# Quadrangular Hall vs Primeira IEC JP

The clearest difference is update cadence: Primeira IEC JP at fortnightly against Quadrangular Hall's every 10 months. Quadrangular Hall's advantage is iOS requirement (12.0 vs 15.0). 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.

Quadrangular Hall ships an update every 10 months, Primeira IEC JP fortnightly. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Quadrangular Hall | Primeira IEC JP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Fortnightly** |
| Size | 153 MB | 36 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Lucas Leite](https://appshunter.io/developer/1757543901) | [1ª IGREJA EVANG CONGREGACIONAL DE JOÃO PESSOA](https://appshunter.io/developer/6808310301) |

## What reviewers say

### Quadrangular Hall

[App page](https://appshunter.io/ios/app/quadrangular-hall/id6547838082)

**Features:** macOS Compatibility

**In-app purchases:** none


### Primeira IEC JP

[App page](https://appshunter.io/ios/app/primeira-iec-jp/id6808310299)

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

**In-app purchases:** none


## Frequently asked questions

### Is Quadrangular Hall free?

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

### Is Primeira IEC JP free?

Primeira IEC JP is free to download, with no in-app purchases.

### Do Quadrangular Hall or Primeira IEC JP have ads?

Neither Quadrangular Hall nor Primeira IEC JP shows ads.

### Which is updated more often, Quadrangular Hall or Primeira IEC JP?

Quadrangular Hall ships an update every 10 months, and Primeira IEC JP fortnightly. Most recently, Quadrangular Hall was updated on October 27, 2026 and Primeira IEC JP on October 31, 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.*