GreyStep vs Threadologie
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GreyStep
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Converts an image from the photo library to a 4-value monochrome image.
Threadologie
Design intricate beadwork patterns with powerful yet simple tools. Convert images to bead designs, track your progress, and export professional charts. Suitable for both beginners and experienced crafters.
- Image-to-pattern conversion
- Bead-by-bead tracking
- Directional stitching guidance
- Smart row navigation
- Advanced color editor
- PDF export with word charts
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Create and follow seed bead patterns for peyote stitch, brick stitch and loom beading with Threadologie. Design bracelets, fringe earrings and other beadwork from scratch, turn a photo into a pattern, or choose a free pattern to get started. REAL BEAD COLORS AND REFERENCES Find bead colors from MIYUKI, TOHO, PRECIOSA ORNELA and MATUBO by manufacturer reference. Add them to your pattern palettes so you can identify the beads used in your design. Choose from available bead types, including MIYUKI Delica. FREE PATTERNS TO EXPLORE Browse the in-app library of free bead-weaving patterns and choose a project to follow. FROM PHOTO TO PATTERN Import an image to create an editable pattern. Refine the details, adjust the colors and make the design your own before you start beading. KEEP YOUR PLACE AS YOU BEAD Track your progress bead by bead or row by row, with directional arrows to guide you. Use tubular mode to follow compatible patterns worked in the round, including tubular peyote. DESIGN AROUND YOUR MATERIALS Edit and replace colors, build palettes and experiment with fringe layouts. Choose your bead type and size to estimate the finished dimensions. Save reusable shapes for future designs (Pro). EXPORT AND REOPEN YOUR WORK Export PDFs with word charts, bead counts, legends and QR codes (Pro). Add a cover photo of your finished piece. Scan a Threadologie QR code inside the app to reopen a compatible pattern and continue digitally. Designed for beginners and experts alike, Threadologie brings elegance, clarity, and ease to every step of your beadwork journey. Whether you’re crafting a bracelet, creating fringe earrings, designing peyote patterns for Etsy, or managing large loom projects, Threadologie helps you do it beautifully. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: GreyStep at none against Threadologie's 4. On price, update cadence, ads 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
Both are free to download. Threadologie sells 4 in-app purchases, starting at $2.99 per month. GreyStep asks for nothing beyond the download.
GreyStep ships an update every 6 days, Threadologie weekly. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.
| Parameter | GreyStep | Threadologie |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.6 (93 ratings) — better |
| Positive reviews | — | 84.2% of reviews |
| Number of ratings | — | 93 — better |
| Update frequency | Every 6 days — better | Weekly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 164 MB |
| Age rating | 4+ | 4+ |
| Developer | Yukihiro Shioya | Lucie Levices |
In-app purchases
GreyStep
No in-app purchases
Threadologie
- Creators monthly7 Days trial$2.991 Month
- Creator Pro Monthly7 Days trial$5.991 Month
- Creators Yearly7 Days trial$29.991 Year
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- Creators Pro Yearly7 Days trial$59.991 Year









