# Frequency Converter vs Purge

The clearest difference is update cadence: Purge at weekly against Frequency Converter's every 64 months. Frequency Converter's advantage is ratings volume (8 vs 1) and device support (3 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Frequency Converter sells 3 in-app purchases, starting at $0.99 per 7 days and Purge sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Frequency Converter against 5.0 for Purge. That said, the two scores are not equally well evidenced: Frequency Converter has 8 ratings behind it against 1, so its average is the more settled of the two.

Frequency Converter ships an update every 64 months, Purge weekly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Frequency Converter | Purge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (8 ratings)](https://appshunter.io/ios/app/frequency-converter/id1539673060/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/purge-declutter-photos/id6762089158/reviews) |
| Number of ratings | **8** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 64 months | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 2 MB | 10 MB |
| Requires iOS | **13.4** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Anna Filobok](https://appshunter.io/developer/1613515832) | [Lucas Scariot](https://appshunter.io/developer/1836607580) |

## What reviewers say

### Frequency Converter

[App page](https://appshunter.io/ios/app/frequency-converter/id1539673060)

Easily convert frequencies between Hertz, Kilohertz, Megahertz, and Gigahertz. This tool is designed for builders, electricians, scientists, and anyone needing quick frequency conversions.

**Highlights:** Convert Hertz (Hz), Convert Kilohertz (kHz), Convert Megahertz (MHz), Convert Gigahertz (GHz), Fast conversions, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $0.99 | per 7 days |
| Premium Access | $1.99 | per month |
| Premium Access | $5.99 | per year |


### Purge

[App page](https://appshunter.io/ios/app/purge-declutter-photos/id6762089158)

This app helps you reclaim storage space by intelligently identifying and grouping duplicate, similar, and unwanted photos on your device. It offers a streamlined process to review and delete images, making your camera roll more organized and manageable without uploading your data.

**Highlights:** Smart photo grouping, Tap to mark for deletion, Pinch to compare similar shots, Timeline view of photos, Cleanup progress tracking, On-device processing for privacy

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Purge Plus Weekly | $2.99 | per 7 days |
| Purge Plus Monthly | $3.99 | per month |
| Purge Plus Yearly | $22.99 | per year |


## Frequently asked questions

### Is Frequency Converter free?

Frequency Converter is free to download, with in-app purchases available.

### Is Purge free?

Purge is free to download, with in-app purchases available.

### Which has better reviews, Frequency Converter or Purge?

Frequency Converter and Purge are both rated 5.0 out of 5 on the App Store, from 8 and 1 ratings respectively.

### Do Frequency Converter or Purge have ads?

Neither Frequency Converter nor Purge shows ads.

### Which is updated more often, Frequency Converter or Purge?

Frequency Converter ships an update every 64 months, and Purge weekly. Most recently, Frequency Converter was updated on November 3, 2026 and Purge on October 31, 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.*