Comparison

Grammatisch vs OpenDict

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

Head to head
About

Grammatisch

Master German grammar with interactive lessons and thousands of exercises. Covers essential topics like articles, verb conjugation, and declensions. Practice and review concepts with detailed corrections to improve your understanding.

Highlights
  • Thousands of grammar exercises
  • Summaries, tables, and lists
  • Topic-based learning
  • Detailed answer corrections
  • Offline access
  • Covers numerous grammar topics
Features
Read full description

Learn German for real with Grammatisch. The app has thousands of exercises as well as summaries, tables and lists for the key topics of the German grammar. You don’t need to take leveling tests, just pick any topic and start learning it. You can solve dozens of exercises in a row to memorize concepts and grammar rules in a short time. When you finish an exercises session, you can check your score and a detailed correction of your answers. The following topics are covered: • Bestimmter Artikel • Pluralform • Personalpronomen • Verbkonjugation - Präsens • Possessivpronomen • Reflexive Verben • Nominativ • Akkusativ • Dativ • Präpositionen • N-Deklination • Relativsätze • Trennbare Verben • Perfekt • Adjektivdeklination • Passiv • Verben mit Präpositionen • Konjunktiv II • Nominalisierung …and many more coming in the next updates! This app does not require an internet connection to work.

About

OpenDict

This app provides an extensive offline dictionary and translator with support for over 200 languages. It offers lightning-fast searches, instant translations, and detailed definitions, all without requiring an internet connection. Organize your vocabulary with custom tags and enjoy a completely ad-free and subscription-free experience.

Highlights
  • Offline dictionary and translator
  • Support for 226 languages
  • Lightning-fast offline search
  • Instant translations and definitions
  • Customizable tags for organization
  • 100% ad-free and subscription-free
Features
Read full description

Discover a comprehensive offline dictionary, translator, and language reference guide. Perfect for students, travelers, linguists, and professionals who need reliable offline language support. POWERFUL LANGUAGE SUPPORT 226 languages in your pocket 317 language pairs 1086 Open Source Sets 9.22 million precise translations and senses 11.75 million detailed definitions 99.29 million usage examples BUILT FOR SPEED Lightning-fast offline search (after downloading initially) Grouped results by parts of speech and word length Instant translations and definitions Quick bookmarking The keyboard is already open when you launch the app Efficient power user features On-device Pronunciations Bi-directional search by default SMART ORGANIZATION Organize entries with custom tags Quick bookmarking Search History Seamless, real-time device syncing and backup Highly customizable settings Cross-device synchronization OPEN AND TRANSPARENT No in-app purchases, or subscriptions 100% ad-free experience, pure functionality Data is not sold to third parties or used for advertising Only open source sets included (Wiktionary, ECDC, News-Commentary, SciELO, Tatoeba, TED2020, XLEnt) All downloaded language data inside the app is free to use, copy, modify, and transform for any purpose SUPPORTED LANGUAGES English, Finnish, German, Russian, Spanish, Chinese Mandarin, French, Portuguese, Italian, Polish, Dutch, Swedish, Hungarian, Korean, Bulgarian, Japanese, Danish, Serbo-Croatian, Czech, Catalan, Greek, Ukrainian, Romanian, Turkish, Galician, Arabic, Irish, Maori, Macedonian, Georgian, Latin, Belarusian, Armenian, Norwegian Bokmål, Vietnamese, Hindi, Persian, Hebrew, Slovak, Icelandic, Indonesian, Welsh, Thai, Estonian, Malay, Norwegian Nynorsk, Azerbaijani, Tagalog, Chinese Cantonese, Latvian, Slovene, Ancient Greek, Scottish Gaelic, Lithuanian, Kazakh, Norwegian, Khmer, Albanian, Urdu, Afrikaans, Mongolian, Occitan, Bengali, Marathi, Tajik, Yiddish, Uzbek, Swahili, Kyrgyz, Northern Kurdish, Faroese, Telugu, Basque, Burmese, Asturian, Malayalam, Lao, Manx, Sicilian, Norman, Sanskrit, Tamil, Bashkir, Uyghur, Turkmen, Maltese, Navajo, Pashto, Walloon, Breton, Central Kurdish, Luxembourgish, Campidanese Sardinian, Tibetan, Tatar, Romansch, Punjabi, Assamese, Gujarati, West Frisian, Venetan, Aromanian, Lower Sorbian, Friulian, Kannada, Scots, Quechua, Hawaiian, Cornish, Cebuano, Cherokee, Hakka Chinese, Nepali, Javanese, Amharic, Sinhalese, Crimean Tatar, Upper Sorbian, Northern Sami, Haitian Creole, Chechen, Greenlandic, Kapampangan, Yoruba, Latgalian, Yakut, Ladino, Corsican, Odia, Bikol Central, Wu Chinese, Zhuang, Assyrian Neo-Aramaic, Ossetian, Southern Altai, Eastern Min Chinese, Low German, Aragonese, Ojibwe, Zulu, Chuvash, Aramaic, Malagasy, Ngazidja Comorian, Coptic, Lombard, Hausa, Tok Pisin, Kalmyk, Sundanese, Carpathian Rusyn, Kashubian, Tigrinya, Kabuverdianu, Abkhaz, Somali, Guaraní, Erzya, Neapolitan, Eastern Mari, Alemannic German, Afan Oromo, Limburgish, Northern Frisian, Udmurt, Dhivehi, Kumyk, Old Irish, Ilocano, Old French, Sindhi, Sranan Tongo, Ladin, Shan, Romani, Chichewa, Tarifit, Mingrelian, Kashmiri, Hiligaynon, Romagnol, Adyghe, Ligurian, Classical Nahuatl, Kikuyu, Pali, Bavarian, Silesian, Papiamentu, Sylheti, Livonian, Xhosa, Komi-Zyrian, Laz, Mon, Old Javanese, Moksha, Franco-Provençal, Kabardian, Saterland Frisian, Karelian, Veps, Jeju, Fula, Middle French, Emilian, Balinese, Konkani, Afar, Mauritian Creole, Iban, Mapudungun, Lule Sami, Bambara, S'gaw Karen, Swazi, Marshallese, Makasar, Magahi, Tokelauan

