# ace it vs ThetaWave

The clearest difference is update cadence: ThetaWave at fortnightly against ace it's every 148 months. ThetaWave also leads on device support and iOS requirement (15.1 vs 17.0). On price and in-app purchases there is nothing between them.

Both are free to download. ace it sells 2 one-off in-app purchases and ThetaWave sells 10 in-app purchases, starting at $19.90 per month. Whichever you choose, the download price is not the number that matters.

ace it ships an update every 148 months, ThetaWave fortnightly. The most recent releases landed on October 6, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | ace it | ThetaWave |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (51 ratings)](https://appshunter.io/ios/app/thetawave-ai-study-notes/id6744060956/reviews)** |
| Number of ratings | — | **51** |
| Positive reviews | — | 58.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | — | Yes |
| Update frequency | Every 148 months | **Fortnightly** |
| Monetization | — | Freemium |
| Size | 3 MB | 101 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ace-it applications GmbH](https://appshunter.io/developer/717625891) | [Thetawave](https://appshunter.io/developer/1805834893) |

## What reviewers say

### ace it

[App page](https://appshunter.io/ios/app/ace-it/id548907663)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Disable Ads | $7.99 | one-time |
| Remove Ads | $7.99 | one-time |


### ThetaWave

[App page](https://appshunter.io/ios/app/thetawave-ai-study-notes/id6744060956)

This AI-powered study assistant transforms various learning materials into structured notes, mind maps, flashcards, and quizzes. It helps users learn faster, understand deeper, and retain information longer through intelligent summarization and Q&A.

**Highlights:** Auto-structured AI notes from various content types, AI-generated flashcards and quizzes, Deep Q&A for concept clarification, Mind map creation, Progress tracking, Spaced repetition for retention

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus | $19.90 | per month |
| ThetaWave Pro Weekly | $19.99 | per 7 days |
| ThetaWave Pro Month | $21.99 | per month |
| Pro | $24.99 | per month |
| Plus | $38.90 | per 3 months |
| ThetaWave Pro Quarterly | $47.90 | per 3 months |
| Pro | $47.90 | per 3 months |
| Pro | $94.90 | per year |
| ThetaWave Pro Year | $118.99 | per year |
| Pro | $118.99 | per year |


## Frequently asked questions

### Is ace it free?

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

### Is ThetaWave free?

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

### Which is updated more often, ace it or ThetaWave?

ace it ships an update every 148 months, and ThetaWave fortnightly. Most recently, ace it was updated on October 6, 2026 and ThetaWave on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*