# MemoDen vs Calendars

The clearest difference is update cadence: Calendars at every 4 days against MemoDen's every 14 months. MemoDen's advantage is iOS requirement (11.0 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

MemoDen ships an update every 14 months, Calendars every 4 days. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | MemoDen | Calendars |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calendars-timedo/id6566174278/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 4 MB | 4 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PC Garage](https://appshunter.io/developer/437200400) | [jietao wu](https://appshunter.io/developer/1490055419) |

## What reviewers say

### MemoDen

[App page](https://appshunter.io/ios/app/memoden/id740382762)

This calculator allows you to store up to five numbers (M1-M5) and view their sum in real-time. It includes functions to clear input, remember numbers, and clear all memory. It also offers tax calculation options for prices including or excluding consumption tax.

**Highlights:** Store up to five numbers (M1-M5), Real-time sum display, Clear input function, Remember numbers to memory, Clear all memory, Calculate price with tax, Calculate price without tax

**Features:** macOS Compatibility

**In-app purchases:** none


### Calendars

[App page](https://appshunter.io/ios/app/calendars-timedo/id6566174278)

This app offers a streamlined approach to managing your schedule with a clean interface. Easily add events, view your daily agenda, and organize tasks with customizable calendar views. Advanced features include recurring events, task management, and goal setting to enhance productivity.

**Highlights:** Clean and user-friendly design, Daily agenda view, Weekly and monthly calendar views, Recurring events, Task management, Goal setting

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MemoDen free?

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

### Is Calendars free?

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

### Do MemoDen or Calendars have ads?

Neither MemoDen nor Calendars shows ads.

### Which is updated more often, MemoDen or Calendars?

MemoDen ships an update every 14 months, and Calendars every 4 days. Most recently, MemoDen was updated on November 1, 2026 and Calendars on October 30, 2026.

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