# Optim System app vs Payswix

The clearest difference is update cadence: Optim System app at every 10 days against Payswix's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

Optim System app ships an update every 10 days, Payswix every 3 weeks. The most recent releases landed on September 17, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Optim System app | Payswix |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Size | 44 MB | 43 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Optim Systems, Ltd.](https://appshunter.io/developer/1713704866) | [Payswix](https://appshunter.io/developer/1746465036) |

## What reviewers say

### Optim System app

[App page](https://appshunter.io/ios/app/optim-system-app-weopsy/id6470450913)

**Features:** macOS Compatibility

**In-app purchases:** none


### Payswix

[App page](https://appshunter.io/ios/app/payswix/id6502690653)

**In-app purchases:** none


## Frequently asked questions

### Is Optim System app free?

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

### Is Payswix free?

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

### Do Optim System app or Payswix have ads?

Neither Optim System app nor Payswix shows ads.

### Which is updated more often, Optim System app or Payswix?

Optim System app ships an update every 10 days, and Payswix every 3 weeks. Most recently, Optim System app was updated on September 17, 2026 and Payswix on September 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*