# Engaging Congress vs Investigation Declaration

The clearest difference is rating: Engaging Congress at 3.5 against Investigation Declaration's 3.0. Engaging Congress also leads on ratings volume (11 vs 2). Investigation Declaration's advantage is update cadence (every 3 months vs every 14 months). 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.

Engaging Congress holds the better App Store score, 3.5 against 3.0. That said, the two scores are not equally well evidenced: Engaging Congress has 11 ratings behind it against 2, so its average is the more settled of the two.

Engaging Congress ships an update every 14 months, Investigation Declaration every 3 months. The most recent releases landed on October 23, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Engaging Congress | Investigation Declaration |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (11 ratings)](https://appshunter.io/ios/app/engaging-congress/id1309161238/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/investigation-declaration/id6743125653/reviews) |
| Number of ratings | **11** | 2 |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 204 MB | 351 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Indiana University](https://appshunter.io/developer/383456988) | [iCivics, Inc.](https://appshunter.io/developer/915103251) |

## What reviewers say

### Engaging Congress

[App page](https://appshunter.io/ios/app/engaging-congress/id1309161238)

Explore the challenges of representative democracy through primary source documents, historical items, and interactive mini-games. This educational game delves into themes like influencing politics, separation of powers, and voting rights.

**Highlights:** Introductory Video, Theme-based Stories, Primary Source Gallery, Primary Source Analysis, Trivia Challenge, Assessment Tools, Mini-games

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

**In-app purchases:** none


### Investigation Declaration

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

Embark on a historical investigation to uncover how Enlightenment ideas influenced the Declaration of Independence. Travel across time and the Atlantic world, collecting evidence to restore corrupted files and understand the spread of concepts like natural rights and state sovereignty.

**Highlights:** Explore 10 Atlantic world locations, Track Natural Rights, State Sovereignty, or Social Contract, Mad-lib style evidence linking, Historical scenes with narrative, Spanish translation and English voiceover, Glossary and classroom resources

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Engaging Congress free?

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

### Is Investigation Declaration free?

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

### Which has better reviews, Engaging Congress or Investigation Declaration?

Engaging Congress is rated higher. Engaging Congress averages 3.5 out of 5 from 11 ratings, while Investigation Declaration averages 3.0 from 2 ratings.

### Do Engaging Congress or Investigation Declaration have ads?

Neither Engaging Congress nor Investigation Declaration shows ads.

### Which is updated more often, Engaging Congress or Investigation Declaration?

Engaging Congress ships an update every 14 months, and Investigation Declaration every 3 months. Most recently, Engaging Congress was updated on October 23, 2026 and Investigation Declaration on October 28, 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.*