Comparison

Vox Comprehensive Spanish vs Theological Dictionary

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

Head to head
About

Vox Comprehensive Spanish

This comprehensive Spanish dictionary and verb conjugator offers extensive definitions, synonyms, and regional vocabulary. It provides offline access to thousands of verb conjugations in all tenses, along with a history function and smart search capabilities.

Highlights
  • Extensive Spanish dictionary with 53,000 entries
  • 112,000 definitions and 21,000 synonyms
  • Verb conjugations in all tenses
  • Offline functionality
  • Smart search with typo correction
  • Region-specific vocabulary labeling
  • History function for recent lookups
Features
Read full description

Top-selling dictionary app since 2008 • Every translation you need PLUS verb conjugations in all tenses • No internet connection required! "For serious language students and translators who are looking for more precision." - The New York Times Featured by Apple as "What's Hot" and "Staff Favorite" "mas que exelente... te sale mas barato que comprar uno en una librería ademas de que este lo puedes instalar en muchos dispositivos y su interfaz es muy buena" - User Review (translation: "more than excellent... cheaper than buying one in a library besides this you can install it on many devices and their interface is very good!") The most comprehensive Spanish dictionary available from Vox meets the most powerful dictionary interface on the iPhone and iPad in this app. Vox is one of the best sources for Spanish language data in the world, made even more useful with the functionality Ultralingua provides. This app includes verb conjugation, number translation, a history function, and much more. DICTIONARY: • Over 53,000 entries with 112,000 definitions, including 21,000 synonyms • Tap-and-hold any word or phrase and choose "Speak" from the popup menu to hear that word spoken using Apple's built-in text-to-speech feature. • Region-specific vocabulary is labeled within the definitions, with Latin American and European varieties of Spanish represented • Thousands of biographic and geographic entries, as well as etymologies (root word histories) • Slang, technical language, and regional differences in spelling and usage • Hundreds of usage notes about troublesome constructions • Smart search results in case you misspell or mistype • Search-as-you-go displays words and narrows your selection as you type VERBS: • Conjugations for thousands of Spanish verbs • Includes all standard tenses and forms • Smart search finds infinitives and catches misspellings • Must-have reference tool for any student or language professional • On iPhone/iPod touch, conjugate a verb from the dictionary results by tapping it MORE: • Translate numerals into Spanish text with the number tool • Tap the history button to view the 50 most recent dictionary definitions, verb conjugations, and more in one place. Sort the list alphabetically or by date, and choose to clear the list completely or delete one entry at a time. • No internet connection required • Change your device settings to view the app display in English, Spanish, French, Italian, Portuguese, or German REVIEWS: "This exceeds my expectations. Very easy to use. Definitions give examples of use of the word. For the student of Spanish, this makes the meaning clear without my needing to go to an English translation. The Verb tenses are right there. I am impressed!" -User review View our reviews below to see why users love this app, and remember to let us know what you think! Are you learning Spanish? A monolingual Spanish dictionary is a must-have tool for any Spanish language learner. This app includes conjugations of thousands of Spanish verbs in all standard forms. The all-Spanish data also helps immerse students in the language, which is shown to increase proficiency and retention. This is a monolingual Spanish dictionary. Many bilingual dictionaries are also available from Ultralingua, including combinations of English, Spanish, French, Italian, Portuguese, German, and more. See what else we have to offer by searching for Ultralingua in the App Store. Follow us on Twitter and become a fan on Facebook for app news, language learning tips, and more: http://www.twitter.com/ultralingua http://on.fb.me/ifI8Hy

About

Theological Dictionary

Access a comprehensive theological lexicon with over 1500 entries, explained alphabetically. Organize your learning with custom lists, flashcards, and daily quizzes. Bookmark key terms for quick reference.

Highlights
  • Over 1500 theological entries
  • Alphabetical organization
  • Custom list creation
  • Bookmark favorite terms
  • Daily learning prompts
  • Multiple-choice quizzes
  • Flashcard study tool
Features
Read full description

This app provides a version of Theological Dictionary. It provides brief explanations, in alphabetical order, of the most important concepts of Theology DICTIONARY • Over 1500 entries • Bookmark a word CUSTOM LISTS • Create your own lists • Add entries into a list • Review your lists FEATURES • Advanced search • Built-in dictionary • Learn 5 entries daily • Multiple-choice quizzes • Flashcards

Screenshots

Vox Comprehensive Spanish3 screens
Theological Dictionary4 screens

Verdict

The call

The clearest difference is price: Theological Dictionary at $0.99 against Vox Comprehensive Spanish's $14.99. Theological Dictionary also leads on iOS requirement (11.0 vs 18.6). Vox Comprehensive Spanish's advantage is review sentiment (76% vs 33%) and update cadence (every 5 months vs every 85 months). On ads, in-app purchases, monetization model 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

Vox Comprehensive Spanish costs $14.99 and Theological Dictionary $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Vox Comprehensive Spanish ships an update every 5 months, Theological Dictionary every 85 months. The most recent releases landed on November 10, 2026 and November 2, 2026 respectively.

Scorecard4 real differences · 6 level
Vox Comprehensive Spanish versus Theological Dictionary: the parameters behind the verdict, then further details
ParameterVox Comprehensive SpanishTheological Dictionary
Price$14.99$0.99 — better
Rating4.7 (62 ratings) — better—
Positive reviews76.5% of reviews — better33.3% of reviews
Number of ratings62 — better—
Update frequencyEvery 5 months — betterEvery 85 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.611.0 — better
Further details — not scored
Size19 MB72 MB
Age rating4+4+
DeveloperUltralingua, Inc.Trung Nguyen

Customer experience

Vox Comprehensive Spanish

All ratings61 ratings
Positive93.4%
Neutral3.3%
Negative3.3%
Written reviews17 reviews
Positive76.5%
Neutral5.9%
Negative17.6%

Theological Dictionary

Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

In-app purchases

None

Vox Comprehensive Spanish

No in-app purchases

None

Theological Dictionary

No in-app purchases

Questions

Is Vox Comprehensive Spanish free?
Vox Comprehensive Spanish costs $14.99, with no in-app purchases.
Is Theological Dictionary free?
Theological Dictionary costs $0.99, with no in-app purchases.
Do Vox Comprehensive Spanish or Theological Dictionary have ads?
Neither Vox Comprehensive Spanish nor Theological Dictionary shows ads.
Which is updated more often, Vox Comprehensive Spanish or Theological Dictionary?
Vox Comprehensive Spanish ships an update every 5 months, and Theological Dictionary every 85 months. Most recently, Vox Comprehensive Spanish was updated on November 10, 2026 and Theological Dictionary on November 2, 2026.

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