# FastShared vs Knock Reminder

The clearest difference is device support: FastShared at 3 against Knock Reminder's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. FastShared sells 3 in-app purchases, starting at $2.99 per month and Knock Reminder sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

FastShared ships an update every 3 months, Knock Reminder every 2 months. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | FastShared | Knock Reminder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 9 MB | 34 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MATHEUS SALDANHA](https://appshunter.io/developer/1891149249) | [Seki Hiroyasu](https://appshunter.io/developer/6792599749) |

## What reviewers say

### FastShared

[App page](https://appshunter.io/ios/app/fastshared/id6762569167)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FastShared Pro — Monthly | $2.99 | per month |
| FastShared Pro — Annual | $19.99 | per year |
| FastShared Pro — Lifetime | $49.99 | one-time |


### 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 FastShared free?

FastShared 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 FastShared or Knock Reminder have ads?

Neither FastShared nor Knock Reminder shows ads.

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

FastShared ships an update every 3 months, and Knock Reminder every 2 months. Most recently, FastShared was updated on October 8, 2026 and Knock Reminder on October 3, 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.*