# CYP Control vs LineKeeper

The clearest difference is in-app purchases: CYP Control at none against LineKeeper's 1. CYP Control also leads on iOS requirement (12.0 vs 15.0). LineKeeper's advantage is update cadence (monthly vs every 23 months). On price, ads and device support there is nothing between them.

Both are free to download. LineKeeper sells 1 one-off in-app purchase. CYP Control asks for nothing beyond the download.

CYP Control ships an update every 23 months, LineKeeper monthly. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | CYP Control | LineKeeper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 23 months | **Monthly** |
| Size | 3 MB | 22 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cypress Technology Co., LTD.](https://appshunter.io/developer/926194141) | [Oleksandr Makarov](https://appshunter.io/developer/6791371576) |

## What reviewers say

### CYP Control

[App page](https://appshunter.io/ios/app/cyp-control/id1502061299)

**Features:** macOS Compatibility

**In-app purchases:** none


### LineKeeper

[App page](https://appshunter.io/ios/app/linekeeper/id6791371574)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Write Unlock | $59.99 | one-time |


## Frequently asked questions

### Is CYP Control free?

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

### Is LineKeeper free?

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

### Do CYP Control or LineKeeper have ads?

Neither CYP Control nor LineKeeper shows ads.

### Which is updated more often, CYP Control or LineKeeper?

CYP Control ships an update every 23 months, and LineKeeper monthly. Most recently, CYP Control was updated on November 7, 2026 and LineKeeper on November 5, 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.*