# OYEZ vs Investigation Declaration

The clearest difference is iOS requirement: Investigation Declaration at 12.0 against OYEZ'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.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | OYEZ | Investigation Declaration |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (166 ratings)](https://appshunter.io/ios/app/oyez/id346152567/reviews)** | — |
| Number of ratings | **166** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | — |
| Size | 13 MB | 351 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Justia Inc.](https://appshunter.io/developer/1292859806) | [iCivics, Inc.](https://appshunter.io/developer/915103251) |

## What reviewers say

### OYEZ

[App page](https://appshunter.io/ios/app/oyez/id346152567)

Access comprehensive legal information, including Supreme Court cases and a lawyer directory. Customize your view to focus on specific areas of law, and enjoy flexible audio playback options with synchronized transcripts. Stay updated with regular case additions.

**Highlights:** Supreme Court case information, Justia Lawyer Directory, Annotated US Constitution, Customizable case collections, Streaming and downloadable audio, Synchronized transcripts

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

**In-app purchases:** none


### Investigation Declaration

[App page](https://appshunter.io/ios/app/investigation-declaration/id6743125653)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OYEZ free?

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

### Is Investigation Declaration free?

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

### Do OYEZ or Investigation Declaration have ads?

Neither OYEZ nor Investigation Declaration shows ads.

### Which is updated more often, OYEZ or Investigation Declaration?

OYEZ ships an update every 3 months, and Investigation Declaration every 3 months. Most recently, OYEZ was updated on October 14, 2026 and Investigation Declaration on October 15, 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.*