amu vs PhotoMatch
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
amu
Design and share professional crochet charts with a comprehensive set of tools. Easily create, edit, and export your stitch patterns as PDFs, complete with symbol legends and images.
- Intuitive canvas with zoom and pan
- Powerful editing tools (move, rotate, resize, duplicate)
- Snap to grid and edge for precise placement
- PDF pattern creation with legends and images
- Template and symbol set organization
- Image export and inline text editing
Read full descriptionHide full description
amu is the ultimate crochet chart maker for your smartphone. Design beautiful stitch patterns with 77 crochet symbols and bring your creative ideas to life. Whether you're a beginner or experienced crocheter, amu makes it easy to create, edit, and share professional crochet charts right from your phone. ◆ Intuitive Canvas Pinch to zoom and pan freely. Organize symbols into groups to keep complex charts neat. Use grid lines and circular guides for precise placement. ◆ Powerful Editing Tools • Move: Joystick control for fluid positioning • Rotate: -180° to 180° with customizable anchors • Resize: Change width and height independently • Duplicate: Linear, rotational, and grid duplication • Color: Apply colors to groups and symbols • Highlight: Selected object outlined in blue for clarity ◆ Snap to Grid & Edge Grid snap for even spacing, edge & vertex snap to align objects perfectly. Auto grid interval matches symbol size for precise tiling. ◆ Pattern Design (PDF Creation) Place charts, text, images, and auto-generated symbol legends on A4 or US Letter paper. Export as professional PDF with multiple pages, background patterns, and optional watermarks. ◆ Pattern Design Templates (NEW) Choose from Blank, Simple, Standard, or Multi-part templates with title, chart, and legend areas pre-arranged. Skip the layout work and start producing sale-ready PDFs right away. ◆ Image Placement (NEW) Add finished-product photos or reference images directly to your pattern design. Bundle them in your PDF so buyers see exactly what they're making. ◆ Inline Text Editing (Improved) Edit text on the pattern canvas directly — no dialogs. See positioning while you type for a friction-free workflow. ◆ Auto Symbol Legend Detects all symbols in your charts and generates a categorized legend table with one tap. Include it in your PDF so buyers can easily read your patterns. ◆ Folder Organization Sort canvases into folders by project, technique, or any category. Keep your chart library tidy and easy to navigate. ◆ Symbol Sets Save frequently used symbol combinations as reusable sets. Place them with a single tap — perfect for repeating stitch patterns. **Unlimited for all users.** ◆ Layer Management View all groups and symbols in the layer panel. Reorder with drag & drop, rename, duplicate, or merge groups. ◆ Templates Save canvases as reusable templates. **Unlimited for all users** — keep your favorite patterns ready to deploy. ◆ Image Export Export your chart as a PNG to your device. Share on social media or print. Watermark-free export available with Premium. ◆ More Features • Undo/Redo: Up to 30 history steps • Color Palettes: Save up to 30 favorite colors for quick access (all users) • Multi-language: English, Japanese, Korean, Traditional Chinese • Video Tutorials: In-app tutorial videos • Step-by-step Guide: Interactive tutorial that teaches as you go • Lock Mode: Protect unselected objects from accidental edits • Haptic Feedback: Toggle on/off to your preference • Cloud Backup: Keep data safe across devices (Premium) ◆ Premium Features (amu Premium) • Unlimited Canvases (free: up to 10) • Unlimited Pattern Design Saves (free: up to 5) • Export without Watermark (Image & PDF) • Cloud Backup amu Premium is a monthly auto-renewable subscription. Try all features free for 14 days. After the trial, your subscription renews at the regular price. Cancel anytime from Apple ID settings. Terms of Use: https://teruapp.jp/amu/terms-of-service/ Privacy Policy: https://teruapp.jp/amu/privacy-policy/ ◆ Perfect For • Crocheters designing original stitch patterns • Crafters digitizing handwritten charts • Knitting and crochet communities sharing patterns • Teachers and students in crochet workshops • Handmade sellers creating pattern diagrams • Anyone who loves creating with yarn and hook Start designing your crochet charts today with amu.
PhotoMatch
Read full descriptionHide full description
"I can't tell the difference between these two photos." "I can't compare them properly because the composition is off due to camera shake." "Image Compare" is a highly functional image comparison app designed to solve these exact frustrations. Instantly reveal differences using overlay and wipe displays, along with our powerful "Auto-Alignment." [Key Features] 5 Versatile Comparison Modes: Choose from Blend (overlay), Toggle (A/B switch), Align, Diff (heatmap), and Wipe (slider split). Automatic Misalignment Correction (Auto-Align): Uses advanced feature-point matching to automatically rotate, scale, and apply perspective correction to perfectly align photos with camera shake or compositional shifts. Similar Image Detection: Supports pixel-level exact match detection as well as AI-powered (Vision) scene similarity analysis. Difference Visualization (Heatmap): Detects the differences between two images and brightly highlights areas with major changes. Sensitivity is fully adjustable. Wipe with Luminance Profiles: The wipe feature can display horizontal and vertical luminance waveform graphs, allowing you to numerically verify image differences. [Target Audience] Photographers reviewing continuous or bracketed shots. Creators checking subtle design changes or "before and after" edits. Anyone looking to spot differences in images or perform visual quality checks (inspections). EULA:https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ privacy policy:https://kawasuke.wixsite.com/kawasukestore/privacy-policy
Screenshots
Verdict
The clearest difference is ads: amu at none against PhotoMatch's shown. amu also leads on iOS requirement (15.6 vs 18.0). PhotoMatch's advantage is update cadence (every 3 days vs every 2 weeks). On price, in-app purchases 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. amu sells 1 in-app purchase, starting at $2.99 per month and PhotoMatch sells 6 in-app purchases, starting at $0.49 per month. Whichever you choose, the download price is not the number that matters.
amu ships an update every 2 weeks, PhotoMatch every 3 days. The most recent releases landed on October 24, 2026 and October 5, 2026 respectively.
| Parameter | amu | PhotoMatch |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 40.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks | Every 3 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 18.0 |
| Further details — not scored | ||
| Size | 64 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | yoshiteru oyanagi | Masashi Kawakami |
In-app purchases
amu
- プレミアムプラン - 月額14 Days trial$2.991 Month
PhotoMatch
- Monthly subscription$0.491 Month
- Annual subscription$3.991 Year
- One-time buy for full diff$2.99
- One-time buy for full alignment$3.99
- One-time buy for full slider$5.99
Show 1 moreShow fewer
- One-Time Purchase$12.99









