# JsPay vs SIAM

The clearest difference is iOS requirement: JsPay at 13.0 against SIAM's 15.6. 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.

JsPay ships an update every 7 months, SIAM every 6 months. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | JsPay | SIAM |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 10.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 months** |
| Monetization | Free | — |
| Size | 67 MB | 42 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Sistemi Vending Srl](https://appshunter.io/developer/1518267167) | [ASSO CRAL SOCIETA' COOPERATIVA](https://appshunter.io/developer/1359601785) |

## What reviewers say

### JsPay

[App page](https://appshunter.io/ios/app/jspay/id1518267168)

Easily and securely purchase from vending machines using your smartphone. Top up credit with cash or credit cards, and transfer funds to friends.

**Highlights:** Smartphone vending machine payments, Credit top-up with cash, Credit top-up with credit cards, Transfer credit to friends, Secure transactions

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### SIAM

[App page](https://appshunter.io/ios/app/siam/id6739567042)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JsPay free?

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

### Is SIAM free?

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

### Do JsPay or SIAM have ads?

Neither JsPay nor SIAM shows ads.

### Which is updated more often, JsPay or SIAM?

JsPay ships an update every 7 months, and SIAM every 6 months. Most recently, JsPay was updated on October 22, 2026 and SIAM on October 25, 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.*