Comparison

Simple Study Log vs StudyDay

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

Head to head
About

Simple Study Log

This app helps you start studying faster with a minimalist timer and stopwatch. Track your sessions, view progress with charts, and utilize widgets and Siri for seamless integration into your routine. An optional premium upgrade removes ads and adds a calendar heatmap.

Highlights
  • Minimalist study timer
  • Stopwatch mode
  • Widget support
  • Lock Screen & Dynamic Island integration
  • Siri & Shortcuts automation
  • iCloud sync
  • Progress charts and stats
Features
Read full description

Study Log is a minimalist study timer built for one thing: helping you start studying faster. No subjects, no tags, no setup. Just tap Start. Use Timer or Stopwatch, stay focused with a clear, easy-to-read running screen, and save your session in seconds. Then review your effort with charts and stats. Made to fit your routine ・Start, pause, resume, and save from Widgets ・Track sessions on the Lock Screen & Dynamic Island with Live Activities ・Use Siri & Shortcuts to automate actions ・Keep your records safe with iCloud sync Key features (Free) ・Timer & Stopwatch modes ・Clean session history ・Weekly/monthly graphs + averages ・iCloud sync across devices Optional in-app purchase (Premium) ・Remove ads ・Calendar heatmap view (visualize study density) Start faster. Stay consistent. See progress. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

StudyDay

Features
Read full description

Study timer & focus planner for students and exam takers — track every subject, hit your study goals. StudyDay: Study Timer & Log is a simple, beautiful study tracker built for students and exam takers. Tap to start a stopwatch for any subject, stop when you're done, and your time is saved automatically. No setup, no complexity. KEY FEATURES • Subject Timer — One tap starts a stopwatch for any subject. Switch subjects anytime; the previous one stops automatically. • Monthly Calendar — See which days you studied at a glance. Tap any day to jump straight to the timer. • Study Stickers — After each session, pick a sticker that matches your mood. Your calendar fills up with small victories. • Detailed Statistics — View your study time by day, week, or month. A bar chart shows your weekly rhythm; a donut chart breaks down time by subject. • Manual Entry — Forgot to start the timer? Enter time directly for any subject and date. • Subject Management — Add as many subjects as you need, each with its own color, so your data is always organized. DESIGNED FOR SIMPLICITY No account required. No internet connection needed. All your data stays on your device — private, always. Whether you're preparing for an exam, tracking daily study habits, or just curious how much time you spend on each subject, StudyDay gives you the clarity you need.

Screenshots

Simple Study Log4 screens
StudyDay4 screens

Verdict

The call

The clearest difference is in-app purchases: StudyDay at none against Simple Study Log's 1. StudyDay also leads on update cadence (every 2 weeks vs every 7 months). On price, ads, device support and iOS requirement 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. Simple Study Log sells 1 in-app purchase, starting at $0.99 per month. StudyDay asks for nothing beyond the download.

UpkeepUpdate frequency

Simple Study Log ships an update every 7 months, StudyDay every 2 weeks. The most recent releases landed on October 8, 2026 and October 13, 2026 respectively.

Scorecard2 real differences · 6 level
Simple Study Log versus StudyDay: the parameters behind the verdict, then further details
ParameterSimple Study LogStudyDay
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 7 monthsEvery 2 weeks — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad — betteriPhone
Requires iOS18.017.0 — better
Further details — not scored
Size14 MB5 MB
Age rating4+4+
Developerishida yutoJinyoung Lee

In-app purchases

1 purchases

Simple Study Log

Subscriptions1
  • Premium Plan7 Days trial$0.991 Month
None

StudyDay

No in-app purchases

Questions

Is Simple Study Log free?
Simple Study Log is free to download, with in-app purchases available.
Is StudyDay free?
StudyDay is free to download, with no in-app purchases.
Do Simple Study Log or StudyDay have ads?
Both Simple Study Log and StudyDay show ads.
Which is updated more often, Simple Study Log or StudyDay?
Simple Study Log ships an update every 7 months, and StudyDay every 2 weeks. Most recently, Simple Study Log was updated on October 8, 2026 and StudyDay on October 13, 2026.

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