Best Digital Drawing Tools for No-Undo, No-Zoom Sketching

For no-undo, no-zoom sketching, consider Krita if you want configurable keyboard and canvas inputs, Procreate for iPad if you want to turn off undo/redo tap gestures, or Smudge for collecting imperfect ideas in a simple notebook. There is no single best app for everyone, and none of these recommendations should be mistaken for a verified, complete no-undo/no-zoom lock. Choose between reducing shortcuts and following an exercise rule yourself.

Disclosure: this guide is published on Smudge's website. It compares documented controls, not hands-on test results. Sources were checked on October 27, 2026; settings and availability may change.

What does a no-undo, no-zoom sketching exercise mean?

Choose a comfortable view before drawing, keep that view, and leave each stroke in place. This is a practice constraint, not a requirement for making good art. A Wacom drawing challenge from 2019 describes drawing with one brush, no zooming, and no undo—an example of imposing rules on digital tools rather than needing an app without those features.

Three approaches are worth separating:

• Self-imposed rules: the app retains its controls; you agree not to use them.
• Shortcut reduction: remove convenient triggers, while menus or other controls remain.
• Enforced restrictions: the app makes the prohibited actions unavailable. Do not assume a distraction-free interface does this.

Which drawing apps suit this exercise, and what remains available?

Can Procreate disable pinch zoom and undo gestures?

It can disable the undo/redo tap gestures, but the documented settings do not establish a pinch-zoom lock. Open Actions → Prefs → Gesture Controls and find Disable Undo and Redo among the general gesture options. The handbook explicitly says this switches off two-finger tap to undo and three-finger tap to redo.

Two similarly named options are easy to misread:

• Disable Touch actions stops finger painting, smudging, and erasing; fingers still invoke gesture shortcuts. It does not mean “disable all touch gestures.” Leave it off if you want to draw with a finger.
• Rotate with pinch zoom controls rotation during a pinch. Turning it off does not switch off zooming.

Procreate separately documents sidebar undo buttons and pinch-to-zoom. For this exercise, fit the canvas before the first stroke, disable the tap shortcuts, and then avoid zoom and undo controls. Full Screen can reduce visible interface clutter, but it is not enforcement. These instructions concern Procreate for iPad, not a claim about identical settings in Procreate Pocket.

How can Krita reduce zoom shortcuts and undo triggers?

Krita separates Keyboard Shortcuts from Canvas Input Settings. Changing only one leaves other ways to navigate.

For a desktop practice setup:

1. Save your current shortcut scheme and preserve your canvas-input profile so you can restore them later.
2. Open Settings → Configure Krita → Keyboard Shortcuts. Search for Undo and Redo and clear their primary and alternate bindings. Review keyboard zoom actions too.
3. In Canvas Input Settings, review the zoom bindings and remove the wheel, drag, or touch bindings you do not want in your exercise profile. Available inputs depend on your device and profile.
4. On a disposable drawing, test your usual wheel, keys, stylus buttons, and touch gestures before starting.

The navigation manual documents keyboard zoom, a status-bar zoom control, and canvas commands in the View menu. Removing shortcuts does not remove those controls or the undo history.

Do not set Undo Stack Size to zero expecting no undo. Krita's General Settings documentation says 0 means unlimited undo commands, the opposite of the intended restriction. Krita is a configurable option, not a one-switch exercise mode; its FAQ also confirms it is not available for iPhone or iPad.

Is Smudge a digital sketchbook for imperfect drawings with no undo?

Smudge's App Store listing documents multiple notebooks, finger drawing on iPhone and iPad, Apple Pencil on compatible iPads, and iCloud notebook sync. A notebook of unfinished attempts fits this exercise; our overview explains that approach.

However, the listing does not document an enforced no-undo or no-zoom mode. Calling it an imperfect sketchbook is not evidence that those actions are absent. Consider it for a self-directed session, not a guaranteed lockout. It also requires iOS/iPadOS 26 or later; Apple Pencil drawing is not available on iPhone.

How should I run a short session without undo or zoom?

Start on a new page, not valuable existing artwork. Choose one brush and a readable view; pick a simple subject such as a leaf or shoe. Keep your strokes, make the next mark rather than correcting the last, and save the attempt. Decide beforehand whether erasing, covering marks, or clearing the page is allowed. Those actions can defeat a stricter “keep every mark” rule even without undo.

Do not sacrifice readability or accessibility for the challenge. Adjust the starting view or relax a rule when necessary. For pocket-friendly alternatives, see our quick iPhone sketchbook guide.

What else should I know? A short FAQ

Does hiding an undo button disable undo?

No. Hiding interface elements and removing shortcuts are different from disabling the underlying action. Check gestures, keyboard bindings, menus, and connected input devices.

Does no zoom mean I must draw at 100%?

Not for the exercise described here. Choose a comfortable scale before starting and keep it fixed. The rule is about avoiding repeated magnification, not a required pixel scale.

Which option should I choose for strict enforcement?

None of these is verified here as a complete lockout. If enforcement matters, check the current app's documentation and test a blank page before relying on it. Procreate and Krita offer useful control changes; Smudge offers a notebook approach for a self-imposed exercise.