Comparison

Study Timer vs Smudge

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Study Timer

Features
Read full description

StudyFlow is a study time tracking app that helps you record and visualize your learning habits. 【Key Features】 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. 【Perfect For】 Students preparing for exams or anyone studying for certifications or language learners or anyone wanting to build better study habits. 【Features】 Simple and intuitive interface with beautiful design makes studying enjoyable. All data is stored locally on your device and works offline.

About

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.

Highlights
  • 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
Features
Read 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

Study Timer3 screens
Smudge4 screens

Verdict

The call

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences Β· 4 level
Study Timer versus Smudge: the parameters behind the verdict, then further details
ParameterStudy TimerSmudge
PriceFreeFree
Update frequencyEvery 4 monthsEvery 2 days β€” better
AdsYesNo β€” better
In-app purchasesYesYes
Monetizationβ€”Freemium
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS15.0 β€” better26.0
Further details β€” not scored
Size75 MB68 MB
Age rating4+4+
Developerkota tadabluedotsoftware

In-app purchases

2 purchases

Study Timer

Subscriptions2
  • Ad-free for 1 month7 Days trial$4.991 Month
  • Ad-free for 1 year14 Days trial$29.991 Year
2 purchases

Smudge

Subscriptions2
  • Smudge Pro - Monthly7 Days trial$5.991 Month
  • Smudge Pro - Yearly7 Days trial$49.991 Year

Questions

Is Study Timer free?
Study Timer is free to download, with in-app purchases available.
Is Smudge free?
Smudge is free to download, with in-app purchases available.
Do Study Timer or Smudge have ads?
Study Timer shows ads; Smudge does not.
Which is updated more often, Study Timer or Smudge?
Study Timer ships an update every 4 months, and Smudge every 2 days. Most recently, Study Timer was updated on November 5, 2026 and Smudge on November 9, 2026.

Other comparisons