# DayRipple vs DueMark

The clearest difference is ads: DueMark at none against DayRipple's shown. DayRipple's advantage is device support (3 vs 1). On price, update cadence, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. DayRipple sells 6 one-off in-app purchases and DueMark sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

DayRipple ships an update every 4 days, DueMark weekly. Both last shipped on October 31, 2026.

## The numbers

| Metric | DayRipple | DueMark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/dayripple-shared-calendar/id6785336978/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 109 MB | 39 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [BYUNGJUNE pakr](https://appshunter.io/developer/6785336980) | [兵 周](https://appshunter.io/developer/1879875918) |

## What reviewers say

### DayRipple

[App page](https://appshunter.io/ios/app/dayripple-shared-calendar/id6785336978)

This app simplifies shared planning and task management for couples, families, and roommates. It focuses on essential calendar events, to-dos, and anniversaries without unnecessary features. Enjoy instant updates, home screen widgets, and automatic anniversary counting.

**Highlights:** Shared calendar updates, To-do list assignment, Automatic anniversary counting, Home screen widgets, Separate spaces for relationships, Invite-based sharing

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7-day trial | Free | one-time |
| Save to both upgrade | $2.99 | one-time |
| Extra Member Pass | $4.99 | one-time |
| Planner lifetime access | $9.99 | one-time |
| Lifetime Pass for Our Space | $12.99 | one-time |
| Desktop Lifetime | $24.99 | one-time |


### DueMark

[App page](https://appshunter.io/ios/app/duemark-countdown-and-days/id6808949397)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $1.99 | per 7 days |
| Yearly Pro | $15.99 | per year |
| Forever Pro | $24.99 | one-time |


## Frequently asked questions

### Is DayRipple free?

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

### Is DueMark free?

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

### Do DayRipple or DueMark have ads?

DayRipple shows ads; DueMark does not.

### Which is updated more often, DayRipple or DueMark?

DayRipple ships an update every 4 days, and DueMark weekly. Most recently, DayRipple was updated on October 31, 2026 and DueMark on October 31, 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.*