Dot Studio vs TraceLock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Dot Studio
Transform your photos into printable coloring pages and dot-to-dot puzzles with this easy-to-use tool. It offers high-resolution exports and works entirely offline for complete privacy. Unlock full features with a one-time purchase.
- Photo to sketch conversion
- Line art and coloring page creation
- Dot-to-dot puzzle generation
- High-resolution exports (300 DPI)
- KDP-ready output formats
- Offline processing and privacy
- Batch saving
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Dot Studio: Dot to Dot & Coloring Page Maker, Photo to Sketch, Line Art & Puzzles === SIMPLE. FAST. PRIVATE. === Dot Studio is a Ultra-Lightweight tool designed to do one thing well: turn your photos into Coloring Pages and Dot to Dot puzzles. No complicated settings, no hidden menus, just a straightforward 3-step process to transform your memories into printable art. === HOW IT WORKS === We believe in a simple, distraction-free workflow: 1. The Sketch: Turn any photo into a clean outline instantly. 2. Line Art: Refine the sketch into a clear, printable Coloring Page. 3. Dot to Dot: Convert your art into a numbered puzzle. === BUILT FOR PRINTING === We focused on the details so you don't have to struggle with blurry files: - HIGH-RESOLUTION EXPORTS: Save at 300 DPI (3600x3600px) for crisp printing. - KDP-READY: Output formats designed for activity book interiors. - BATCH SAVE: Save multiple designs at once with your custom settings. - ANCHOR REGIONS: Preserve important details like eyes and faces in your art. === PRIVACY BY DESIGN === Your photos are your business. Dot Studio works entirely on your device: - NO INTERNET REQUIRED: Process your art anywhere, anytime. - YOUR DATA STAYS LOCAL: We don't use servers and we never see your photos. - ULTRA-LIGHTWEIGHT: At just ~20MB, Dot Studio is a powerful engine in a tiny package. It installs instantly and respects your device's storage. === KEY FEATURES === Instant Conversion: Go from photo to puzzle in seconds. Print-Ready Files: Save clean PNG or PDF versions of your art. Great for KDP publishing, teachers, parents, and puzzle enthusiasts. No Subscriptions: Buy it once, own it forever. === FULL STUDIO UNLOCK (One-Time Purchase) === Unlock the full potential of Dot Studio for a single payment of $9.99 USD. High-Resolution Export: Professional 3600x3600px (300 DPI) output perfect for KDP publishing and print. 100+ Saved Puzzles: Extended history storage (vs. 3 for free version). Unlimited Creation: Create as many puzzles as you want without restrictions. Support Indie Devs: No recurring fees, no tracking, just a tool that works. === LEGAL AND SUPPORT === Terms of Service: https://nextframe.dev/dotstudio/terms.html Privacy Policy: https://nextframe.dev/dotstudio/privacy-policy.html Support: explainthisapp@gmail.com
TraceLock
Transform your device into a digital tracing lightbox. Import images, adjust them to fit your paper, and lock the screen to prevent accidental touches while you trace. Enjoy a focused, ad-free experience with on-device processing.
- Import images from Photos
- Convert images to sketch styles
- Scale, move, rotate, and mirror images
- Lock screen to prevent accidental touches
- Keep display awake and at full brightness
- Safe unlock by holding for two seconds
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Turn your iPhone or iPad into a tracing lightbox: import an image, position it, lock the screen against accidental touches, place paper on top, and trace. TraceLock is intentionally focused. It solves one specific job with no account, no ads, and no cloud photo uploads. • Import an image from Photos • Convert it to sketch, outline, comic, black-and-white, or high contrast • Scale, move, rotate, and mirror it to fit your paper • Lock the canvas so paper and palms do not move the image • Keep the display awake and use full brightness while tracing • Hold for two seconds to unlock safely Photo processing happens on your device. TraceLock does not collect personal data. Try every feature with total peace of mind.
Screenshots
Verdict
The clearest difference is review sentiment: TraceLock at 100% against Dot Studio's 0%. TraceLock also leads on monetization model (free vs free with in-app purchases). Dot Studio's advantage is iOS requirement (13.0 vs 16.0). On price, ads, 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. Dot Studio sells 1 one-off in-app purchase and TraceLock sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
| Parameter | Dot Studio | TraceLock |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 1 — better |
| Update frequency | Daily | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 25 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Lu Li | 帅 王 |
Customer experience
Dot Studio
TraceLock
In-app purchases
Dot Studio
- Pro Unlock$9.99
TraceLock
- Lifetime Unlock$3.99









