Comparison

Calendar+ vs Reminder Book

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

Head to head
About

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.

Highlights
  • Calendar with task markings
  • Event categorization
  • Customizable alerts
  • Theme customization
  • Task management
Features
Read full description

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

About

Reminder Book

Features
Read full description

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

Calendar+4 screens
Reminder Book4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard1 real difference · 9 level
Calendar+ versus Reminder Book: the parameters behind the verdict, then further details
ParameterCalendar+Reminder Book
PriceFreeFree
Rating3.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 3 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size21 MB81 MB
Age rating4+4+
DeveloperOnePercentMayur Laxmanbhai Patel

In-app purchases

None

Calendar+

No in-app purchases

None

Reminder Book

No in-app purchases

Questions

Is Calendar+ free?
Calendar+ is free to download, with no in-app purchases.
Is Reminder Book free?
Reminder Book is free to download, with no in-app purchases.
Do Calendar+ or Reminder Book have ads?
Neither Calendar+ nor Reminder Book shows ads.
Which is updated more often, Calendar+ or Reminder Book?
Calendar+ ships an update every 3 months, and Reminder Book every 5 weeks. Most recently, Calendar+ was updated on October 29, 2026 and Reminder Book on October 25, 2026.

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