# Investigation Declaration vs Flexi AI Tutor & Homework Help

The clearest difference is rating: Flexi AI Tutor & Homework Help at 4.3 against Investigation Declaration's 3.0. Flexi AI Tutor & Homework Help also leads on update cadence (monthly vs every 3 months) and ratings volume (14 vs 2). Investigation Declaration's advantage is iOS requirement (12.0 vs 15.1). 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.

Flexi AI Tutor & Homework Help holds the better App Store score, 4.3 against 3.0. That said, the two scores are not equally well evidenced: Flexi AI Tutor & Homework Help has 14 ratings behind it against 2, so its average is the more settled of the two.

Investigation Declaration ships an update every 3 months, Flexi AI Tutor & Homework Help monthly. Both last shipped on October 28, 2026.

## The numbers

| Metric | Investigation Declaration | Flexi AI Tutor & Homework Help |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/investigation-declaration/id6743125653/reviews) | **[4.3 (14 ratings)](https://appshunter.io/ios/app/flexi-ai-tutor-and-homework-help/id6745569160/reviews)** |
| Number of ratings | 2 | **14** |
| Positive reviews | — | 57.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | Free |
| Size | 351 MB | 19 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iCivics, Inc.](https://appshunter.io/developer/915103251) | [CK-12 Foundation](https://appshunter.io/developer/611509021) |

## What reviewers say

### 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


### Flexi AI Tutor & Homework Help

[App page](https://appshunter.io/ios/app/flexi-ai-tutor-and-homework-help/id6745569160)

Get instant, free AI-powered tutoring for math, science, and chemistry. Snap a picture of your homework problems for step-by-step solutions and expert guidance anytime, anywhere. Improve your grades and master difficult concepts with this pocket-sized teacher.

**Highlights:** AI-powered tutoring, Snap and solve math problems, Instant step-by-step solutions, Personalized expert guidance, Homework and test prep support, 24/7 availability

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

**In-app purchases:** none


## Frequently asked questions

### Is Investigation Declaration free?

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

### Is Flexi AI Tutor & Homework Help free?

Flexi AI Tutor & Homework Help is free to download, with no in-app purchases.

### Which has better reviews, Investigation Declaration or Flexi AI Tutor & Homework Help?

Flexi AI Tutor & Homework Help is rated higher. Investigation Declaration averages 3.0 out of 5 from 2 ratings, while Flexi AI Tutor & Homework Help averages 4.3 from 14 ratings.

### Do Investigation Declaration or Flexi AI Tutor & Homework Help have ads?

Neither Investigation Declaration nor Flexi AI Tutor & Homework Help shows ads.

### Which is updated more often, Investigation Declaration or Flexi AI Tutor & Homework Help?

Investigation Declaration ships an update every 3 months, and Flexi AI Tutor & Homework Help monthly. Most recently, Investigation Declaration was updated on October 28, 2026 and Flexi AI Tutor & Homework Help 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.*