirement (9.0 vs 12.0). Tank Volume Calculation's advantage is ratings volume (5 vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. Tank Volume Calculation sells 1 one-off in-app purchase. iOTOTO asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.0 for iOTOTO against 4.0 for Tank Volume Calculation. That said, the two scores are not equally well evidenced: Tank Volume Calculation has 5 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | iOTOTO | Tank Volume Calculation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/iototo/id1415644256/reviews) | [4.0 (5 ratings)](https://appshunter.io/ios/app/tank-volume-calculation/id6740401902/reviews) |
| Number of ratings | 1 | **5** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | **Free** | Free with in-app purchases |
| Size | 31 MB | 65 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ZONControl](https://appshunter.io/developer/516496411) | [Ashvin Kevadiya](https://appshunter.io/developer/1756324971) |

## What reviewers say

### iOTOTO

[App page](https://appshunter.io/ios/app/iototo/id1415644256)

This application provides fleet managers with real-time asset information, including location tracking, trip history, and alerts. It also offers an immobilizer feature and engine diagnostics for comprehensive fleet oversight on the go.

**Highlights:** Real-time asset location tracking, History of asset trips, Real-time alerts, Immobilizer feature, Engine diagnostics

**In-app purchases:** none


### Tank Volume Calculation

[App page](https://appshunter.io/ios/app/tank-volume-calculation/id6740401902)

Calculate the volume and weight of liquid in various tank shapes. Convert between units and save your results. Optimized for efficiency and ease of use.

**Highlights:** Volume calculations for various tank shapes, Liquid weight calculation with density, Built-in volume unit converter, Metric and imperial unit support, Save and share calculation results, Optimized for tablets and mobile

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime | $3.99 | one-time |


## Frequently asked questions

### Is iOTOTO free?

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

### Is Tank Volume Calculation free?

Tank Volume Calculation is free to download, with in-app purchases available.

### Which has better reviews, iOTOTO or Tank Volume Calculation?

iOTOTO and Tank Volume Calculation are both rated 4.0 out of 5 on the App Store, from 1 and 5 ratings respectively.

### Do iOTOTO or Tank Volume Calculation have ads?

Neither iOTOTO nor Tank Volume Calculation shows ads.

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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.*