Calendar+ vs Reminder Book
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calendar+
This utility app offers a customizable calendar and task manager with event categorization and alerts. It provides a visually interactive interface to track and manage all your tasks and scheduled events.
- Calendar with task markings
- Event categorization
- Customizable alerts
- Theme customization
- Task management
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Calendar+ is an advanced alternative to the Built-In Calendar in iOS. Calendar+ allows you to easily track and manage all your Tasks with a neat, interactive, and totally customizable graphical user interface. Calendar+ is - Free with no hidden charges! - Ad-Free! - Available for all platforms! Features: 1. Calendar - A standard calendar with markings depicting completed or upcoming tasks 2. Categorize Events - Add and manage Events such as Birthdays, Anniversaries, or schedule events such as meetings, deadlines, etc. 3. Alerts - Add and manage Alerts for pre-defined events 4. Theme Customization - Customize the whole app. Change the theme of the app to your liking. This app is brought to you by the company OnePercent, based in Bangalore, India. Website: www.OnePercent.club Social Media LinkedIn: Https://Www.Linkedin.Com/Company/Onepercent-Club/ Facebook: Https://Www.Facebook.Com/Fb.Onepercent.Club/ Instagram: Https://Www.Instagram.Com/_onepercent.Club/ Twitter : Https://Twitter.Com/OnePercent_club
Reminder Book
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Warranty Reminder Book is an easy-to-use, free app that saves and organizes all your warranties, and warns you when they are about to expire. Now you can say goodbye to never-ending paper files and lost invoices! With Warranty Reminder Book you can: - Save Money: - Don’t miss out on necessary repairs WHILE you have an active warranty to use! Assert Your Rights: Avoid hassles and decrease stress by having your invoice number and purchase date, WHEREVER, and WHENEVER you need it! Go Paperless: No more disappearing and forever lost warranties! Stop wasting time searching for invoices when you need them. Download the Warranty Reminder Book & forget about paper invoices!
Screenshots
Verdict
The clearest difference is update cadence: Reminder Book at every 5 weeks against Calendar+'s every 3 months. On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
Calendar+ ships an update every 3 months, Reminder Book every 5 weeks. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.
| Parameter | Calendar+ | Reminder Book |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 21 MB | 81 MB |
| Age rating | 4+ | 4+ |
| Developer | OnePercent | Mayur Laxmanbhai Patel |
In-app purchases
Calendar+
No in-app purchases
Reminder Book
No in-app purchases








