# Build Own Dictionary vs Keep'Em

The clearest difference is in-app purchases: Keep'Em at none against Build Own Dictionary's 1. Keep'Em also leads on ads (none vs shown) and review sentiment (100% vs 70%). Build Own Dictionary's advantage is update cadence (every 6 months vs every 14 months). On price and device support there is nothing between them.

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

Build Own Dictionary ships an update every 6 months, Keep'Em every 14 months. The most recent releases landed on October 29, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Build Own Dictionary | Keep'Em |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (72 ratings)](https://appshunter.io/ios/app/build-own-dictionary/id1429484008/reviews)** | — |
| Number of ratings | **72** | — |
| Positive reviews | 70.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 6 months** | Every 14 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 3 MB | 36 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bita Sobhani](https://appshunter.io/developer/1372721132) | [Natalia Khrenova](https://appshunter.io/developer/1564676422) |

## 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 |


### Keep'Em

[App page](https://appshunter.io/ios/app/keepem/id1564676420)

Build and organize your vocabulary across multiple languages with custom flashcards and games. Collect words and phrases from any source, add personal notes, and review them regularly for effective memorization. Tailor your learning experience to your unique needs and explore a multilingual playground.

**Highlights:** Collect words and phrases from any language, Customizable entries with translations and examples, Regular review and reinforcement, Flashcard games for memorization, Support for multiple languages, Organize vocabulary with tags

**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 Keep'Em free?

Keep'Em is free to download, with no in-app purchases.

### Do Build Own Dictionary or Keep'Em have ads?

Build Own Dictionary shows ads; Keep'Em does not.

### Which is updated more often, Build Own Dictionary or Keep'Em?

Build Own Dictionary ships an update every 6 months, and Keep'Em every 14 months. Most recently, Build Own Dictionary was updated on October 29, 2026 and Keep'Em on October 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.*