Comparison

Preposition Builder Master Pro vs Simple Flashcards

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

Head to head
About

Preposition Builder Master Pro

Learn English prepositions and grammar by correctly placing words to form sentences and common sayings. This game offers multiple difficulty levels, from beginner to expert, and includes a fun way to master idioms and expressions. Compete with others or practice solo to improve your language skills.

Highlights
  • Sentence building with prepositions
  • Multiple difficulty levels (Beginner to Expert)
  • Proverbs and Sayings level
  • Time penalties for errors
  • Scoring based on speed and accuracy
  • Online multiplayer mode
  • Game Center integration
Features
Read full description

Learn prepositions in English and grammar by putting the prepositions in place to form correct sentences and sayings. Preposition Master is a fun and educational game for kids and English language students of all ages who want to learn and improve their language skills in a more entertaining way. How do you play? It’s easy. The game consists of putting the prepositions from each level in the correct place to form a correct sentence. (Beginner, competent, professional, expert, sayings.) If you make a mistake and click the incorrect preposition, there is a time penalty. Once you have completed the sentence you will receive a score based on how fast you were and your total number of errors. You can share your knowledge with other players worldwide thanks to online multiplayer mode or with your friends on Game Center. Are you an English expert who wants to show off your skills? Are you an English student who wants to improve your skills? Preposition Master will help you use prepositions in sentences correctly. Preposition Master is the first game of its kind designed and developed completely by educators to help students improve one of the biggest problems language learners all face, correct use of prepositions. With four levels from beginner to expert, Preposition Master is a challenge for everyone from the Beginner to the most seasoned English language communicators. The Proverbs and Sayings level is a great way to learn and remember popular English idioms and expressions. These are the levels: Beginner: Ideal for children. This level contains the easiest sentences with the fewest prepositions to work with. Competent: This is where things start to get harder. This level is great for learners who are a bit farther along in their English language learning adventure. Professional: Great for users with a solid base in English who want to keep their skills up to date. Expert: Only for those with the most proficient English skills. Are you one of them? Do you have what it takes to become the next Preposition Master? Try your luck in single player mode or against friends and other players worldwide. Learn English with a smile on your face.

About

Simple Flashcards

Effortlessly create English vocabulary flashcards using OCR or by pasting word lists. This offline app automatically populates definitions, IPA, and example sentences, and offers AI-powered word list generation. Study with active recall and dual dictionaries, all without ads or accounts.

Highlights
  • Zero-typing flashcard creation
  • OCR photo scan for vocabulary extraction
  • Automatic definition and IPA population
  • AI word-list assistant
  • Offline English-Vietnamese and English-English dictionaries
  • Active recall study flow
  • System-wide quick add from external apps
Features
Read full description

