# DuoCal vs Adele（アデル）

The clearest difference is in-app purchases: Adele（アデル） at none against DuoCal's 2. Adele（アデル） also leads on ads (none vs shown). DuoCal's advantage is update cadence (every 3 months vs every 23 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. DuoCal sells 2 one-off in-app purchases. Adele（アデル） asks for nothing beyond the download.

DuoCal ships an update every 3 months, Adele（アデル） every 23 months. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | DuoCal | Adele（アデル） |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/duocal/id1502205499/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 23 months |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 4 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WAZAnauts LLC](https://appshunter.io/developer/1452730041) | [shingo kamei](https://appshunter.io/developer/1256845824) |

## What reviewers say

### DuoCal

[App page](https://appshunter.io/ios/app/duocal/id1502205499)

Compare monthly calendars side-by-side from different years or months. Organize events with customizable labels and share your schedule with others. Syncs with iOS and Google calendars.

**Highlights:** Side-by-side calendar view, Multiple calendar creation, Calendar sharing via Dropbox, iOS and Google Calendar sync, Customizable labels with colors and sizes, Label templates, Memos separate from dates

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Import Palu calendars | $0.99 | one-time |
| Remove Ads | $8.99 | one-time |


### Adele（アデル）

[App page](https://appshunter.io/ios/app/adele/id1563848814)

**In-app purchases:** none


## Frequently asked questions

### Is DuoCal free?

DuoCal is free to download, with in-app purchases available.

### Is Adele（アデル） free?

Adele（アデル） is free to download, with no in-app purchases.

### Do DuoCal or Adele（アデル） have ads?

DuoCal shows ads; Adele（アデル） does not.

### Which is updated more often, DuoCal or Adele（アデル）?

DuoCal ships an update every 3 months, and Adele（アデル） every 23 months. Most recently, DuoCal was updated on October 2, 2026 and Adele（アデル） on October 3, 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.*