Comparison

StudyLog vs Stackd

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

Head to head
About

StudyLog

Effortlessly track your study sessions and exam preparation with a focus on speed and simplicity. Features include instant recording, goal setting, and visual progress tracking. Enjoy cloud backup and customization options for a distraction-free learning experience.

Highlights
  • Instant study session recording
  • Automatic time tracking by subject
  • Study streak tracking
  • Customizable study goals
  • Calendar and heatmap visualizations
  • Home screen widget
  • Secure cloud backup
Features
Read full description

StudyLog is a simple, fast study tracker for recording study time and building consistent learning habits. Use it for school, exams, certifications, language learning, or any daily study routine. Start a session in one tap, track time by subject, and see today’s progress, streaks, and goals at a glance. Calendar views, yearly heatmaps, and subject statistics make it easy to review your effort and stay motivated. Key features • Study time tracking by subject • Fast study timer • Daily, weekly, and monthly goals • Study streaks • Calendar and yearly heatmap • Subject statistics and charts • Home Screen widgets • iCloud backup and sync • 32 color themes Perfect for • Students tracking study hours • Exam and certification preparation • Building a daily study habit • Anyone who wants a clean, focused study timer • Reviewing progress with calendars and statistics Your study data stays on your device and can sync with iCloud. Download StudyLog and turn your daily study effort into visible progress. Terms of Use This app follows Apple’s standard End User License Agreement (EULA). https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Stackd

Features
Read full description

This is a simple study timer app that allows you to record and manage your study time by subject. Simply measure your time with the timer and save it. You can also log sessions manually or add entries for past dates. You can record everything together, including subjects, study materials, pages, and notes. You can view the big picture of your studies by checking your subject balance with weekly graphs and reviewing your progress streaks on the calendar. No ads, no social media features, and no account registration required. All data is saved on your device, so there are no privacy concerns. Perfect for anyone who wants to focus on learning, from exam preparation to certifications and language studies. [Main Features] - 3 timer modes (Stopwatch, Countdown, Pomodoro) - Management of subjects, materials, pages, and notes - Weekly graphs to check subject balance (bar chart & donut chart) - Calendar to visualize study days with color-coding - Display of consecutive study days (streaks) - Daily study reminder - Backup and data export functions [Stackd Pro (One-time purchase)] - Monthly graphs and cumulative line graphs - Setting weekly goals and checking achievement rates - 9 color themes - Home screen and lock screen widgets

Screenshots

StudyLog4 screens
Stackd4 screens

Verdict

The call

The clearest difference is ads: Stackd at none against StudyLog's shown. On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. StudyLog sells 4 in-app purchases, starting at $0.99 per month and Stackd sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on August 27, 2026 and September 14, 2026 respectively.

Scorecard1 real difference · 8 level
StudyLog versus Stackd: the parameters behind the verdict, then further details
ParameterStudyLogStackd
PriceFreeFree
Rating4.8 (4 ratings) — better—
Number of ratings4 — better—
Update frequencyFortnightlyFortnightly
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone
Requires iOS17.6 — better18
Further details — not scored
Size10 MB3 MB
Age rating4+4+
DeveloperBYNETNene Nakagawa

In-app purchases

4 purchases

StudyLog

Subscriptions4
  • Premium Features (Monthly)$0.991 Month
  • Premium Monthly$2.991 Month
  • 年額プラン:プレミアム機能(年額)$9.991 Year
Show 1 more
  • Premium Yearly$14.991 Year
1 purchases

Stackd

One-time1
  • Stackd Pro$1.99

Questions

Is StudyLog free?
StudyLog is free to download, with in-app purchases available.
Is Stackd free?
Stackd is free to download, with in-app purchases available.
Do StudyLog or Stackd have ads?
StudyLog shows ads; Stackd does not.
Which is updated more often, StudyLog or Stackd?
StudyLog ships an update fortnightly, and Stackd fortnightly. Most recently, StudyLog was updated on August 27, 2026 and Stackd on September 14, 2026.

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