# ThreadBook vs AcuAssist

The clearest difference is price: AcuAssist at Free against ThreadBook's $14.99. AcuAssist also leads on iOS requirement (14.0 vs 17.1). ThreadBook's advantage is rating (4.2 vs 3.0) and update cadence (monthly vs every 29 months). On ads, in-app purchases, monetization model and device support there is nothing between them.

AcuAssist is free to download; ThreadBook costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ThreadBook holds the better App Store score, 4.2 against 3.0. That said, the two scores are not equally well evidenced: ThreadBook has 52 ratings behind it against 2, so its average is the more settled of the two.

ThreadBook ships an update monthly, AcuAssist every 29 months. The most recent releases landed on September 24, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | ThreadBook | AcuAssist |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | **[4.2 (52 ratings)](https://appshunter.io/ios/app/threadbook/id1473738358/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/acuassist/id1552349286/reviews) |
| Number of ratings | **52** | 2 |
| Positive reviews | 65.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 29 months |
| Monetization | Free | Free |
| Best chart rank | **#194** | — |
| Size | 138 MB | 76 MB |
| Requires iOS | 17.1 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Software Miracles](https://appshunter.io/developer/455553681) | [JANOME Corporation](https://appshunter.io/developer/663694195) |

## What reviewers say

### ThreadBook

[App page](https://appshunter.io/ios/app/threadbook/id1473738358)

**Currently charting:** #194 Top Paid · Lifestyle (US App Store)

Manage your sewing, needlework, and embroidery threads with a comprehensive digital library. Track your existing threads, create shopping lists, and find perfect color matches using advanced search or your device's camera. Instantly convert thread colors between brands and types.

**Highlights:** Extensive thread library (50,000+ threads), Track 'My Threads' and 'Shopping List', Search by thread number or color, Color matching via camera or photo, Instant cross-brand thread conversion, Automatic library updates, Cross-device synchronization

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

**In-app purchases:** none


### AcuAssist

[App page](https://appshunter.io/ios/app/acuassist/id1552349286)

This app guides users through sewing machine operation with step-by-step videos and helpful tips. It can connect to compatible machines wirelessly to provide real-time instructions and inspiration, acting as a creative concierge for sewers of all levels.

**Highlights:** Step-by-step illustrative videos, Basic sewing machine knowledge, Wireless connection to sewing machines, Stitch chart and presser foot descriptions, Inspiration for creative projects

**In-app purchases:** none


## Frequently asked questions

### Is ThreadBook free?

ThreadBook costs $14.99, with no in-app purchases.

### Is AcuAssist free?

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

### Which has better reviews, ThreadBook or AcuAssist?

ThreadBook is rated higher. ThreadBook averages 4.2 out of 5 from 52 ratings, while AcuAssist averages 3.0 from 2 ratings.

### Do ThreadBook or AcuAssist have ads?

Neither ThreadBook nor AcuAssist shows ads.

### Which is updated more often, ThreadBook or AcuAssist?

ThreadBook ships an update monthly, and AcuAssist every 29 months. Most recently, ThreadBook was updated on September 24, 2026 and AcuAssist on September 12, 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.*