# QUANT Payment vs iSolidus AIF

The clearest difference is ads: iSolidus AIF at none against QUANT Payment's shown. iSolidus AIF also leads on update cadence (every 3 weeks vs every 2 months). QUANT Payment's advantage is iOS requirement (11.0 vs 18). On price, 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.

QUANT Payment ships an update every 2 months, iSolidus AIF every 3 weeks. The most recent releases landed on October 16, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | QUANT Payment | iSolidus AIF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 58 MB | 27 MB |
| Requires iOS | **11.0** | 18 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Quant Financial Limited](https://appshunter.io/developer/1592698638) | [Validus FinTech Services Private Limited](https://appshunter.io/developer/1680855030) |

## What reviewers say

### QUANT Payment

[App page](https://appshunter.io/ios/app/quant-payment/id1592698636)

**Features:** macOS Compatibility

**In-app purchases:** none


### iSolidus AIF

[App page](https://appshunter.io/ios/app/isolidus-aif/id6450657971)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is QUANT Payment free?

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

### Is iSolidus AIF free?

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

### Do QUANT Payment or iSolidus AIF have ads?

QUANT Payment shows ads; iSolidus AIF does not.

### Which is updated more often, QUANT Payment or iSolidus AIF?

QUANT Payment ships an update every 2 months, and iSolidus AIF every 3 weeks. Most recently, QUANT Payment was updated on October 16, 2026 and iSolidus AIF on October 8, 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.*