# DomainCERTin vs PS Customer

The clearest difference is in-app purchases: PS Customer at none against DomainCERTin's 10. PS Customer also leads on update cadence (every 2 weeks vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. DomainCERTin sells 10 one-off in-app purchases. PS Customer asks for nothing beyond the download.

DomainCERTin ships an update monthly, PS Customer every 2 weeks. The most recent releases landed on October 7, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | DomainCERTin | PS Customer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 177 MB | 72 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [BlockCerts](https://appshunter.io/developer/1478391176) | [Parts-Soft LTD.](https://appshunter.io/developer/1736121735) |

## What reviewers say

### DomainCERTin

[App page](https://appshunter.io/ios/app/domaincertin/id6445944364)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy 10 Black BCERTs Credits | $1.99 | one-time |
| Buy 20 Black BCERTs Credits | $3.79 | one-time |
| Buy 30 Black BCERTs Credits | $5.69 | one-time |
| Buy 50 Black BCERTs Credits | $9.49 | one-time |
| Buy 75 Black BCERTs Credits | $14.49 | one-time |
| Buy 100 Black BCERTs Credits | $19.00 | one-time |
| Buy 125 Black BCERTs Credits | $23.90 | one-time |
| Buy 150 Black BCERTs Credits | $28.49 | one-time |
| Buy 200 Black BCERTs Credits | $38.00 | one-time |
| Buy 5 BCERT Credits | $100.00 | one-time |


### PS Customer

[App page](https://appshunter.io/ios/app/ps-customer/id6479522343)

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

**In-app purchases:** none


## Frequently asked questions

### Is DomainCERTin free?

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

### Is PS Customer free?

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

### Do DomainCERTin or PS Customer have ads?

Neither DomainCERTin nor PS Customer shows ads.

### Which is updated more often, DomainCERTin or PS Customer?

DomainCERTin ships an update monthly, and PS Customer every 2 weeks. Most recently, DomainCERTin was updated on October 7, 2026 and PS Customer on October 19, 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.*