Study Timer vs Smudge
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Study Timer
Read full descriptionHide full description
StudyFlow is a study time tracking app that helps you record and visualize your learning habits. γKey Featuresγ Timer Function Simply select a subject and tap to automatically record your study time. See elapsed time in real-time with the count-up timer. Subject Management Manage study time for each subject. Customize colors and icons to create your personalized study log. Statistics Graphs Display study time for today or this week or this month with beautiful graphs. See your study status at a glance with bar charts and donut charts. Calendar View Display study time on a monthly calendar with a heatmap. Your study habits become visually clear. Goal Setting Set daily or weekly or monthly study time goals. Track achievement rate with a progress bar and get notified when you reach your goals. Study Reminders Set notifications to remind you to study at specific times each day. γPerfect Forγ Students preparing for exams or anyone studying for certifications or language learners or anyone wanting to build better study habits. γFeaturesγ Simple and intuitive interface with beautiful design makes studying enjoyable. All data is stored locally on your device and works offline.
Smudge
This app offers a clean, distraction-free canvas for drawing, sketching, and doodling on your iPhone and iPad. Organize your work into multiple sketchbooks, utilize realistic pencil and charcoal shading, and refine details with a precision eraser. It supports finger drawing and Apple Pencil, with iCloud sync for cross-device access.
- Multiple sketchbooks for organization
- Finger and Apple Pencil support
- Realistic pencil and charcoal shading
- Precision eraser for fine details
- Distraction-free canvas
- iCloud sync across devices
Read full descriptionHide full description
A simple sketchbook for iPhone and iPad. Smudge gives your ideas room to take shape on a clean, distraction-free canvas. CREATE YOUR OWN SKETCHBOOKS Keep your work organized in multiple notebooks. DRAW YOUR WAY Draw with your finger on iPhone and iPad, or use Apple Pencil on a compatible iPad. SHADE WITH PENCIL AND CHARCOAL Build soft layers with pencil, add dark, grainy marks with charcoal, and blend them with Smudge. ERASE THE FINE DETAILS Lift small highlights and details with the Precision Eraser. MADE FOR IPHONE DUO Your page sits on one side of the fold, with your tools on the other. KEEP YOUR IDEAS TOGETHER iCloud sync keeps your notebooks synced across devices. Make room for imperfect sketches and ideas in progress. Terms of Use: https://getsmudge.app/terms
Screenshots
Verdict
The clearest difference is ads: Smudge at none against Study Timer's shown. Smudge also leads on update cadence (every 2 days vs every 4 months). Study Timer's advantage is iOS requirement (15.0 vs 26.0). On price, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Study Timer sells 2 in-app purchases, starting at $4.99 per month and Smudge sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.
Study Timer ships an update every 4 months, Smudge every 2 days. The most recent releases landed on November 5, 2026 and November 9, 2026 respectively.
| Parameter | Study Timer | Smudge |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Every 2 days β better |
| Ads | Yes | No β better |
| In-app purchases | Yes | Yes |
| Monetization | β | Freemium |
| Devices | iPhone, iPad, iPod β better | iPhone, iPad |
| Requires iOS | 15.0 β better | 26.0 |
| Further details β not scored | ||
| Size | 75 MB | 68 MB |
| Age rating | 4+ | 4+ |
| Developer | kota tada | bluedotsoftware |
In-app purchases
Study Timer
- Ad-free for 1 month7 Days trial$4.991 Month
- Ad-free for 1 year14 Days trial$29.991 Year
Smudge
- Smudge Pro - Monthly7 Days trial$5.991 Month
- Smudge Pro - Yearly7 Days trial$49.991 Year









