ScreenSaverTool vs ThreadBook
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ScreenSaverTool
Easily set custom screen saver images for your Janome sewing machine using your iOS device. Upload photos from your camera or camera roll, edit them, and send them wirelessly to personalize your machine's display.
- Set screen saver images wirelessly
- Use photos from camera or camera roll
- Image editing tools
- Time display setting
- Preview function
- Compatible with specific Janome models
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The Screen Saver Tool allows you to set the screen saver image for your Janome sewing machine using your iOS device and Wireless LAN. Photos taken and images saved on your device can be used as screen savers for your sewing machine and you can enjoy your own original screen saver! The Screensaver Tool is compatible with the following sewing machine models: Please check the following web page: https://www7.janome.co.jp/global/softupdate/screensavertool/ Link with Sewing Machine * Screen saver images can be sent to the sewing machine. Tool details * Camera function * Camera roll import * Image editing (rotation, expanding, shrinking, center arrangement) * Time display setting * Preview function Usage conditions: * For iOS 14 or above, please allow the app access to find and connect to devices on your local network.
ThreadBook
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.
- 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
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Description ThreadBook is the ideal tool for managing the threads you use for sewing, needlework, or embroidery. It contains a library of more than 50,000 threads from over 600 different manufacturers, available with a touch of your finger. Using ThreadBook you can: * Set your favorite brands to narrow matching choices * Track the threads you have in the “My Threads” collection * Track the threads you need in the “Shopping List” collection * Find threads with a particular thread number, including partial numbers * Find threads that match your chosen color * Find threads that match any color using the camera on your device or a previously made photo * Instantly create a chart to convert any brand and type of thread to a matching color in any other brand and type * Create your own charts for converting any brand to the best match in one or more other brands * Convert a list of thread colors, such as that often provided with embroidery designs, to any brand and type Additional features include: * One tap instant match for any thread * Automatic updating of the library as new threads are added * Your “My Threads” and “Shopping List” collections are synchronized between all your devices
Screenshots
Verdict
The clearest difference is price: ScreenSaverTool at Free against ThreadBook's $14.99. ScreenSaverTool also leads on iOS requirement (13.0 vs 17.1). ThreadBook's advantage is rating (4.2 vs 1.7) and review sentiment (66% vs 25%). On ads, in-app purchases, monetization model and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
ScreenSaverTool 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 1.7. That said, the two scores are not equally well evidenced: ThreadBook has 52 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 25% of ScreenSaverTool's written reviews are positive against 66% of ThreadBook's.
ScreenSaverTool ships an update every 11 months, ThreadBook monthly. The most recent releases landed on October 1, 2026 and September 28, 2026 respectively.
| Parameter | ScreenSaverTool | ThreadBook |
|---|---|---|
| Price | Free — better | $14.99 |
| Rating | 1.7 (7 ratings) | 4.2 (52 ratings) — better |
| Positive reviews | 25.0% of reviews | 65.9% of reviews — better |
| Number of ratings | 7 | 52 — better |
| Update frequency | Every 11 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | — | #189 — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.1 |
| Further details — not scored | ||
| Size | 1 MB | 138 MB |
| Age rating | 4+ | 4+ |
| Developer | JANOME Corporation | Software Miracles |
Customer experience
ScreenSaverTool
ThreadBook
In-app purchases
ScreenSaverTool
No in-app purchases
ThreadBook
No in-app purchases
