dot Customizer vs AcuSpark
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
dot Customizer
Create and edit custom embroidery designs with a library of built-in patterns and fonts. Send designs wirelessly to compatible machines for stitching. Suitable for all skill levels, from beginners to experts.
- Create and edit embroidery designs
- Wireless design transfer to machines
- Combine designs with letters/words
- 260 built-in embroidery designs
- 13 different fonts
- Beginner and advanced modes
- Embroidery simulation and trace functions
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dot Customizer is a free application for using with compatible embroidery machines. With this app, you can create and edit embroidery designs and send them directly to the machine for embroidering. Great embroidery fun for everyone from beginners to experts! What you can do: · Simply choose any of the built-in designs and send wirelessly to the embroidery machine for stitching out (no need for cords or USB sticks to transfer designs). · Combine embroidery designs with letters/words to create original designs. · Add embroidery to other projects. · Create original lettering designs with your favorite fonts. Main features: · 260 built-in embroidery designs from a range of categories · 12 different English fonts plus one Japanese font (incl. Kanji) · 2 different modes including easy-to-use "Beginner level" · A variety of editing functions: copy/paste/resize/stitch density adjustment/color selection/positioning etc. · Embroidery simulation and trace functions to check the position on the fabric before stitching out Supported OS: iOS 12.0 or later Supported screen size: 4.7 inches or larger
AcuSpark
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.
- QR code scanning for machine-specific instructions
- Step-by-step illustrative videos
- Basic sewing machine knowledge
- Presser foot descriptions
- Stitch chart
- Multilingual support
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AcuSpark is an app that explains how to use the sewing machine and provides useful tips. Read the QR code displayed on the sewing machine screen with AcuSpark and all your questions will be answered. AcuSpark can also be used without a sewing machine. The app acts as a concierge, offering support and inspiring new ideas. AcuSpark is compatible with the following sewing machine models: * Continental M7 Professional Reading QR codes (linking with sewing machine) * When the QR codes displayed on the sewing machine screen are read with AcuSpark, instructions and know-how related to the status of the sewing machine appear in the app. Features * Offers basic knowledge on how to use the sewing machine. * Step-by-step illustrative videos for learning special sewing methods are available. * Anyone of any generation can learn about sewing machine operation. Other functions * Easy-to-understand instructions using videos with illustrations * Presser foot descriptions (including optional items) * Includes a stitch chart containing the sewing machine's built-in stitches Supported languages are as follows: * English * French * Spanish * Changing language settings Language settings can be adjusted through device settings (Settings -> General -> Language & Region).
Screenshots
Verdict
dot Customizer and AcuSpark both sit at 3.1 stars, but that hides the real split: 23% of dot Customizer's written reviews are positive against 0% of AcuSpark's. AcuSpark's advantage is iOS requirement (10.0 vs 12.0). On price, rating, ratings volume and update cadence 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 3.1 for dot Customizer against 3.0 for AcuSpark. Both are backed by a comparable volume of ratings — 14 and 11 respectively. Written reviews are what separate them: 23% of dot Customizer's written reviews are positive against 0% of AcuSpark's.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 20, 2026 and October 1, 2026 respectively.
| Parameter | dot Customizer | AcuSpark |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (14 ratings) — better | 3.0 (11 ratings) |
| Positive reviews | 22.7% of reviews — better | 0.0% of reviews |
| Number of ratings | 14 — better | 11 |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 188 MB | 146 MB |
| Age rating | 4+ | 4+ |
| Developer | DRAWstitch International Ltd. | JANOME Corporation |
Customer experience
dot Customizer
AcuSpark
In-app purchases
dot Customizer
No in-app purchases
AcuSpark
No in-app purchases









