The Estimation Project vs Learn Spanish Speaking Course
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
The Estimation Project
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Diese App wurde von Wissenschaftlerinnen und Wissenschaftlern der Klinik für Psychiatrie an der Universität zu Lübeck entwickelt. Es handelt sich um ein wissenschaftliches Projekt, das psychologische Experimente vom Labor auf Ihr Smartphone überträgt. Wir interessieren uns für psychologische Prozesse, um menschliches Verhalten und Erleben besser zu verstehen.
Learn Spanish Speaking Course
Master Spanish with structured lessons, interactive quizzes, and a rich vocabulary. Practice pronunciation with speech recognition and study offline anytime, anywhere. Available in multiple interface languages.
- Structured lessons from alphabet to advanced grammar
- Interactive quizzes to test knowledge
- Extensive vocabulary with phonetics and examples
- Pronunciation practice with speech recognition
- Offline study mode
- Multi-language interface support
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Master Spanish offline with a structured, step-by-step language course designed to take you from foundational basics to confident, fluent conversation. Whether preparing for travel across Spain or Latin America, studying for DELE exams, or expanding career opportunities, this comprehensive course delivers authentic audio, clear grammar explanations, and interactive quizzes—100% offline. COMPLETE SPANISH CURRICULUM - Beginner to Advanced: Progressive learning path covering Spanish alphabet, essential pronunciation, core vocabulary, and complex grammatical structures. - 4,500+ High-Frequency Words: Thematic vocabulary packs for travel, dining, business, family, emergencies, and daily life with gender articles (el/la). - Full Verb Conjugation Engine: Master regular (-ar, -er, -ir) and irregular verbs across Present, Preterite, Imperfect, Future, Conditional, and Subjunctive moods. - Real-World Dialogues: Practical conversational scenarios to navigate markets, order tapas, check into hotels, and make local friends. NATIVE AUDIO & PRONUNCIATION - Authentic Audio Recordings: High-fidelity native Spanish pronunciation to train your listening comprehension and rhythm. - Slow Audio Playback: Listen at normal or slow speed to catch subtle phonetic nuances and correct your pronunciation. - Accent Mastery: Learn the distinction between European Castilian Spanish and Latin American regional variations. RETENTION & INTERACTIVE PRACTICE - Spaced Repetition Flashcards: Scientifically proven SRS algorithms help lock difficult vocabulary into permanent memory. - Chapter Review Quizzes: Interactive tests featuring multiple-choice questions, fill-in-the-blanks, and sentence construction. - Instant Rationales: Immediate feedback on every quiz question explaining grammatical rules and nuances. - Personal Word Vault: Save difficult words to your custom study deck for quick daily review. ZERO INTERNET REQUIRED Learn Spanish anywhere—on flights, trains, subways, or while traveling abroad without cellular data or Wi-Fi. Download Master Spanish Offline today and speak Spanish with confidence from your very first lesson!
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Verdict
The clearest difference is update cadence: The Estimation Project at every 9 days against Learn Spanish Speaking Course's every 4 months. The Estimation Project also leads on iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
The Estimation Project ships an update every 9 days, Learn Spanish Speaking Course every 4 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | The Estimation Project | Learn Spanish Speaking Course |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.3 (6 ratings) — better |
| Number of ratings | — | 6 — better |
| Update frequency | Every 9 days — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 55 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | UniTransferKlinik Lübeck GmbH | Nagy Solaiman |
In-app purchases
The Estimation Project
No in-app purchases
Learn Spanish Speaking Course
No in-app purchases
Questions
Is The Estimation Project free?
Is Learn Spanish Speaking Course free?
Do The Estimation Project or Learn Spanish Speaking Course have ads?
Which is updated more often, The Estimation Project or Learn Spanish Speaking Course?
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