Langlogy vs SentenceDeck
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Langlogy
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Language learning is more enjoyable and more straightforward than ever. Langlogy has, Immersive Learning Path: Travel through various real-life scenarios with our interactive lessons. Instant Translations: Translate text and speech between multiple languages effortlessly and accurately. Personalized Flashcards: Create custom decks and flashcards to enhance your learning. AI-Powered Conversations: Chat with an AI tutor or AI chat buddy to practice and learn your target language. The companion can play various roles⦠Subscription Information: ⒠Title: Dual Explorer / Polyglot Passport ⒠Length: Monthly or Yearly (auto-renewing) ⒠Price: $9.99/month or $99.99/year (Dual Explorer), $19.99/month or $199.99/year (Polyglot Passport) ⒠Payment will be charged to your Apple ID account at the confirmation of purchase. ⒠Subscription automatically renews unless canceled at least 24 hours before the end of the current period. ⒠You can manage or cancel your subscription in your App Store account settings. Privacy Policy: https://www.langlogy.com/privacy-policy/ Terms of Use: https://www.langlogy.com/terms-and-conditions/
SentenceDeck
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Shadowing, made simple. Paste any text β a news story, a podcast transcript, a page from your textbook β and SentenceDeck turns it into a sentence-by-sentence speaking drill: hear it, say it, hear yourself back. No scripted lessons, no grades. Just the method interpreters and polyglots swear by, applied to the exact text you want to master. HOW A SESSION WORKS For every sentence, SentenceDeck: 1. Plays a clear reference voice 2. Records you automatically β recording stops when you stop speaking 3. Plays your voice back so you can hear the difference Switch on A/B compare to hear reference and recording back to back, lock a tricky sentence to loop it, and change playback speed (0.75Γ to 1.5Γ) without regenerating audio. WHAT'S NEW IN 1.5 β’ A redesigned home screen: pick up where you left off, and see today's sentences, your streak and your lifetime total at a glance β’ A richer premium voice with selectable voice styles β’ Free Sample articles so you can try the flow before adding your own text β’ Backup & Export: premium audio is included in your device backup when backups are enabled and sufficient backup space is available. Only a SentenceDeck ZIP can import compatible articles and audio on a new device; practice progress is not restored. Exported merged audio is for listening only and cannot be imported β’ Clearer pricing: each sentence is generated as you practice. The same sentence is charged once and cached for replay with the same premium voice and style settings; changing the premium voice or style may generate it again and use characters again TWO VOICES β ONE IS FREE System voice: built into iOS. Free, offline, unlimited. Premium voice: natural, expressive male and female voices with several speaking styles. Pay only for the sentences you practice; nothing expires. 9 VOICE LANGUAGES English, Chinese (Simplified and Traditional), Japanese, Korean, Spanish, French, Italian, German. The language of your text is detected automatically, or set it yourself. MADE FOR REAL STUDY β’ Works with any text: articles, dialogues, exam material, notes for a presentation β’ Each sentence is cached for the selected premium voice and style β generate it once, practice as often as you like β’ Light, dark and system themes; 10 interface languages β’ iPhone and iPad PREMIUM VOICE PRICING β’ 6,000 characters (about 100 sentences) β’ 30,000 characters (about 500 sentences) β’ 72,000 characters (about 1,200 sentences) Characters never expire. The App Store shows the local price for your region. Whether you are preparing for IELTS, TOEFL, JLPT or TOPIK, polishing a presentation, or just want to sound more natural, SentenceDeck gives you a focused, repeatable speaking routine from any text you choose. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.kuroneko-cmd.dev/privacy/sentencedeck/
Screenshots
Verdict
The clearest difference is ads: SentenceDeck at none against Langlogy's shown. Langlogy's advantage is iOS requirement (15.1 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Langlogy sells 4 in-app purchases, starting at $9.99 per month and SentenceDeck sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Langlogy ships an update every 8 months, SentenceDeck every 6 months. The most recent releases landed on September 9, 2026 and August 30, 2026 respectively.
| Parameter | Langlogy | SentenceDeck |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 months | Every 6 months β better |
| Ads | Yes | No β better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod β better | iPhone, iPad |
| Requires iOS | 15.1 β better | 17.0 |
| Further details β not scored | ||
| Size | 46 MB | 10 MB |
| Age rating | 12+ | 4+ |
| Developer | Antlogy LLC | ε₯ζΏ δ»» |
In-app purchases
Langlogy
- Dual Explorer Monthly$9.991 Month
- Polyglot Passport Monthly$19.991 Month
- Dual Explorer Yearly$99.991 Year
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- Polyglot Passport Yearly$199.991 Year
SentenceDeck
- Credits 100$0.99
- Credits 500$3.99
- Credits 1200$7.99





