# 考拉书记 vs Mark6 Reminder

The clearest difference is in-app purchases: Mark6 Reminder at none against 考拉书记's 11. 考拉书记's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 6 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 考拉书记 sells 11 one-off in-app purchases. Mark6 Reminder asks for nothing beyond the download.

考拉书记 ships an update every 2 weeks, Mark6 Reminder every 6 weeks. The most recent releases landed on October 11, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 考拉书记 | Mark6 Reminder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Size | 48 MB | 37 MB |
| Requires iOS | **14.4.1** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Arztone Grimcel](https://appshunter.io/developer/1876463411) | [Heung Kai Chan](https://appshunter.io/developer/1569414929) |

## What reviewers say

### 考拉书记

[App page](https://appshunter.io/ios/app/id6737509481)

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 服務儲值-極速版_1 | $0.99 | one-time |
| 服務儲值-極速版_11 | $11.00 | one-time |
| 服務儲值-極速版_13 | $13.95 | one-time |
| 服務儲值-極速版_3 | $19.99 | one-time |
| 服務儲值-極速版_4 | $29.99 | one-time |
| 服務儲值-極速版_7 | $34.99 | one-time |
| 服務儲值-極速版_5 | $59.99 | one-time |
| 服務儲值-極速版_8 | $64.99 | one-time |
| 服務儲值-極速版_6 | $99.99 | one-time |
| 服務儲值-極速版_9 | $149.99 | one-time |
| 服務儲值-極速版_10 | $364.99 | one-time |


### Mark6 Reminder

[App page](https://appshunter.io/ios/app/mark6-reminder/id6744552226)

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

**In-app purchases:** none


## Frequently asked questions

### Is 考拉书记 free?

考拉书记 is free to download, with in-app purchases available.

### Is Mark6 Reminder free?

Mark6 Reminder is free to download, with no in-app purchases.

### Do 考拉书记 or Mark6 Reminder have ads?

Mark6 Reminder shows ads; 考拉书记 does not.

### Which is updated more often, 考拉书记 or Mark6 Reminder?

考拉书记 ships an update every 2 weeks, and Mark6 Reminder every 6 weeks. Most recently, 考拉书记 was updated on October 11, 2026 and Mark6 Reminder on October 9, 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.*