# AcuSpark vs ThreadBook

The clearest difference is review sentiment: ThreadBook at 66% against AcuSpark's 0%. ThreadBook also leads on rating (4.2 vs 3.0) and chart position (#189 vs unranked). AcuSpark's advantage is price (Free vs $14.99) and iOS requirement (10.0 vs 17.1). On ads, in-app purchases, monetization model and device support there is nothing between them.

AcuSpark 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. Both are backed by a comparable volume of ratings — 11 and 52 respectively. Written reviews point the same way: 0% of AcuSpark's written reviews are positive against 66% of ThreadBook's.

AcuSpark ships an update every 2 months, ThreadBook monthly. The most recent releases landed on October 1, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | AcuSpark | ThreadBook |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | [3.0 (11 ratings)](https://appshunter.io/ios/app/acuspark/id1469885676/reviews) | **[4.2 (52 ratings)](https://appshunter.io/ios/app/threadbook/id1473738358/reviews)** |
| Number of ratings | 11 | **52** |
| Positive reviews | 0.0% of reviews | **65.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Best chart rank | — | **#189** |
| Size | 146 MB | 138 MB |
| Requires iOS | **10.0** | 17.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JANOME Corporation](https://appshunter.io/developer/663694195) | [Software Miracles](https://appshunter.io/developer/455553681) |

## What reviewers say

### AcuSpark

[App page](https://appshunter.io/ios/app/acuspark/id1469885676)

This app guides users on sewing machine operation and offers helpful tips. It can scan QR codes on compatible machines to provide instant answers and inspiration, or function independently as a sewing concierge.

**Highlights:** QR code scanning for machine-specific instructions, Step-by-step illustrative videos, Basic sewing machine knowledge, Presser foot descriptions, Stitch chart, Multilingual support

**In-app purchases:** none


### ThreadBook

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

**Currently charting:** #189 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


## Frequently asked questions

### Is AcuSpark free?

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

### Is ThreadBook free?

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

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

ThreadBook is rated higher. AcuSpark averages 3.0 out of 5 from 11 ratings, while ThreadBook averages 4.2 from 52 ratings.

### Do AcuSpark or ThreadBook have ads?

Neither AcuSpark nor ThreadBook shows ads.

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

AcuSpark ships an update every 2 months, and ThreadBook monthly. Most recently, AcuSpark was updated on October 1, 2026 and ThreadBook on September 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*