Comparison

Glagol vs Kaltterra

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

Head to head
About

Glagol

Features
Read full description

Learn Russian by practising it. Glagol teaches Russian through real sentences instead of memorised tables. You meet every word in context, hear it in native-quality audio, and lock it in with a smart review system. WHAT'S INSIDE โ€ข A1โ€“B2 curriculum โ€” four parts, unit by unit โ€ข 600+ words โ€” with stress marks and native-quality audio โ€ข The six cases โ€” Russian's hardest topic, step by step, always in context โ€ข Verbs โ€” aspect pairs, verbs of motion, conjugations โ€ข Cyrillic alphabet course โ€” all 33 letters in seven short lessons โ€ข The Lab โ€” phrases, patterns, writing, dictation and speed typing โ€ข Smart review (FSRS) โ€” surfaces your weak words and tracks their strength โ€ข Compass โ€” a personal daily plan that tells you what to study HOW IT WORKS Short daily sessions. New words go through an introduction phase, then a mastery phase โ€” a per-word progress bar shows exactly how far each one has come. Mistakes aren't forgotten; they come back at the right moment. FREE AND PRO The whole learning path is free: every level from A1 to B2, the vocabulary, the cases, the verbs and the alphabet course. Glagol Pro unlocks the full Compass daily plan, the four Lab studios (phrases, patterns, writing, dictation) and offline vocabulary. English, Turkish, Spanish and Uzbek interface. Your progress syncs seamlessly across your devices. Privacy Policy: https://glagol.app/privacy Terms of Use: https://glagol.app/terms

About

Kaltterra

Features
Read full description

Kaltterra: The Aesthetic, Intelligent, and Goal-Driven Language Learning Ecosystem! Language learning is no longer about rote memorization or dry grammar drills. Kaltterra transforms your language journey through dynamic curriculums tailored to your real-life goals, AI-powered life scenarios, an advanced Pronunciation Lab, and an inspiring, premium interface. 1. 5 PERSONALIZED LEARNING GOALS No more one-size-fits-all study. Choose your personal objective, and Kaltterra tailors your vocabulary, flashcards, and labs: - Family Reunion: A1 official exam preparation, consulate interview simulator, civil registry documents, and practical bureaucracy terms. - Work Visa and Career: Specialized terminology across 6 industries (Healthcare, Engineering, IT, Gastronomi), diploma recognition guides, and job interview practice. - Student and Academic Visa: Academic language test prep (TestDaF, IELTS), blocked accounts, campus bureaucracy, and lecture hall vocabulary. - Full Library: Complete access from A1 to C2, comprehensive grammar guides, and all specialized language labs. - Zero Database (Custom Slate): Build your own private vocabulary bank from scratch with our powerful card tools. 2. FOCUSED REAL-LIFE SCENARIOS Skip the clutter and master context. Major topics and visa themes are organized into compact 25-35 word scenario packs: - Ordering at a Cafe, Hotel Check-In, Consulate Visa Interview, Job Interview Simulator, Airport Procedures, and more. - Complete a focused 25-word micro-session or master the entire topic with a single tap. 3. WORLD LANGUAGES, TURKIC LANGUAGES AND 6 ANCIENT LANGUAGES - Global Modern Languages: German, English, Spanish, French, Russian, Italian, Arabic, Chinese, Japanese, Korean. - Turkic Language Family: Turkish, Azerbaijani, Kazakh, Kyrgyz, Uzbek, Turkmen. - Ancient and Historical Languages: Old Turkic (Orkhon), Latin, Hittite, Sumerian, Egyptian Hieroglyphs, and Ottoman Turkish. 4. SCIENTIFIC AND INTERACTIVE LEARNING LABS - Pronunciation Lab: Do not just listen! Record your voice, get smart pronunciation analysis, and speak with native confidence. - Smart SRS (Spaced Repetition System): Scientifically proven memory curve schedules cards right before you forget them for permanent retention. - Interactive Roadmap (Units 1-60): Structured step-by-step progress with listening, fill-in-the-blanks, matching pairs, and cultural immersion. - AI Real-Time Chat and Tutor: Chat freely with an AI language partner and receive real-time grammar feedback. - Satzbau (Sentence Building) and Synonyms: Master word order and double your active vocabulary. - Media Reader and News: Read real-world articles with instant dictionary lookups. 5. LUXURY DESIGN AND 100% OFFLINE CAPABILITY - Crafted with modern glassmorphism, eye-comfort dark mode, and smooth micro-animations. - True offline-first architecture: practice anytime on subways, flights, or remote locations without an internet connection. Define your goal, break the barriers, and speak the world in its own language with Kaltterra!

Screenshots

Glagol4 screens
Kaltterra4 screens

Verdict

The call

The clearest difference is in-app purchases: Kaltterra at none against Glagol's 2. Kaltterra also leads on update cadence (every 2 days vs every 9 days). On price, ads, device support and iOS requirement there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Glagol sells 2 in-app purchases, starting at $9.99 per month. Kaltterra asks for nothing beyond the download.

UpkeepUpdate frequency

Glagol ships an update every 9 days, Kaltterra every 2 days. The most recent releases landed on November 5, 2026 and October 18, 2026 respectively.

Scorecard2 real differences ยท 4 level
Glagol versus Kaltterra: the parameters behind the verdict, then further details
ParameterGlagolKaltterra
PriceFreeFree
Update frequencyEvery 9 daysEvery 2 days โ€” better
AdsNoNo
In-app purchasesYesNo โ€” better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 โ€” better15.1
Further details โ€” not scored
Size126 MB596 MB
Age rating4+4+
DeveloperMustafa Tugrul OzenenArmagan ERSOY

In-app purchases

2 purchases

Glagol

Subscriptions2
  • Glagol Pro โ€” Monthly$9.991 Month
  • Glagol Pro โ€” Annual7 Days trial$49.991 Year
None

Kaltterra

No in-app purchases

Questions

Is Glagol free?
Glagol is free to download, with in-app purchases available.
Is Kaltterra free?
Kaltterra is free to download, with no in-app purchases.
Do Glagol or Kaltterra have ads?
Neither Glagol nor Kaltterra shows ads.
Which is updated more often, Glagol or Kaltterra?
Glagol ships an update every 9 days, and Kaltterra every 2 days. Most recently, Glagol was updated on November 5, 2026 and Kaltterra on October 18, 2026.

Other comparisons