Screenshots

Grammatisch4 screens
OpenDict4 screens

Verdict

The call

The clearest difference is review sentiment: Grammatisch at 72% against OpenDict's 0%. Grammatisch also leads on rating (4.7 vs 3.0) and ratings volume (723 vs 1). OpenDict's advantage is in-app purchases (none vs 5) and ads (none vs shown). On price 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Grammatisch sells 5 in-app purchases, starting at $7.99 per 7 days. OpenDict asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Grammatisch holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: Grammatisch has 723 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 72% of Grammatisch's written reviews are positive against 0% of OpenDict's.

UpkeepUpdate frequency

Grammatisch ships an update every 9 days, OpenDict monthly. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

Scorecard8 real differences · 2 level
Grammatisch versus OpenDict: the parameters behind the verdict, then further details
ParameterGrammatischOpenDict
PriceFreeFree
Rating4.7 (723 ratings) — better3.0 (1 ratings)
Positive reviews72.0% of reviews — better0.0% of reviews
Number of ratings723 — better1
Update frequencyEvery 9 days — betterMonthly
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Mac, Vision Pro — betteriPhone, iPad, iPod
Requires iOS18.014.0 — better
Further details — not scored
Size84 MB23 MB
Age rating4+4+
DeveloperKonsonant Ensino Digital de Idiomas LtdaDominik Gyecsek

Customer experience

Grammatisch

All ratings722 ratings
Positive93.4%
Neutral2.8%
Negative3.9%
Written reviews257 reviews
Positive72.0%
Neutral8.6%
Negative19.5%

OpenDict

Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

Bugs and requests

Grammatisch

Reported bugs

5 issues
  • Exercises not registering correct answers
  • App crashing after completing lessons
  • Audio not working on certain devices
  • Incorrect grammar explanations in some lessons
  • Overlapping UI elements making content hard to read

Requested features

5 requests
  • Provide more example sentences
  • Add translation for exercises
  • Implement spaced repetition for better retention
  • Expand content to higher proficiency levels
  • Improve audio quality and pronunciation guidance

OpenDict

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

Grammatisch

Subscriptions5
  • Grammatisch Plus$7.997 Days
  • Grammatisch Plus7 Days trial$14.991 Month
  • Grammatisch Plus$33.993 Months
Show 2 more
  • Grammatisch Plus7 Days trial$45.996 Months
  • Grammatisch Plus7 Days trial$89.991 Year
None

OpenDict

No in-app purchases

Questions

Is Grammatisch free?
Grammatisch is free to download, with in-app purchases available.
Is OpenDict free?
OpenDict is free to download, with no in-app purchases.
Which has better reviews, Grammatisch or OpenDict?
Grammatisch is rated higher. Grammatisch averages 4.7 out of 5 from 723 ratings, while OpenDict averages 3.0 from 1 ratings.
Do Grammatisch or OpenDict have ads?
Grammatisch shows ads; OpenDict does not.
Which is updated more often, Grammatisch or OpenDict?
Grammatisch ships an update every 9 days, and OpenDict monthly. Most recently, Grammatisch was updated on November 6, 2026 and OpenDict on November 4, 2026.

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