# Writers Session Pro vs Harmony Lab

The clearest difference is update cadence: Writers Session Pro at fortnightly against Harmony Lab's every 5 weeks. Harmony Lab's advantage is iOS requirement (17.6 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Writers Session Pro sells 1 one-off in-app purchase and Harmony Lab sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Writers Session Pro ships an update fortnightly, Harmony Lab every 5 weeks. The most recent releases landed on October 10, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Writers Session Pro | Harmony Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/writers-session-pro/id6756976450/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Paid | — |
| Size | 45 MB | 29 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [One In A Billion Ltd](https://appshunter.io/developer/479881389) | [Sean Ray Dvir](https://appshunter.io/developer/1850830113) |

## What reviewers say

### 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 |


### Harmony Lab

[App page](https://appshunter.io/ios/app/harmony-labchord-progressions/id6766231122)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $1.99 | per month |
| Full Access | $4.99 | per month |


## Frequently asked questions

### Is Writers Session Pro free?

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

### Is Harmony Lab free?

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

### Do Writers Session Pro or Harmony Lab have ads?

Neither Writers Session Pro nor Harmony Lab shows ads.

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

Writers Session Pro ships an update fortnightly, and Harmony Lab every 5 weeks. Most recently, Writers Session Pro was updated on October 10, 2026 and Harmony Lab on September 27, 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.*