# Herbart vs Thea

The clearest difference is in-app purchases: Herbart at none against Thea's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Thea sells 2 in-app purchases, starting at $12.00 per month. Herbart asks for nothing beyond the download.

Herbart ships an update every 5 weeks, Thea monthly. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Herbart | Thea |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (2.4K ratings)](https://appshunter.io/ios/app/thea-study-smart/id6742800289/reviews)** |
| Number of ratings | — | **2.4K** |
| Positive reviews | — | 94.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 4 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 12+ |
| Developer | [ARMANDO Perez Corona](https://appshunter.io/developer/1392827893) | [Thea Study](https://appshunter.io/developer/1800055800) |

## What reviewers say

### Herbart

[App page](https://appshunter.io/ios/app/herbart/id1466894356)

**Features:** macOS Compatibility

**In-app purchases:** none


### Thea

[App page](https://appshunter.io/ios/app/thea-study-smart/id6742800289)

Transform your course materials into interactive study tools with an AI-powered platform. Upload notes, PDFs, or videos to generate flashcards, practice tests, and summaries. Learn efficiently and master your subjects with personalized study plans.

**Highlights:** AI-powered study material transformation, Interactive flashcards and game modes, Adaptive learning question generation, Practice test simulation, Automatic summarization and guide creation, Multi-language support

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $12.00 | per month |
| Yearly | $48.00 | per year |

**What reviewers like**

- 👍 Easy to use
- 🚀 Helpful AI features
- 💰 Free version available
- 📚 Effective for studying and learning
- 🎓 Useful for AP and nursing exams

**What reviewers complain about**

- 🔍 Lack of spaced repetition setting
- 🔒 Potential for paywalls in the future

**Reported bugs**

- Answers not mixed up in matching game

**Requested features**

- Spaced repetition setting
- More customization options


## Frequently asked questions

### Is Herbart free?

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

### Is Thea free?

Thea is free to download, with in-app purchases available.

### Do Herbart or Thea have ads?

Neither Herbart nor Thea shows ads.

### Which is updated more often, Herbart or Thea?

Herbart ships an update every 5 weeks, and Thea monthly. Most recently, Herbart was updated on October 8, 2026 and Thea on October 12, 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.*