# SiyouPay vs Derps

The clearest difference is iOS requirement: Derps at 15.1 against SiyouPay's 18.4. On price, update cadence, ads and in-app purchases there is nothing between them.

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

SiyouPay ships an update every 2 weeks, Derps fortnightly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SiyouPay | Derps |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/siyoupay/id6753078422/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | Free | — |
| Size | 131 MB | 43 MB |
| Requires iOS | 18.4 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SIYOU TECHNOLOGY S.R.L](https://appshunter.io/developer/1466639725) | [DOLPHINPOS,LLC](https://appshunter.io/developer/1458756229) |

## What reviewers say

### SiyouPay

[App page](https://appshunter.io/ios/app/siyoupay/id6753078422)

A professional payment management app for merchants, offering tools for payment collection, expense tracking, sales analytics, and POS management. It provides multi-entity and store management with robust security features and multi-language support.

**Highlights:** Payment collection with multiple methods, Expense tracking for financial management, Real-time sales analytics and insights, Centralized POS device management, Multi-entity and store management, Bank-level security encryption

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

**In-app purchases:** none


### Derps

[App page](https://appshunter.io/ios/app/derps-mobile-app/id6805008135)

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

**In-app purchases:** none


## Frequently asked questions

### Is SiyouPay free?

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

### Is Derps free?

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

### Do SiyouPay or Derps have ads?

Neither SiyouPay nor Derps shows ads.

### Which is updated more often, SiyouPay or Derps?

SiyouPay ships an update every 2 weeks, and Derps fortnightly. Most recently, SiyouPay was updated on October 25, 2026 and Derps 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.*