# IRAS basic² vs CERTAS multicall

IRAS basic² and CERTAS multicall are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 6 months. The most recent releases landed on September 16, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | IRAS basic² | CERTAS multicall |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | Every 6 months |
| Size | 171 MB | 81 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IFAM GmbH Erfurt - Ingenieurbuero fuer die Anwendung der Mikroelektronik in der Sicherheitstechnik](https://appshunter.io/developer/879081387) | [Certas AG](https://appshunter.io/developer/1488740270) |

## What reviewers say

### IRAS basic²

[App page](https://appshunter.io/ios/app/iras-basic/id1401190310)

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

**In-app purchases:** none


### CERTAS multicall

[App page](https://appshunter.io/ios/app/certas-multicall/id6446119719)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IRAS basic² free?

IRAS basic² is free to download, with no in-app purchases.

### Is CERTAS multicall free?

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

### Do IRAS basic² or CERTAS multicall have ads?

Neither IRAS basic² nor CERTAS multicall shows ads.

### Which is updated more often, IRAS basic² or CERTAS multicall?

IRAS basic² ships an update every 6 months, and CERTAS multicall every 6 months. Most recently, IRAS basic² was updated on September 16, 2026 and CERTAS multicall on September 20, 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.*