# CF vs Polarity pulses

The clearest difference is in-app purchases: CF at none against Polarity pulses's 1. CF also leads on iOS requirement (8.0 vs 12). Polarity pulses's advantage is update cadence (every 2 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Polarity pulses sells 1 one-off in-app purchase. CF asks for nothing beyond the download.

CF ships an update every 2 months, Polarity pulses every 2 days. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | CF | Polarity pulses |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/polarity-pulses/id6770177079/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Size | 11 MB | 18 MB |
| Requires iOS | **8.0** | 12 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Coolpower Technology Co., Ltd.](https://appshunter.io/developer/1152993269) | [小慧 罗](https://appshunter.io/developer/1806960019) |

## What reviewers say

### CF

[App page](https://appshunter.io/ios/app/cf-a6a8/id1237273475)

**Features:** macOS Compatibility

**In-app purchases:** none


### Polarity pulses

[App page](https://appshunter.io/ios/app/polarity-pulses/id6770177079)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Access | $1.99 | one-time |


## Frequently asked questions

### Is CF free?

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

### Is Polarity pulses free?

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

### Do CF or Polarity pulses have ads?

Neither CF nor Polarity pulses shows ads.

### Which is updated more often, CF or Polarity pulses?

CF ships an update every 2 months, and Polarity pulses every 2 days. Most recently, CF was updated on October 12, 2026 and Polarity pulses on October 24, 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.*