# Image Calculator vs Calendar+

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.

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 13, 2026 respectively.

## The numbers

| Metric | Image Calculator | Calendar+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/calendar-plus-event-scheduling/id1542331391/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 50 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 372 MB | 21 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tomoki Hagano](https://appshunter.io/developer/1508301579) | [OnePercent](https://appshunter.io/developer/1536020418) |

## What reviewers say

### Image Calculator

[App page](https://appshunter.io/ios/app/image-calculator/id1508377385)

**Features:** macOS Compatibility

**In-app purchases:** none


### Calendar+

[App page](https://appshunter.io/ios/app/calendar-plus-event-scheduling/id1542331391)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Image Calculator free?

Image Calculator is free to download, with no in-app purchases.

### Is Calendar+ free?

Calendar+ is free to download, with no in-app purchases.

### Do Image Calculator or Calendar+ have ads?

Neither Image Calculator nor Calendar+ shows ads.

### Which is updated more often, Image Calculator or Calendar+?

Image Calculator ships an update every 50 months, and Calendar+ every 3 months. Most recently, Image Calculator was updated on November 7, 2026 and Calendar+ on November 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*