Study Stopwatch vs CNau
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Study time tracking
- Subject organization
- Calendar progress review
- Focused session recording
- Progress visualization
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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/
CNau
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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
Verdict
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
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.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.
| Parameter | Study Stopwatch | CNau |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.2 — better | 18.6 |
| Further details — not scored | ||
| Size | 2 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | kotobaz | Rizka Reza Pahlevi |
In-app purchases
Study Stopwatch
- Widget機能$0.99
CNau
- Support CNau$4.99
Questions
Is Study Stopwatch free?
Is CNau free?
Do Study Stopwatch or CNau have ads?
Which is updated more often, Study Stopwatch or CNau?
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