# MarkMe vs Knock Reminder

The clearest difference is update cadence: MarkMe at every 3 weeks against Knock Reminder's every 2 months. MarkMe also leads on device support (3 vs 1) and iOS requirement (14.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. MarkMe sells 2 in-app purchases, starting at $1.99 per month and Knock Reminder sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

MarkMe ships an update every 3 weeks, Knock Reminder every 2 months. The most recent releases landed on October 25, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | MarkMe | Knock Reminder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 62 MB | 34 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Carmine Volpe](https://appshunter.io/developer/983965740) | [Seki Hiroyasu](https://appshunter.io/developer/6792599749) |

## What reviewers say

### MarkMe

[App page](https://appshunter.io/ios/app/markme-bookmark-manager/id6453478035)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Mese (mensile) | $1.99 | per month |
| 1 Anno (annuale) | $17.99 | per year |


### Knock Reminder

[App page](https://appshunter.io/ios/app/knock-reminder/id6794741120)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Knock Reminder Pro | $2.99 | one-time |


## Frequently asked questions

### Is MarkMe free?

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

### Is Knock Reminder free?

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

### Do MarkMe or Knock Reminder have ads?

Neither MarkMe nor Knock Reminder shows ads.

### Which is updated more often, MarkMe or Knock Reminder?

MarkMe ships an update every 3 weeks, and Knock Reminder every 2 months. Most recently, MarkMe was updated on October 25, 2026 and Knock Reminder on October 20, 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.*