# Frequency Conversion vs Percentage Calculator All in 1

The clearest difference is price: Percentage Calculator All in 1 at Free against Frequency Conversion's $2.99. Percentage Calculator All in 1 also leads on update cadence (every 2 months vs every 22 months) and iOS requirement (12.1 vs 17.6). On ads, in-app purchases and device support there is nothing between them.

Percentage Calculator All in 1 is free to download; Frequency Conversion costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Frequency Conversion ships an update every 22 months, Percentage Calculator All in 1 every 2 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Frequency Conversion | Percentage Calculator All in 1 |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 2 months** |
| Size | 2 MB | 14 MB |
| Requires iOS | 17.6 | **12.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Heng Jia Liang](https://appshunter.io/developer/1532000635) | [Krzysztof Gwiazda](https://appshunter.io/developer/1546740383) |

## What reviewers say

### Frequency Conversion

[App page](https://appshunter.io/ios/app/frequency-conversion/id6444392460)

**Features:** macOS Compatibility

**In-app purchases:** none


### Percentage Calculator All in 1

[App page](https://appshunter.io/ios/app/percentage-calculator-all-in-1/id6463870039)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Frequency Conversion free?

Frequency Conversion costs $2.99, with no in-app purchases.

### Is Percentage Calculator All in 1 free?

Percentage Calculator All in 1 is free to download, with no in-app purchases.

### Do Frequency Conversion or Percentage Calculator All in 1 have ads?

Neither Frequency Conversion nor Percentage Calculator All in 1 shows ads.

### Which is updated more often, Frequency Conversion or Percentage Calculator All in 1?

Frequency Conversion ships an update every 22 months, and Percentage Calculator All in 1 every 2 months. Most recently, Frequency Conversion was updated on November 3, 2026 and Percentage Calculator All in 1 on November 3, 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.*