Image Calculator vs Calendar+
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Image Calculator
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Simple calculator. You can see the calculation history. The number displayed on the calculator display can be saved. How to use Percent calculation 10% of 50 50 % 10 = 5 300 plus 10% of 300 300 + 10 % = 330 Subtract 20% of 100 to 100 100 - 20 % = 80 AC Delete all of the calculation. C Move the calculation back one step. ( The previous one is displayed, is displayed the next on input. ) Delete the last digit of the numbers. Swipe the calculator display sideways. ( Copy, Paste, Save ) Numbers on calculator display Tap calculator display. Swipe the row of setting buttons to the right to reveal the memory button. ( iPhone portrait orientation ) To edit the title of the saved numbers. Long press the title. It is calculated by the same calculation method as a general calculator.
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
Screenshots
Verdict
The clearest difference is update cadence: Calendar+ at every 3 months against Image Calculator's every 50 months. Calendar+ also leads on iOS requirement (15.0 vs 17.0). 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.
Image Calculator ships an update every 50 months, Calendar+ every 3 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.
| Parameter | Image Calculator | Calendar+ |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 50 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 372 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Tomoki Hagano | OnePercent |
In-app purchases
Image Calculator
No in-app purchases
Calendar+
No in-app purchases
Questions
Is Image Calculator free?
Is Calendar+ free?
Do Image Calculator or Calendar+ have ads?
Which is updated more often, Image Calculator or Calendar+?
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