Create English vocabulary flashcards in seconds. Autofill meanings, pronunciation IPA, parts of speech, and example sentences. Support looking up words in the En-En & En-Vi dictionary, learn English by reading news articles, and add new vocabulary directly to your flashcards. 100% offline. No ads. No accounts required. EFFORTLESS FLASHCARD CREATION - Paste a list of words or phrases: The built-in dictionary automatically fills in definitions, pronunciation IPA, parts of speech, and real-world example sentences. - Import from text files: Quickly turn plain text word lists (.txt) into structured study decks. - Scan books, worksheets, or whiteboards: Offline OCR recognizes and extracts vocabulary instantly. - AI word-list assistant: Generate customized word lists by topic, CEFR level, and count; review and add them to your deck with just one tap. - Import from recent lookups: Easily bundle words you've looked up in the dictionary into your study decks without duplicates. LEARN IN CONTEXT WITH OFFLINE ARTICLES - Curated English reading library: Read engaging offline articles across World News, Science & Tech, Culture, Education, and History, labeled by CEFR levels (A1–C2) to match your skill level. - Instant in-article lookup: Tap any unfamiliar word while reading to view its phonetic IPA, audio pronunciation, definitions, and examples in a popover without losing your reading flow. - 1-tap Quick Add: Save newly discovered words directly from the article into your flashcard sets with a single tap to reinforce long-term memory. - Distraction-free reading tools: Customize text size, track reading progress, bookmark favorite articles, and access optional full-article Google Translate. - My Articles: Add and organize your own English articles to learn vocabulary in the context of topics you care about. BUILT-IN OFFLINE DICTIONARY & 1-TAP SAVE - Search words anytime in 2 independent offline dictionaries: English–Vietnamese and English–English. - View comprehensive definitions by part of speech, phonetic IPA, audio pronunciation, and contextual examples. - 1-tap save & Bulk Quick Add: Instantly save words into any flashcard set, or bulk-add recent searches with duplicate-safe protection. IN-STUDY CROSS-SEARCH & SYSTEM-WIDE QUICK ADD - Cross-search while studying: Highlight any unfamiliar word inside example sentences or definitions to look it up instantly or add it directly to your active study set. - System-wide Quick Add: Highlight English text in any external app (browser, eBook reader, chat) and tap "Add to Flashcards" / "Quick Add" to save it directly. ACTIVE RECALL STUDY & DUAL DICTIONARY TRACKS - Intuitive 2-gesture study flow: Tap to flip, swipe to navigate between cards. - Native text-to-speech (TTS) pronunciation with independent auto-pronounce settings for Flashcards and Dictionary. - Mark mastered words to automatically filter and focus review time on vocabulary you haven't mastered yet. - Flexible card views: Switch seamlessly between Full and Compact modes; add or edit custom definitions whenever needed. - 2 independent dictionary tracks (English–Vietnamese & English–English) to support your transition from bilingual learning to thinking directly in English. CURATED STARTER SETS INCLUDED Start studying immediately with pre-built vocabulary decks: - CEFR Levels (A1, A2, B1, B2, C1) - IELTS & TOEFL Core Vocabulary - Oxford Core 3000 / 5000 Word Lists - Common Phrasal Verbs & Idioms 100% OFFLINE & PRIVACY-FIRST - Works completely offline without requiring an internet connection. - No account registration, no tracking, and no ads. - All flashcard data, study progress, and search history stay securely on your device.

Screenshots

Preposition Builder Master Pro4 screens
Simple Flashcards4 screens

Verdict

The call

The clearest difference is review sentiment: Simple Flashcards at 100% against Preposition Builder Master Pro's 0%. Simple Flashcards also leads on monetization model (free vs paid) and update cadence (every 3 days vs every 2 months). Preposition Builder Master Pro's advantage is ratings volume (17 vs 1) and device support (3 vs 1). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Simple Flashcards holds the better App Store score, 4.0 against 3.8. That said, the two scores are not equally well evidenced: Preposition Builder Master Pro has 17 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Preposition Builder Master Pro's written reviews are positive against 100% of Simple Flashcards's.

UpkeepUpdate frequency

Preposition Builder Master Pro ships an update every 2 months, Simple Flashcards every 3 days. The most recent releases landed on September 23, 2026 and September 11, 2026 respectively.

Scorecard6 real differences · 4 level
Preposition Builder Master Pro versus Simple Flashcards: the parameters behind the verdict, then further details
ParameterPreposition Builder Master ProSimple Flashcards
PriceFreeFree
Rating3.8 (17 ratings)4.0 (1 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings17 — better1
Update frequencyEvery 2 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better16.0
Further details — not scored
Size45 MB135 MB
Age rating4+4+
DeveloperImanol Fernandez GorostizagaVan Lang Technologies

Customer experience

Preposition Builder Master Pro

All ratings17 ratings
Positive64.7%
Neutral5.9%
Negative29.4%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Simple Flashcards

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Preposition Builder Master Pro

No in-app purchases

None

Simple Flashcards

No in-app purchases

Questions

Is Preposition Builder Master Pro free?
Preposition Builder Master Pro is free to download, with no in-app purchases.
Is Simple Flashcards free?
Simple Flashcards is free to download, with no in-app purchases.
Which has better reviews, Preposition Builder Master Pro or Simple Flashcards?
Simple Flashcards is rated higher. Preposition Builder Master Pro averages 3.8 out of 5 from 17 ratings, while Simple Flashcards averages 4.0 from 1 ratings.
Do Preposition Builder Master Pro or Simple Flashcards have ads?
Neither Preposition Builder Master Pro nor Simple Flashcards shows ads.
Which is updated more often, Preposition Builder Master Pro or Simple Flashcards?
Preposition Builder Master Pro ships an update every 2 months, and Simple Flashcards every 3 days. Most recently, Preposition Builder Master Pro was updated on September 23, 2026 and Simple Flashcards on September 11, 2026.

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