Comparison

Build Own Dictionary vs Keep'Em

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Build Own Dictionary

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
Read full description

Using this app you can create your own dictionaries during learning a foreign language. The key features are: - Create a dictionary or import it from your device into the app. - Delete or rename the dictionary. - Export the dictionary from the app to your device. - Add quickly a word with its translation and optionally its description to the dictionary. - Delete or edit words in the dictionary. - Assign a category name to the words. - Sort the words alphabetically, by time added, or by category. - Search a word, translation, or description in the dictionary. - Translate a sentence, word by word, using your created dictionaries. - Customize the colors and the font sizes of the dictionary. - Save all of your created dictionaries as an SQLite database in a DB file. The premium version enables the export/import feature, adding description, assigning category, customizing colors and font sizes, and sentence translator. It also removes all ads from the app.

About

Keep'Em

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
Read full description

In the world of language learning, vocabulary is the cornerstone. Yet building it can be quite a challenging process, right? That's where our app comes in. Here's what you can do: ◆ COLLECT words and phrases from any language in one place. ◆ REVIEW them regularly to reinforce your memory. ◆ MEMORISE effectively with fun flashcard games. But how does this boost your language skills? ▶ Efficient learning Imagine having all your new words, phrases, idioms, and collocations from various sources neatly organised in your personal database. You can access it anytime, making your language learning journey more effective. ▶ Your Notes, Your Way Customisation is your superpower. Add translations, explanations, and examples to each entry. Your vocabulary is as unique as you are, and our app empowers you to shape it exactly how you want, creating a versatile vocabulary tailored to your needs. ▶ Your Multilingual Playground Language knows no bounds, and neither do we! With support for an array of languages, you're not limited to a single linguistic adventure. Immerse yourself in multiple languages, seamlessly transitioning between them as you construct a vocabulary tailored to your unique journey. How to use the app? • Choose the language(s) you learn and your mother tongue. • Add any word or phrase you come across - from articles, books, podcasts, TV or your speaking class. • Include translations, explanations, and examples. • Use tags to keep your vocabulary organised. • Review regularly using tags or the search function. • Memorise effortlessly with the new Flashcards game. This app is a game-changer for those who: • Seek a centralised solution for vocabulary growth • Are tired of the chaos of scattered notes and documents • Are polyglots looking to manage multiple languages • Are independent learners ready to build new vocabulary on their own terms Ready to take the leap? Let's embark on this exciting adventure together! For support, feedback, or just to say hello, connect with us at our discord: https://discord.gg/tHPYyTBqK6.

Screenshots

Build Own Dictionary4 screens
Keep'Em4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard6 real differences · 4 level
Build Own Dictionary versus Keep'Em: the parameters behind the verdict, then further details
ParameterBuild Own DictionaryKeep'Em
PriceFreeFree
Rating4.2 (72 ratings) — better—
Positive reviews70.4% of reviews100.0% of reviews — better
Number of ratings72 — better—
Update frequencyEvery 6 months — betterEvery 14 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.613.0 — better
Further details — not scored
Size3 MB36 MB
Age rating4+4+
DeveloperBita SobhaniNatalia Khrenova

Customer experience

Build Own Dictionary

All ratings72 ratings
Positive76.4%
Neutral11.1%
Negative12.5%
Written reviews27 reviews
Positive70.4%
Neutral22.2%
Negative7.4%

Keep'Em

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Build Own Dictionary

One-time1
  • Premium$3.99
None

Keep'Em

No in-app purchases

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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