# Tax Calc Aussie vs O2Tech Calculators

The clearest difference is in-app purchases: O2Tech Calculators at none against Tax Calc Aussie's 1. O2Tech Calculators also leads on ads (none vs shown) and update cadence (every 4 days vs every 5 months). On price and device support there is nothing between them.

Both are free to download. Tax Calc Aussie sells 1 one-off in-app purchase. O2Tech Calculators asks for nothing beyond the download.

Tax Calc Aussie ships an update every 5 months, O2Tech Calculators every 4 days. The most recent releases landed on November 1, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Tax Calc Aussie | O2Tech Calculators |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (7 ratings)](https://appshunter.io/ios/app/tax-calc-aussie/id914471581/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 21 MB | 28 MB |
| Requires iOS | 15.0 | **13** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Roy Alexandre Rollan](https://appshunter.io/developer/914471584) | [SAMUEL R HARVEY](https://appshunter.io/developer/1737755904) |

## What reviewers say

### Tax Calc Aussie

[App page](https://appshunter.io/ios/app/tax-calc-aussie/id914471581)

Easily calculate Australian income tax and salary figures. This tool simplifies complex tax computations, helping you make informed financial decisions quickly. Use these figures as a guide for your personal circumstances.

**Highlights:** Australian tax calculation, Salary computation, Quick financial estimations, Streamlined tax process, Decision-making guide

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $3.99 | one-time |


### O2Tech Calculators

[App page](https://appshunter.io/ios/app/o2tech-calculators/id6741880330)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tax Calc Aussie free?

Tax Calc Aussie is free to download, with in-app purchases available.

### Is O2Tech Calculators free?

O2Tech Calculators is free to download, with no in-app purchases.

### Do Tax Calc Aussie or O2Tech Calculators have ads?

Tax Calc Aussie shows ads; O2Tech Calculators does not.

### Which is updated more often, Tax Calc Aussie or O2Tech Calculators?

Tax Calc Aussie ships an update every 5 months, and O2Tech Calculators every 4 days. Most recently, Tax Calc Aussie was updated on November 1, 2026 and O2Tech Calculators on September 20, 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.*