# Threadster vs Soul Exercise

The clearest difference is update cadence: Soul Exercise at every 6 days against Threadster's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Threadster sells 3 in-app purchases, starting at $2.99 per month and Soul Exercise sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Threadster ships an update every 6 weeks, Soul Exercise every 6 days. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Threadster | Soul Exercise |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (22 ratings)](https://appshunter.io/ios/app/threadster/id6736578451/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 6 days** |
| Monetization | Freemium | — |
| Size | 116 MB | 7 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Arden Csolkovits](https://appshunter.io/developer/1772496043) | [CHANG HAO LI](https://appshunter.io/developer/1882627276) |

## What reviewers say

### Threadster

[App page](https://appshunter.io/ios/app/threadster/id6736578451)

Manage your thread inventory, projects, and color palettes with this comprehensive tracking app. It offers features for color matching, cost logging, pattern management, and creating custom palettes. Basic features are free, with advanced options available through a subscription.

**Highlights:** Inventory management for 3000+ threads, Color matching with real photos, Project cost and status tracking, Create reusable color palettes, Upload and manage PDF patterns, Custom thread and craft creation

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Threadster Pro | $2.99 | per month |
| Threadster Pro | $14.99 | per 6 months |
| Threadster Pro | $24.99 | per year |


### Soul Exercise

[App page](https://appshunter.io/ios/app/soul-exercise-daily-koans/id6785831331)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access Unlock | $9.99 | one-time |


## Frequently asked questions

### Is Threadster free?

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

### Is Soul Exercise free?

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

### Do Threadster or Soul Exercise have ads?

Neither Threadster nor Soul Exercise shows ads.

### Which is updated more often, Threadster or Soul Exercise?

Threadster ships an update every 6 weeks, and Soul Exercise every 6 days. Most recently, Threadster was updated on November 8, 2026 and Soul Exercise on November 5, 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.*