Comparison

Computed Tomography vs DeutschSpeak

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

Head to head
About

Computed Tomography

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The app provides basic knowledge in the use of industrial computertomographs and is a handy reference for the most important terms in this field. Among other things, the course teaches basics in handling x-ray radiation, the procedure of a measurement up to reconstruction and subsequent evaluation. In a glossary, technical terms such as beam hardening, binning and defocusing are also explained.

About

DeutschSpeak

Master German vocabulary, grammar, and pronunciation with a comprehensive learning path from beginner to advanced. Features hands-free speaking practice, dedicated drills for articles and cases, and structured lessons with spaced repetition.

Highlights
  • 6,500+ German words and phrases
  • Master der/die/das articles
  • All four German cases (Nominativ to Genitiv)
  • Hands-free speaking practice with voice recognition
  • A1 to C1 CEFR level progression
  • 1,200+ structured lessons with spaced repetition
  • 80 graded stories with translations
Features
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DeutschSpeak is the only app built from the ground up for learning German. Master 6,500+ words, der/die/das articles, all four German cases, hands-free speaking practice, and German culture — from complete beginner (A1) to advanced (C1). Every lesson, every drill, every word was designed specifically for German learners — not bolted on as an afterthought. WHAT MAKES DEUTSCHSPEAK DIFFERENT Most language apps treat German like any other language. DeutschSpeak was built to solve the problems that make German hard — dedicated drills for der/die/das, Nominativ through Genitiv, and verb conjugations that actually stick. HANDS-FREE SPEAKING PRACTICE Our standout feature. Practice German completely voice-driven — no typing, no tapping: • Daily Challenge with streak tracking — speak 5 words a day, build a habit • Words and Sentences mode — practice individual words or full sentences • English to German and German to English — train both recall and comprehension • Relaxed, Normal, or Fast speed — for every skill level • 100+ topic filters — focus on food, travel, numbers, family, and more • Smart speech recognition with 30-day streak calendar COMPLETE GERMAN LEARNING PATH A1: Greetings, numbers, essential words, basic articles A2: Everyday conversations, simple grammar, common phrases B1: All four cases, complex sentences, workplace German B2: Fluent conversations, nuanced grammar, German media C1: Near-native comprehension, professional German EVERYTHING YOU NEED TO LEARN GERMAN • 6,500+ German words and phrases — the largest curated German vocabulary • All four cases with dedicated drills — Nominativ, Akkusativ, Dativ, Genitiv • Der/die/das gender drills — finally master German articles • A1 to C1 CEFR levels — structured progression that never hits a wall • 1,200+ structured lessons with spaced repetition • 80 graded stories with side-by-side translations • 73 listening passages with native audio at normal and slow speeds • 80 guided writing exercises with model answers • 81 conversation scenarios for real German dialogues LESSONS THAT STICK Each lesson introduces 5–10 words with multiple repetitions in progressive difficulty. Get a word wrong? It comes back. Early lessons are recognition-only — no typing until you are ready. Smart vocabulary tracking shows your readiness for stories and listening before you start. STAY MOTIVATED • Daily streaks, XP, and achievement badges • Leaderboards — compete with other German learners • Hands-free daily challenge with 30-day streak calendar PERFECT FOR • Expats moving to Germany, Austria, or Switzerland • Goethe-Zertifikat and TestDaF test preparation • Heritage learners reconnecting with German • Travelers planning trips to German-speaking countries • University students studying German • Anyone serious about learning German SUBSCRIPTION INFORMATION DeutschSpeak offers auto-renewable subscriptions: • Monthly Plan: $2.99/month • Annual Plan: $24.99/year ($2.08/month) with a 7-day free trial • Lifetime Access: $44.99 one-time purchase Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your App Store account settings after purchase. No ads. No distractions. Learn German at your own pace with DeutschSpeak. Terms of Use: https://deutschspeak.speaklangs.com/terms.html Privacy Policy: https://deutschspeak.speaklangs.com/privacy.html

Screenshots

Computed Tomography4 screens
DeutschSpeak4 screens

Verdict

The call

The clearest difference is in-app purchases: Computed Tomography at none against DeutschSpeak's 3. DeutschSpeak's advantage is update cadence (every 2 weeks vs every 12 months). On price, ads, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. DeutschSpeak sells 3 in-app purchases, starting at $2.99 per month. Computed Tomography asks for nothing beyond the download.

UpkeepUpdate frequency

Computed Tomography ships an update every 12 months, DeutschSpeak every 2 weeks. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.

Scorecard2 real differences · 8 level
Computed Tomography versus DeutschSpeak: the parameters behind the verdict, then further details
ParameterComputed TomographyDeutschSpeak
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 12 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size67 MB34 MB
Age rating4+4+
DeveloperCarl Zeiss AGFahim Mohammad Chowdhury

In-app purchases

None

Computed Tomography

No in-app purchases

3 purchases

DeutschSpeak

Subscriptions2
  • Monthly Pro7 Days trial$2.991 Month
  • Annual Pro7 Days trial$24.991 Year
One-time1
  • Lifetime Pro$44.99

Questions

Is Computed Tomography free?
Computed Tomography is free to download, with no in-app purchases.
Is DeutschSpeak free?
DeutschSpeak is free to download, with in-app purchases available.
Do Computed Tomography or DeutschSpeak have ads?
Neither Computed Tomography nor DeutschSpeak shows ads.
Which is updated more often, Computed Tomography or DeutschSpeak?
Computed Tomography ships an update every 12 months, and DeutschSpeak every 2 weeks. Most recently, Computed Tomography was updated on October 14, 2026 and DeutschSpeak on October 9, 2026.

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