# Smartlock SK vs Universal Paystub Generator

The clearest difference is ads: Smartlock SK at none against Universal Paystub Generator's shown. Universal Paystub Generator's advantage is update cadence (every 2 weeks vs every 8 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Smartlock SK ships an update every 8 months, Universal Paystub Generator every 2 weeks. The most recent releases landed on October 9, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Smartlock SK | Universal Paystub Generator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/universal-paystub-generator/id6740191060/reviews)** |
| Number of ratings | — | **5** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 2 weeks** |
| Monetization | — | Ad-supported |
| Size | 11 MB | 54 MB |
| Requires iOS | **14.7** | 15 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Keystone](https://appshunter.io/developer/1296661263) | [Stub Creator](https://appshunter.io/developer/1564442853) |

## What reviewers say

### Smartlock SK

[App page](https://appshunter.io/ios/app/smartlock-sk/id1521412486)

**Features:** macOS Compatibility

**In-app purchases:** none


### Universal Paystub Generator

[App page](https://appshunter.io/ios/app/universal-paystub-generator/id6740191060)

Effortlessly create professional pay stubs with this user-friendly application. Ideal for freelancers, small business owners, and employees needing to generate payroll checks for various financial needs. Offers editable fields and accurate calculations for earnings, deductions, and taxes.

**Highlights:** Easy-to-use interface, 100% free to generate pay stubs, Editable income, deduction, and YTD sections, Fast and accurate calculations, Generate pay stubs for employees, freelancers, or personal records, Maintain structured financial records

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smartlock SK free?

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

### Is Universal Paystub Generator free?

Universal Paystub Generator is free to download, with no in-app purchases.

### Do Smartlock SK or Universal Paystub Generator have ads?

Universal Paystub Generator shows ads; Smartlock SK does not.

### Which is updated more often, Smartlock SK or Universal Paystub Generator?

Smartlock SK ships an update every 8 months, and Universal Paystub Generator every 2 weeks. Most recently, Smartlock SK was updated on October 9, 2026 and Universal Paystub Generator on October 2, 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.*