# PlainPay vs ISI

The clearest difference is update cadence: PlainPay at every 2 months against ISI's every 33 months. ISI's advantage is iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

PlainPay ships an update every 2 months, ISI every 33 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | PlainPay | ISI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (79 ratings)](https://appshunter.io/ios/app/plainpay/id437482265/reviews)** | — |
| Number of ratings | **79** | — |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 33 months |
| Monetization | Free | Free |
| Size | 38 MB | 37 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Auriga Spa](https://appshunter.io/developer/409321380) | [Cassa di Risparmio di Bolzano SpA](https://appshunter.io/developer/1328413494) |

## What reviewers say

### PlainPay

[App page](https://appshunter.io/ios/app/plainpay/id437482265)

This app simplifies payments and money transfers via QR code scanning. It also functions as a utility scanner for various codes and offers features like cardless ATM withdrawals and secure internet banking access.

**Highlights:** QR code payments and transfers, Cardless ATM withdrawals, Secure internet banking access, Utility scanner for QR/Bar codes, Digitally sign electronic documents, OTP functionality

**Features:** Vision Pro support

**In-app purchases:** none


### ISI

[App page](https://appshunter.io/ios/app/isi-business-sparkasse/id1250922152)

This mobile banking app allows businesses to manage their finances on the go. It provides access to online banking features, enabling users to view account balances, transaction history, and send payments. Users can also manage contacts and receive messages from their bank.

**Highlights:** Account balance overview, Transaction history, SEPA credit transfer, Mass payment submission, Contact management, Bank message consultation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PlainPay free?

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

### Is ISI free?

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

### Do PlainPay or ISI have ads?

Neither PlainPay nor ISI shows ads.

### Which is updated more often, PlainPay or ISI?

PlainPay ships an update every 2 months, and ISI every 33 months. Most recently, PlainPay was updated on November 1, 2026 and ISI on November 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.*