# Pentatonics vs Writers Session Pro

The clearest difference is review sentiment: Pentatonics at 100% against Writers Session Pro's 0%. Pentatonics also leads on in-app purchases (none vs 1) and chart position (#179 vs unranked). Writers Session Pro's advantage is price (Free vs $0.99). On update cadence, ads, monetization model and device support there is nothing between them.

Writers Session Pro is free to download; Pentatonics costs $0.99 up front. Writers Session Pro sells 1 one-off in-app purchase. Pentatonics asks for nothing beyond the download.

Pentatonics ships an update every 9 days, Writers Session Pro fortnightly. The most recent releases landed on September 30, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Pentatonics | Writers Session Pro |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/writers-session-pro/id6756976450/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Monetization | Paid | Paid |
| Best chart rank | **#179** | — |
| Size | 1 MB | 45 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Oliver Richard Erich Naumann](https://appshunter.io/developer/1790724923) | [One In A Billion Ltd](https://appshunter.io/developer/479881389) |

## What reviewers say

### Pentatonics

[App page](https://appshunter.io/ios/app/pentatonics-take-five/id6746047183)

**Currently charting:** #179 Top Paid · Music (US App Store)

This app visualizes five-note scales and their connection to chords, offering a unique way to explore musical expression. It helps musicians improvise, compose, and understand harmony with clear visual aids and smart filtering options.

**Highlights:** Pentagon scale-chord visualizer, Six curated pentatonic scales, Smart chord filtering, Two-way transposition, Layered interval insight, Highlight chord tones, Save favorite combinations

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

**In-app purchases:** none


### Writers Session Pro

[App page](https://appshunter.io/ios/app/writers-session-pro/id6756976450)

This app is a comprehensive songwriting companion that allows musicians to capture lyrics, record audio ideas, and organize their creative sessions. It offers a rich text editor, audio recording with waveform playback, and a suite of tools including a rhyming dictionary and metronome. Track your progress with writing statistics and set daily goals.

**Highlights:** Rich text editor with formatting, Organize sessions with folders and tags, Audio recorder with waveform playback, Rhyming dictionary and synonym finder, Built-in metronome, Writing statistics dashboard, iCloud sync across devices

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Writers Session Pro - Full Version | $9.99 | one-time |


## Frequently asked questions

### Is Pentatonics free?

Pentatonics costs $0.99, with no in-app purchases.

### Is Writers Session Pro free?

Writers Session Pro is free to download, with in-app purchases available.

### Do Pentatonics or Writers Session Pro have ads?

Neither Pentatonics nor Writers Session Pro shows ads.

### Which is updated more often, Pentatonics or Writers Session Pro?

Pentatonics ships an update every 9 days, and Writers Session Pro fortnightly. Most recently, Pentatonics was updated on September 30, 2026 and Writers Session Pro on October 10, 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.*