# Executive Functions vs MetaBooks

The clearest difference is price: MetaBooks at Free against Executive Functions's $1.99. MetaBooks also leads on rating (5.0 vs 4.0) and update cadence (every 2 weeks vs every 13 months). Executive Functions's advantage is in-app purchases (none vs 2) and iOS requirement (12.1 vs 15.6). On ratings volume, ads and device support there is nothing between them.

MetaBooks is free to download; Executive Functions costs $1.99 up front. MetaBooks sells 2 one-off in-app purchases. Executive Functions asks for nothing beyond the download.

MetaBooks holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Executive Functions ships an update every 13 months, MetaBooks every 2 weeks. The most recent releases landed on September 12, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Executive Functions | MetaBooks |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/executive-functions/id1454539412/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/metabooks/id6742443022/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 113 MB | 329 MB |
| Requires iOS | **12.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Roberto De Lorenzo](https://appshunter.io/developer/692760870) | [涛 刘](https://appshunter.io/developer/1798350441) |

## What reviewers say

### Executive Functions

[App page](https://appshunter.io/ios/app/executive-functions/id1454539412)

This app offers a series of exercises designed to train and improve working memory, a key cognitive skill. It presents stimuli to memorize and then requires users to recall or discriminate between them, providing scores and evaluations based on performance.

**Highlights:** Working memory exercises, Stimuli memorization, Recall and discrimination tasks, Scoring and evaluation system, Over 200 unique cards, 349 automatically generated exercises

**Features:** macOS Compatibility

**In-app purchases:** none


### MetaBooks

[App page](https://appshunter.io/ios/app/metabooks/id6742443022)

This AI-powered bilingual storybook app helps children learn English and Chinese through interactive reading and voice chat. A friendly AI tutor assists with pronunciation and speaking practice, making language acquisition fun and effective for young learners.

**Highlights:** AI-powered bilingual storybooks, Interactive reading experience, Real-time voice chat for practice, AI tutor for pronunciation, Stories for different age groups, Conversation practice

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 60-Minutes Live Chat | $0.99 | one-time |
| 300-Minutes Live Chat | $1.99 | one-time |


## Frequently asked questions

### Is Executive Functions free?

Executive Functions costs $1.99, with no in-app purchases.

### Is MetaBooks free?

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

### Which has better reviews, Executive Functions or MetaBooks?

MetaBooks is rated higher. Executive Functions averages 4.0 out of 5 from 1 ratings, while MetaBooks averages 5.0 from 1 ratings.

### Do Executive Functions or MetaBooks have ads?

Neither Executive Functions nor MetaBooks shows ads.

### Which is updated more often, Executive Functions or MetaBooks?

Executive Functions ships an update every 13 months, and MetaBooks every 2 weeks. Most recently, Executive Functions was updated on September 12, 2026 and MetaBooks on June 1, 2026.

---

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