Comparison

AyperZ vs SentenceDeck

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

Head to head
About

AyperZ

Features
Read full description

Discover the words one by one, then in context in sentences, and have fun with our quizzes! Follow our cycles to assimilate 10 words in 5 minutes. Anchor them in your memory thanks to the journal and oral spaced repetition, to also improve your communication skills. Thus master the 1000 words that cover 80% of common conversations in less than 10 hours. ** Unlock the 5000 most frequent words in each language thanks to ads! ** Available languages: • French • English • Spanish • Italian • Mandarin Chinese (Hanzi + pinyin) • Japanese (Kanji + romaji) • Korean

About

SentenceDeck

Features
Read full description

Shadowing, made simple. Paste any text — a news story, a podcast transcript, a page from your textbook — 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 — 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 (0.75Ɨ to 1.5Ɨ) without regenerating audio. WHAT'S NEW IN 1.5 • A redesigned home screen: pick up where you left off, and see today's sentences, your streak and your lifetime total at a glance • A richer premium voice with selectable voice styles • Free Sample articles so you can try the flow before adding your own text • 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 • 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 — 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 • Works with any text: articles, dialogues, exam material, notes for a presentation • Each sentence is cached for the selected premium voice and style — generate it once, practice as often as you like • Light, dark and system themes; 10 interface languages • iPhone and iPad PREMIUM VOICE PRICING • 6,000 characters (about 100 sentences) • 30,000 characters (about 500 sentences) • 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

AyperZ4 screens
SentenceDeck4 screens

Verdict

The call

The clearest difference is in-app purchases: AyperZ at none against SentenceDeck's 3. AyperZ also leads on update cadence (every 2 months vs every 6 months) and iOS requirement (15.1 vs 17.0). SentenceDeck's advantage is ads (none vs shown). On price and device support there is nothing between them.

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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. SentenceDeck sells 3 one-off in-app purchases. AyperZ asks for nothing beyond the download.

UpkeepUpdate frequency

AyperZ ships an update every 2 months, SentenceDeck every 6 months. The most recent releases landed on September 8, 2026 and August 30, 2026 respectively.

Scorecard4 real differences Ā· 2 level
AyperZ versus SentenceDeck: the parameters behind the verdict, then further details
ParameterAyperZSentenceDeck
PriceFreeFree
Update frequencyEvery 2 months — betterEvery 6 months
AdsYesNo — better
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size85 MB10 MB
Age rating4+4+
DeveloperAndriamifidy Rakotomanga儇濂 ä»»

In-app purchases

None

AyperZ

No in-app purchases

3 purchases

SentenceDeck

One-time3
  • Credits 100$0.99
  • Credits 500$3.99
  • Credits 1200$7.99

Questions

Is AyperZ free?
AyperZ is free to download, with no in-app purchases.
Is SentenceDeck free?
SentenceDeck is free to download, with in-app purchases available.
Do AyperZ or SentenceDeck have ads?
AyperZ shows ads; SentenceDeck does not.
Which is updated more often, AyperZ or SentenceDeck?
AyperZ ships an update every 2 months, and SentenceDeck every 6 months. Most recently, AyperZ was updated on September 8, 2026 and SentenceDeck on August 30, 2026.

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