3sec Diary vs The Simple Scheduler
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
3sec Diary
Quickly log daily activities and feelings in just three seconds. Your entries are securely stored in your iPhone Calendar, ensuring data safety and easy access. This tool helps you preserve memories and makes research and sharing effortless.
- 3-second daily logging
- Calendar integration
- Secure data storage
- Easy research and sharing
- Memory preservation
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This "3sec Diaryโ is not just a diary. You can input what you did, how you feel in this tool.It will take only 3 seconds!Your time will be saved. And you can leave it on your calendar on iPhone as long as you want. "3sec Diary โ data is not recorded on App on your iPhone.The data is recorded to your iPhone Calendar.You never miss your data when something wrong with this App. Researching ,synchronizing,sharing are so easy. This โ3sec Diaryโ is not just a diary, but your memories.
The Simple Scheduler
This app simplifies business management through intuitive online scheduling. It offers drag-and-drop features for employee schedules, customer invoices, and client appointments, with automated custom reports to streamline operations.
- Drag-and-drop scheduling
- Employee scheduling
- Customer invoices
- Client appointment management
- Custom reports
- Automated scheduling tools
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Simple Scheduler is an online scheduling software and mobile app with drag-and-drop features to make scheduling easier. Whether for employee scheduling, customer invoices, or client appointments, you can easily manage your entire business. With our custom reports, Simple Scheduler provides automated tools to make scheduling easier.
Screenshots
Verdict
The clearest difference is review sentiment: 3sec Diary at 60% against The Simple Scheduler's 0%. 3sec Diary also leads on iOS requirement (12.0 vs 14.0). The Simple Scheduler's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. 3sec Diary sells 1 one-off in-app purchase. The Simple Scheduler asks for nothing beyond the download.
3sec Diary ships an update every 26 months, The Simple Scheduler every 6 months. The most recent releases landed on July 4, 2026 and September 9, 2026 respectively.
| Parameter | 3sec Diary | The Simple Scheduler |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 60.0% of reviews โ better | 0.0% of reviews |
| Update frequency | Every 26 months | Every 6 months โ better |
| Ads | Yes | No โ better |
| In-app purchases | Yes | No โ better |
| Monetization | Free with in-app purchases | Free โ better |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPod |
| Requires iOS | 12.0 โ better | 14.0 |
| Further details โ not scored | ||
| Size | 12 MB | 27 MB |
| Age rating | 4+ | 17+ |
| Developer | KENJI KANEMOTO | Simple Scheduler, LLC |
Customer experience
3sec Diary
The Simple Scheduler
In-app purchases
3sec Diary
- Eliminate Ads$0.99
The Simple Scheduler
No in-app purchases
Questions
Is 3sec Diary free?
Is The Simple Scheduler free?
Do 3sec Diary or The Simple Scheduler have ads?
Which is updated more often, 3sec Diary or The Simple Scheduler?
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