# AtoZ Dictionary vs Core9 Enneagram

The clearest difference is in-app purchases: AtoZ Dictionary at none against Core9 Enneagram's 2. Core9 Enneagram's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Core9 Enneagram sells 2 in-app purchases, starting at $9.99 per month. AtoZ Dictionary asks for nothing beyond the download.

AtoZ Dictionary ships an update every 2 weeks, Core9 Enneagram every 9 days. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | AtoZ Dictionary | Core9 Enneagram |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (39 ratings)](https://appshunter.io/ios/app/atoz-dictionary/id6474067784/reviews)** | — |
| Number of ratings | **39** | — |
| Positive reviews | 73.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 41 MB | 35 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Erika Fujita](https://appshunter.io/developer/1554660176) | [Ulrike Monnerie](https://appshunter.io/developer/1891458984) |

## What reviewers say

### AtoZ Dictionary

[App page](https://appshunter.io/ios/app/atoz-dictionary/id6474067784)

Create your own personalized dictionary to manage and memorize words alphabetically. Easily search, star important terms, and even add images for visual learning. Sign-up is optional, but allows for multi-device synchronization.

**Highlights:** Alphabetical word management, Search functionality, Star important words, Create custom dictionaries, Add images for visual memory, Multi-device synchronization (with sign-up)

**Features:** macOS Compatibility

**In-app purchases:** none


### Core9 Enneagram

[App page](https://appshunter.io/ios/app/core9-enneagram/id6761784696)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Core9 Premium | $9.99 | per month |
| Pair Matching | $2.99 | one-time |


## Frequently asked questions

### Is AtoZ Dictionary free?

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

### Is Core9 Enneagram free?

Core9 Enneagram is free to download, with in-app purchases available.

### Do AtoZ Dictionary or Core9 Enneagram have ads?

AtoZ Dictionary shows ads; Core9 Enneagram does not.

### Which is updated more often, AtoZ Dictionary or Core9 Enneagram?

AtoZ Dictionary ships an update every 2 weeks, and Core9 Enneagram every 9 days. Most recently, AtoZ Dictionary was updated on November 4, 2026 and Core9 Enneagram on November 5, 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.*