Lexicon Delta vs Brain Challenge
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Lexicon Delta
Test your vocabulary in this classic word game by composing words from letters on a grid. Each letter can be used a limited number of times. Compete with friends or challenge yourself across multiple game modes and leaderboards.
- Word composition from letter grid
- Limited letter usage
- 3 game modes
- 11 leaderboards
- 25 achievements
- 17 playing languages
- Official Scrabble® vocabularies
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Embark on a word finding mission and put on test your lexicon in this classic word game! Compose words by selecting the letters on the grid, but choose wisely because every letter could be used only 3 times. You can challenge yourself or your friends on Game Center. FEATURES • 3 game modes • 11 leaderboards • 25 achievements to unlock and challenge your friends • 11 color themes • 17 playing languages - changeable anytime • Official Scrabble® vocabularies - English, Italian, Spanish and French playing vocabularies make use of the official tournament Scrabble® vocabularies • Playing languages supported: english, italian, spanish, french, portuguese, german, russian, dutch, swedish, danish, norwegian, latin, polish, romanian, slovak, czech, greek This game is ads supported. If you want an ads free game buy the Premium version.
Brain Challenge
Test your visual and auditory memory by re-entering increasingly longer codes. This addictive game challenges your recall with a unique nine-digit keyboard.
- Visual and auditory memory challenge
- Increasingly longer codes
- Score based on speed
- Unique nine-digit keyboard
- Addictive gameplay
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Warning: this game is highly addictive and may harm your social life! Challenge both your visual and auditive memory and try to remember and reenter the code entered each round using a nine digits keyboard without numbers :) The number of digits in the code increases each round, and you get more score as you guess the code more quickly. Can you take the challenge? كيف تلعب: حاول اعادة ادخال الكود الذي يظهر كل مرة. بعد كل محاولة يصبح الكود اطول كلما كنت اسرع كلما كانت نتيجتك اكبر
Screenshots
Verdict
The clearest difference is ads: Brain Challenge at none against Lexicon Delta's shown. Brain Challenge also leads on ratings volume (26 vs 2) and monetization model (free vs ad-supported). On price, rating, review sentiment and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.5 for Lexicon Delta against 4.5 for Brain Challenge. That said, the two scores are not equally well evidenced: Brain Challenge has 26 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 80% of Lexicon Delta's written reviews are positive against 75% of Brain Challenge's.
Lexicon Delta ships an update every 4 months, Brain Challenge every 2 months. Both last shipped on September 29, 2026.
| Parameter | Lexicon Delta | Brain Challenge |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (2 ratings) | 4.5 (26 ratings) |
| Positive reviews | 80.0% of reviews — better | 75.0% of reviews |
| Number of ratings | 2 | 26 — better |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 6.0 — better |
| Further details — not scored | ||
| Size | 60 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Nestor Borgo | ARAPPDEV |
Customer experience
Lexicon Delta
Brain Challenge
In-app purchases
Lexicon Delta
No in-app purchases
Brain Challenge
No in-app purchases
Questions
Is Lexicon Delta free?
Is Brain Challenge free?
Which has better reviews, Lexicon Delta or Brain Challenge?
Do Lexicon Delta or Brain Challenge have ads?
Which is updated more often, Lexicon Delta or Brain Challenge?
Other comparisons
