# 打卡7 vs Whale Mark

The clearest difference is price: Whale Mark at Free against 打卡7's $0.29. 打卡7's advantage is in-app purchases (none vs 4). On review sentiment, update cadence, ads and device support there is nothing between them.

Whale Mark is free to download; 打卡7 costs $0.29 up front. Whale Mark sells 3 in-app purchases, starting at $0.99 per month. 打卡7 asks for nothing beyond the download.

打卡7 ships an update every 7 months, Whale Mark every 4 months. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 打卡7 | Whale Mark |
| --- | --- | --- |
| Price | $0.29 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/7/id1589419563/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 months** |
| Monetization | Paid | **Freemium** |
| Size | 2 MB | 2 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [野 匡](https://appshunter.io/developer/819954894) | [柱 杨](https://appshunter.io/developer/1680327782) |

## What reviewers say

### 打卡7

[App page](https://appshunter.io/ios/app/7/id1589419563)

This app helps users build positive habits with a minimalist design and simple operations. It allows for personalized task creation, daily check-ins with notes and images, and visual progress tracking.

**Highlights:** Personalized habit creation, Daily check-ins with notes and images, Visual progress tracking (image wall), Weekly progress overview, Time-ordered task list

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

**In-app purchases:** none


### Whale Mark

[App page](https://appshunter.io/ios/app/whale-mark/id6593689945)

Track your reading progress for physical books with this e-bookmark application. Log your current page, add notes, and manage your library of paperbacks. Stay organized and never lose your place again.

**Highlights:** Track reading progress for paper books, Log current page, Add notes to books, Manage book library, E-bookmark functionality

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $0.99 | per month |
| Annual Membership | $2.99 | per year |
| Lifetime Membership | $3.99 | one-time |


## Frequently asked questions

### Is 打卡7 free?

打卡7 costs $0.29, with no in-app purchases.

### Is Whale Mark free?

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

### Do 打卡7 or Whale Mark have ads?

Neither 打卡7 nor Whale Mark shows ads.

### Which is updated more often, 打卡7 or Whale Mark?

打卡7 ships an update every 7 months, and Whale Mark every 4 months. Most recently, 打卡7 was updated on November 1, 2026 and Whale Mark 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.*