# Build Own Dictionary vs AtoZ Dictionary

The clearest difference is in-app purchases: AtoZ Dictionary at none against Build Own Dictionary's 1. AtoZ Dictionary also leads on update cadence (every 2 weeks vs every 6 months) and rating (4.6 vs 4.2). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Build Own Dictionary sells 1 one-off in-app purchase. AtoZ Dictionary asks for nothing beyond the download.

AtoZ Dictionary holds the better App Store score, 4.6 against 4.2. Both are backed by a comparable volume of ratings — 72 and 39 respectively. Written reviews point the same way: 70% of Build Own Dictionary's written reviews are positive against 73% of AtoZ Dictionary's.

Build Own Dictionary ships an update every 6 months, AtoZ Dictionary every 2 weeks. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Build Own Dictionary | AtoZ Dictionary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (72 ratings)](https://appshunter.io/ios/app/build-own-dictionary/id1429484008/reviews) | **[4.6 (39 ratings)](https://appshunter.io/ios/app/atoz-dictionary/id6474067784/reviews)** |
| Number of ratings | **72** | 39 |
| Positive reviews | 70.4% of reviews | **73.3% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 3 MB | 41 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bita Sobhani](https://appshunter.io/developer/1372721132) | [Erika Fujita](https://appshunter.io/developer/1554660176) |

## What reviewers say

### Build Own Dictionary

[App page](https://appshunter.io/ios/app/build-own-dictionary/id1429484008)

Create and manage personalized dictionaries for language learning. Add words with translations and descriptions, organize them by category, and search your entries. Translate sentences word-by-word using your custom dictionaries.

**Highlights:** Create and import dictionaries, Add, edit, and delete words, Categorize words, Sort words alphabetically or by time, Search dictionary entries, Translate sentences word-by-word, Customize appearance

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $3.99 | one-time |


### 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


## Frequently asked questions

### Is Build Own Dictionary free?

Build Own Dictionary is free to download, with in-app purchases available.

### Is AtoZ Dictionary free?

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

### Which has better reviews, Build Own Dictionary or AtoZ Dictionary?

AtoZ Dictionary is rated higher. Build Own Dictionary averages 4.2 out of 5 from 72 ratings, while AtoZ Dictionary averages 4.6 from 39 ratings.

### Do Build Own Dictionary or AtoZ Dictionary have ads?

Both Build Own Dictionary and AtoZ Dictionary show ads.

### Which is updated more often, Build Own Dictionary or AtoZ Dictionary?

Build Own Dictionary ships an update every 6 months, and AtoZ Dictionary every 2 weeks. Most recently, Build Own Dictionary was updated on November 6, 2026 and AtoZ Dictionary on November 4, 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.*