Sharp vs Lexideck
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sharp
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Have you always wanted to learn music theory but it has always felt too difficult? Do you get lost when musicians talk about minor thirds and flat sixths? Do you wish you could finally master the major scale in all keys? Sharp is the solution you’ve been looking for. With a thorough curriculum focused on delivering the patterns that make up nearly all modern music, you’ll be able to learn in a couple of months what takes most people years. • Guided Curriculum: Bite-size lessons that build skills step-by-step across keys and concepts. • Interactive Widgets: Explore each idea as you learn so it truly clicks. Why Sharp • Beginner-Friendly. Start from zero. • Practical Curriculum. The perfect middle ground between deep theory and real-world playing. • Memorization. Hardwire the patterns into your brain so you don't need to think about them. Subscription A subscription is required for full access to all features. Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Lexideck
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Finally learn the words you write down. The familiar problem: you save a word in your notes, a notebook, or a translator app ÔÇö and a week later it's gone. The result you want: ÔÇó Words from work, travel, and books that actually stick ÔÇó Less forgetting, more confidence speaking and reading ÔÇó A few minutes a day instead of endless copying How Lexideck gets you there: ÔÇó Add a word ÔÇö translation and an example sentence fill in automatically ÔÇó Practice a few minutes a day ÔÇö the app knows what to review today ÔÇó Listen to pronunciation and train full sentences too ÔÇó Photograph text from a book, menu, or screen and save unknown words with one tap ÔÇó Track your progress and streak Who it's for: Students, travelers, people at work, and self-learners ÔÇö anyone who writes down words and wants to actually learn them. The core app is free for up to 500 words. Premium removes the limit, explains mistakes, and turns off ads. Terms of Use (EULA): https://www.lexideck.cz/en/terms.html Privacy Policy: https://www.lexideck.cz/en/privacy.html
Screenshots
Verdict
The clearest difference is ads: Sharp at none against Lexideck's shown. Lexideck's advantage is update cadence (every 5 days vs every 3 months). On price, in-app purchases, device support and iOS requirement 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. Sharp sells 2 in-app purchases, starting at $14.99 per month and Lexideck sells 1 in-app purchase, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
Sharp ships an update every 3 months, Lexideck every 5 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | Sharp | Lexideck |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 5 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 15.5 — better |
| Further details — not scored | ||
| Size | 58 MB | 144 MB |
| Age rating | 4+ | 4+ |
| Developer | Parotid | ErokoTech, s.r.o. |
In-app purchases
Sharp
- Pro Monthly$14.991 Month
- Pro Yearly3 Days trial$49.991 Year
Lexideck
- Lexideck Pro Monthly7 Days trial$3.991 Month









