# AcuMonitor vs ThreadBook

The clearest difference is review sentiment: ThreadBook at 66% against AcuMonitor's 13%. ThreadBook also leads on rating (4.2 vs 2.7) and update cadence (monthly vs every 8 months). AcuMonitor's advantage is price (Free vs $14.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

AcuMonitor 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 2.7. That said, the two scores are not equally well evidenced: ThreadBook has 52 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 13% of AcuMonitor's written reviews are positive against 66% of ThreadBook's.

AcuMonitor ships an update every 8 months, ThreadBook monthly. The most recent releases landed on September 12, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | AcuMonitor | ThreadBook |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | [2.7 (6 ratings)](https://appshunter.io/ios/app/acumonitor/id669871386/reviews) | **[4.2 (52 ratings)](https://appshunter.io/ios/app/threadbook/id1473738358/reviews)** |
| Number of ratings | 6 | **52** |
| Positive reviews | 12.5% of reviews | **65.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Monetization | Free | Free |
| Best chart rank | — | **#194** |
| Size | 12 MB | 138 MB |
| Requires iOS | **16** | 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

### AcuMonitor

[App page](https://appshunter.io/ios/app/acumonitor/id669871386)

Monitor your embroidery machine's progress remotely via Wi-Fi on your iOS device. Check status, view thread colors, and see the needle drop point, allowing you to multitask while your machine works.

**Highlights:** Remote embroidery progress monitoring, Check machine status messages and icons, View thread colors for current design, Estimate time until next thread change, Display needle drop point, Magnifying function for design detail, Demonstration mode for offline use

**In-app purchases:** none


### 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


## Frequently asked questions

### Is AcuMonitor free?

AcuMonitor 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, AcuMonitor or ThreadBook?

ThreadBook is rated higher. AcuMonitor averages 2.7 out of 5 from 6 ratings, while ThreadBook averages 4.2 from 52 ratings.

### Do AcuMonitor or ThreadBook have ads?

Neither AcuMonitor nor ThreadBook shows ads.

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

AcuMonitor ships an update every 8 months, and ThreadBook monthly. Most recently, AcuMonitor was updated on September 12, 2026 and ThreadBook on September 24, 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.*