# Date Memos vs Qi Watermark

The clearest difference is price: Qi Watermark at Free against Date Memos's $0.99. Qi Watermark also leads on update cadence (every 3 days vs every 2 months) and iOS requirement (11.0 vs 27.0). Date Memos's advantage is in-app purchases (none vs 2) and device support (5 vs 2). On ads there is nothing between them.

Qi Watermark is free to download; Date Memos costs $0.99 up front. Qi Watermark sells 2 in-app purchases, starting at $2.99 per month. Date Memos asks for nothing beyond the download.

Date Memos ships an update every 2 months, Qi Watermark every 3 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Date Memos | Qi Watermark |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/date-memos/id1505321119/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Paid | — |
| Size | 10 MB | 21 MB |
| Requires iOS | 27.0 | **11.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch, Vision Pro** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [泽新 李](https://appshunter.io/developer/1502283048) | [奇奇 郭](https://appshunter.io/developer/1696538006) |

## What reviewers say

### Date Memos

[App page](https://appshunter.io/ios/app/date-memos/id1505321119)

Never forget important dates with this app. It supports both solar and lunar calendars, allows for custom reminders, and syncs across all your Apple devices. Pin key events to widgets for quick access.

**Highlights:** Solar and lunar calendar support, Customizable event reminders, Cross-device iCloud sync, Widget support with pinned events, Dark mode, iMessage app for sharing events

**Features:** Apple Watch app, iMessage stickers

**In-app purchases:** none


### Qi Watermark

[App page](https://appshunter.io/ios/app/qi-watermark/id6464681292)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly VIP | $2.99 | per month |
| Yearly VIP | $24.99 | per year |


## Frequently asked questions

### Is Date Memos free?

Date Memos costs $0.99, with no in-app purchases.

### Is Qi Watermark free?

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

### Do Date Memos or Qi Watermark have ads?

Neither Date Memos nor Qi Watermark shows ads.

### Which is updated more often, Date Memos or Qi Watermark?

Date Memos ships an update every 2 months, and Qi Watermark every 3 days. Most recently, Date Memos was updated on October 24, 2026 and Qi Watermark on October 25, 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.*