3D Scratchpad vs Sequence
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
3D Scratchpad
Create 3D models with a user-friendly design tool. Freehand draw in 3D using primitive shapes and gestures. Manipulate objects with augmented reality and share your creations as .usdz files.
- Freehand 3D drawing
- Primitive solid shapes
- Intuitive gestures
- Augmented reality manipulation
- Share as .usdz files
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3D Scratchpad is an easy-to-use, full-featured design tool for creating 3D models. Freehand draw in three dimensions using simple primitive solid shapes and intuitive gestures. Manipulate objects as if they were in the real world with augmented reality, and share your models as .usdz files for viewing in augmented reality. 3D Scratchpad creates a short path between design ideas and useful 3D models for designers, modelers, makers, gamers, 3D-printing enthusiasts, hobbyists, educators, engineers, and architects. Use 3D Scratchpad to create and fabricate prototypes, to model new products, parts, and structures, and to create and share 3D art and designs. 3D Scratchpad enables you to design in the real world. Built to enable immersive, intuitive, and interactive design, 3D Scratchpad unlocks your design creativity and gives you the tools you need to create and share 3D models. Purchasing an auto-renewing 3D Scratchpad Subscription enables the ability to save and share 3D models.
Sequence
This app is a text editor for G-Code and M-Code, designed for machining on CNC and lathe machines. It allows users to import, save, and visualize STL models with a built-in 3D renderer. Subscriptions are available and can be canceled anytime.
- G-Code and M-Code editing
- CNC and lathe machine code support
- Command list for G-Codes and M-Codes
- Import, save, and visualize STL models
- Built-in 3D renderer
- Optional in-app purchase
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Sequence is text editor for editing G-Code and M-Code for machining. Edit machine code for CNC and lathe machines. Browse, and select G-Codes and M-Codes using the provided command list. Import, save, and visualize .stl models. Use the built-in 3D renderer to display imported .stl models. Sequence includes an optional in-app purchase. Subscriptions can be canceled at any time. Terms of use: https://hypercube.graphics/terms-of-use Privacy policy: https://hypercube.graphics/privacy-policy Sequence is made by Hypercube GFX, Inc.
Screenshots
Verdict
The clearest difference is rating: Sequence at 4.3 against 3D Scratchpad's 2.7. Sequence also leads on update cadence (every 10 days vs every 15 months) and ratings volume (65 vs 12). 3D Scratchpad's advantage is review sentiment (19% vs 0%). On price, ads, in-app purchases and monetization model 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. 3D Scratchpad sells 3 in-app purchases, starting at $1.99 per month and Sequence sells 2 in-app purchases, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.
Sequence holds the better App Store score, 4.3 against 2.7. That said, the two scores are not equally well evidenced: Sequence has 65 ratings behind it against 12, so its average is the more settled of the two. Written reviews complicate that: 19% of 3D Scratchpad's written reviews are positive against 0% of Sequence's, so the app with the better star average is not the one people write more warmly about.
3D Scratchpad ships an update every 15 months, Sequence every 10 days. Both last shipped on September 22, 2026.
| Parameter | 3D Scratchpad | Sequence |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (12 ratings) | 4.3 (65 ratings) — better |
| Positive reviews | 18.5% of reviews — better | 0.0% of reviews |
| Number of ratings | 12 | 65 — better |
| Update frequency | Every 15 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Engineered Stuff | Hypercube GFX, Inc. |
Customer experience
3D Scratchpad
Sequence
In-app purchases
3D Scratchpad
- One Month Subscription$1.991 Month
- Six Month Subscription$6.996 Months
- One Year Subscription$9.991 Year
Sequence
- Sequence Plus7 Days trial$9.991 Year
- Sequence Plus$9.991 Year
Questions
Is 3D Scratchpad free?
Is Sequence free?
Which has better reviews, 3D Scratchpad or Sequence?
Do 3D Scratchpad or Sequence have ads?
Which is updated more often, 3D Scratchpad or Sequence?
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