# CK vs Paxton Solo

The clearest difference is in-app purchases: CK at none against Paxton Solo's 14. CK also leads on device support (3 vs 1) and iOS requirement (9.0 vs 17.6). Paxton Solo's advantage is update cadence (every 2 weeks vs every 16 months). On price and ads there is nothing between them.

Both are free to download. Paxton Solo sells 14 one-off in-app purchases. CK asks for nothing beyond the download.

CK ships an update every 16 months, Paxton Solo every 2 weeks. The most recent releases landed on September 8, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | CK | Paxton Solo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 25 MB | 97 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CARL KAMMERLING INTERNATIONAL LIMITED](https://appshunter.io/developer/1669128786) | [Paxton Access Ltd](https://appshunter.io/developer/363711041) |

## What reviewers say

### CK

[App page](https://appshunter.io/ios/app/ck-tools/id1669128784)

**In-app purchases:** none


### Paxton Solo

[App page](https://appshunter.io/ios/app/paxton-solo/id6642699074)

Manage access control for your properties remotely. Grant or deny entry, view event logs, and control doors and gates directly from your smartphone. Ensure security and convenience with this intuitive system.

**Highlights:** Remote access control, Grant/deny entry, View event logs, Control doors and gates, Smartphone management

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Solo Credit | $1.00 | one-time |
| 10 Credits | $10.00 | one-time |
| 20 Solo Credits | $20.00 | one-time |
| 50 Solo Credits | $50.00 | one-time |
| 100 Credits | $100.00 | one-time |
| 450 Solo Credits | $450.00 | one-time |
| 500 Solo Credits | $500.00 | one-time |
| 550 Solo Credits | $549.99 | one-time |
| 600 Solo Credits | $600.00 | one-time |
| 650 Solo Credits | $649.99 | one-time |
| 700 Solo Credits | $700.00 | one-time |
| 750 Solo Credits | $749.99 | one-time |
| 800 Solo Credits | $800.00 | one-time |
| 850 Solo Credits | $849.99 | one-time |


## Frequently asked questions

### Is CK free?

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

### Is Paxton Solo free?

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

### Do CK or Paxton Solo have ads?

Neither CK nor Paxton Solo shows ads.

### Which is updated more often, CK or Paxton Solo?

CK ships an update every 16 months, and Paxton Solo every 2 weeks. Most recently, CK was updated on September 8, 2026 and Paxton Solo on September 17, 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.*