# Knacky vs PureFrequency

The clearest difference is in-app purchases: PureFrequency at none against Knacky's 5. PureFrequency also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.6). Knacky's advantage is ads (none vs shown). On price there is nothing between them.

Both are free to download. Knacky sells 5 one-off in-app purchases. PureFrequency asks for nothing beyond the download.

## The numbers

| Metric | Knacky | PureFrequency |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 4 weeks | — |
| Size | 73 MB | 6 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sadullah Turgut](https://appshunter.io/developer/1702344793) | [AN RU YANG](https://appshunter.io/developer/1819486438) |

## What reviewers say

### Knacky

[App page](https://appshunter.io/ios/app/knacky/id6461162181)

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Knacky Coin | $1.99 | one-time |
| 3 Knacky Coins | $3.99 | one-time |
| 5 Knacky Coins | $6.99 | one-time |
| 10 Knacky Coins | $12.99 | one-time |
| 20 Knacky Coins | $22.99 | one-time |


### PureFrequency

[App page](https://appshunter.io/ios/app/purefrequency/id6753100897)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Knacky free?

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

### Is PureFrequency free?

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

### Do Knacky or PureFrequency have ads?

PureFrequency shows ads; Knacky does not.

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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.*