Comparison

Simple Study Log vs Zeitgeist

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

Zeitgeist

Features
Read full description

Zeitgeist is a study timer that keeps track of how much you actually study. You start a session, study, and afterwards you see the numbers. TIMER Study with the Pomodoro method or a free timer. Every session gets a topic with its own color, for example one per subject. STATS The app records every session automatically. You see your daily and weekly goal, your average per study day, your total time, and your best day. GOALS AND STREAKS Set a daily and a weekly goal, and a progress bar shows how far along you are. Study on several days in a row and your streak grows, so the flame stays lit. The activity overview shows which days you studied over the past months. COUNTDOWN Enter a date you're working toward, like an exam or the start of your degree. The app counts down the time you have left. WHAT ZEITGEIST OFFERS Pomodoro or free timer Color-coded topics for your subjects Streaks plus daily and weekly goals Stats and activity history Countdown to a date A calm, clean design with no distractions Zeitgeist is made for university, school, and professional training, anywhere you want to keep track of your study time. Download Zeitgeist and see how much you study.

Screenshots

Simple Study Log4 screens
Zeitgeist4 screens

Verdict

The call

The clearest difference is in-app purchases: Zeitgeist at none against Simple Study Log's 1. Zeitgeist also leads on ads (none vs shown). On price, update cadence, 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. Zeitgeist asks for nothing beyond the download.

UpkeepUpdate frequency

Simple Study Log ships an update every 2 weeks, Zeitgeist every 10 days. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

Scorecard2 real differences · 6 level
Simple Study Log versus Zeitgeist: the parameters behind the verdict, then further details
ParameterSimple Study LogZeitgeist
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 2 weeksEvery 10 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS18.018.0
Further details — not scored
Size16 MB3 MB
Age rating4+4+
Developerishida yutoDaniel Neugebauer

In-app purchases

1 purchases

Simple Study Log

Subscriptions1
  • Premium Plan7 Days trial$0.991 Month
None

Zeitgeist

No in-app purchases

Questions

Is Simple Study Log free?
Simple Study Log is free to download, with in-app purchases available.
Is Zeitgeist free?
Zeitgeist is free to download, with no in-app purchases.
Do Simple Study Log or Zeitgeist have ads?
Simple Study Log shows ads; Zeitgeist does not.
Which is updated more often, Simple Study Log or Zeitgeist?
Simple Study Log ships an update every 2 weeks, and Zeitgeist every 10 days. Most recently, Simple Study Log was updated on October 31, 2026 and Zeitgeist on October 28, 2026.

Other comparisons