# Relationship Decoder vs Frequency

The clearest difference is in-app purchases: Frequency at none against Relationship Decoder's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Relationship Decoder sells 3 in-app purchases, starting at $11.99 per month. Frequency asks for nothing beyond the download.

## The numbers

| Metric | Relationship Decoder | Frequency |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/frequency-audio-lessons/id6761681740/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Monetization | — | Free |
| Size | 38 MB | 8 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [Laurent Bottigliengo](https://appshunter.io/developer/1233984041) | [Trace Ferre](https://appshunter.io/developer/1879043285) |

## What reviewers say

### Relationship Decoder

[App page](https://appshunter.io/ios/app/relationship-decoder/id1444353072)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $11.99 | per month |
| Perform 1 relationship Study | $5.99 | one-time |
| Unlimited Access | $299.99 | one-time |


### Frequency

[App page](https://appshunter.io/ios/app/frequency-audio-lessons/id6761681740)

Transform any subject into structured audio lessons you can listen to like a podcast. Generate multi-lesson plans tailored to your learning level, with options for quick summaries or in-depth courses. Learn on the go by listening or reading, and customize your experience with adjustable depth and lesson length.

**Highlights:** AI-generated audio lesson plans, Customizable lesson depth and length, Listen or read lesson content, Progress tracking, Quick answer summaries, Learn on the go

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

**In-app purchases:** none


## Frequently asked questions

### Is Relationship Decoder free?

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

### Is Frequency free?

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

### Do Relationship Decoder or Frequency have ads?

Neither Relationship Decoder nor Frequency 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.*