Comparison

Study Stopwatch vs CNau

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

Head to head
About

Study Stopwatch

This app helps you track your study sessions with a simple stopwatch. Organize your learning by subject and visualize your progress on a calendar. Stay focused and motivated to achieve your academic goals.

Highlights
  • Study time tracking
  • Subject organization
  • Calendar progress review
  • Focused session recording
  • Progress visualization
Features
Read full description

Hazime is a simple stopwatch app for tracking your study time. Record your learning sessions, organize your subjects, and review your progress on the calendar. Keep moving forward one focused session at a time. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

CNau

Features
Read full description

Stay organized. Track progress. Master your study journey with CNau. CNau is an all-in-one study companion for students, researchers, and lifelong learners. If you forget tasks, want to measure your daily study performance, or simply want a cleaner, calmer study routine—CNau helps you build better habits and stay on track. Features • Quick task entry & simple organization — capture tasks, study sessions, and notes. • Daily performance tracking — see how your study score evolves over time. • Effort & progress insights — identify patterns and focus where it matters. • Templates & recurring tasks — create repeatable study routines in seconds. • Lightweight reminders — gentle nudges to keep you consistent. • Privacy first — no sign-in, no cloud: all data stays on your device. • Export & share — export your logs to help plan with tutors or advisors. Why CNau? • Minimal setup — start planning in seconds. • Designed for real study workflows — from one-off tasks to long-term research. • Helps you measure effort and results so you can improve steadily. Start organizing your study life smarter — one day at a time with CNau.

Screenshots

Study Stopwatch4 screens
CNau4 screens

Verdict

The call

The clearest difference is iOS requirement: Study Stopwatch at 16.2 against CNau's 18.6. On price, update cadence, ads and in-app purchases 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. Study Stopwatch sells 1 one-off in-app purchase and CNau 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 every 3 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

Scorecard1 real difference · 7 level
Study Stopwatch versus CNau: the parameters behind the verdict, then further details
ParameterStudy StopwatchCNau
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.2 — better18.6
Further details — not scored
Size2 MB24 MB
Age rating4+4+
DeveloperkotobazRizka Reza Pahlevi

In-app purchases

1 purchases

Study Stopwatch

One-time1
  • Widget機能$0.99
1 purchases

CNau

One-time1
  • Support CNau$4.99

Questions

Is Study Stopwatch free?
Study Stopwatch is free to download, with in-app purchases available.
Is CNau free?
CNau is free to download, with in-app purchases available.
Do Study Stopwatch or CNau have ads?
Neither Study Stopwatch nor CNau shows ads.
Which is updated more often, Study Stopwatch or CNau?
Study Stopwatch ships an update every 3 weeks, and CNau every 3 weeks. Most recently, Study Stopwatch was updated on October 24, 2026 and CNau on October 28, 2026.

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