FlashGram vs Sentence Monster
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FlashGram
This app offers interactive grammar quizzes for children, featuring over 100 questions on various parts of speech. Its colorful, animated design and touchable answers make learning engaging for young minds.
- Over 100 grammar questions
- Covers nouns, verbs, pronouns, adjectives
- Short, touchable answers
- Colorful and animated design
- Engaging for young children
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FlashGram is a fun way to quiz young children (even older ones) on their language arts skills. FlashGram contains over 100 grammar questions covering nouns, verbs, pronouns and adjectives. FlashGram is made up of short questions with touchable answers (no text input required). FlashGram is colorful and animated and will hold the interest of a young child.
Sentence Monster
This app helps language learners improve their writing skills by practicing vocabulary in context. It provides personalized sentence-writing exercises, feedback on accuracy, and targeted reviews for words that need more attention. The goal is to build active recall and confidence in using new words.
- Sentence-based vocabulary practice
- Personalized review of mistakes
- AI-generated sentence assignments
- Writing feedback for accuracy
- Progress and vocabulary insights
- Support for multiple learning languages
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Sentence Monster helps language learners turn vocabulary into sentences they can actually write. Knowing a word is not the same as being able to use it. Sentence Monster gives you short sentence-writing practice, checks your answers, and brings back the words you miss, forget, or still cannot use confidently. Practice with AI-picked sentences tailored to your learning history. Missed, weak, and fading words return through personalized review so you can build active recall instead of only recognizing words. Key features: - Sentence-based vocabulary practice - Personalized review from mistakes and weak words - AI-generated sentence assignments algorithm - Writing feedback for sentence accuracy - Progress and vocabulary insight - Practice across multiple learning languages Sentence Monster is built for learners who freeze when writing, even though they already know many words. Write the sentence, get feedback, and keep repeating the words that need more work. Supported learning languages: English, Korean, Japanese, Chinese, Spanish, French, German, Italian, Portuguese, Dutch, Polish, Turkish, Indonesian, Vietnamese, and Russian. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: Sentence Monster at Free against FlashGram's $0.99. Sentence Monster also leads on update cadence (every 3 weeks vs every 7 months). FlashGram's advantage is rating (4.0 vs 1.5) and iOS requirement (12.0 vs 15.1). On ratings volume, 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
Sentence Monster is free to download; FlashGram costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
FlashGram holds the better App Store score, 4.0 against 1.5. Both are backed by a comparable volume of ratings — 3 and 2 respectively.
FlashGram ships an update every 7 months, Sentence Monster every 3 weeks. Both last shipped on October 31, 2026.
| Parameter | FlashGram | Sentence Monster |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.0 (3 ratings) — better | 1.5 (2 ratings) |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 3 — better | 2 |
| Update frequency | Every 7 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 5 MB | 35 MB |
| Age rating | 4+ | 12+ |
| Developer | PalaSoftware Inc. | MINHYEONG YU |
In-app purchases
FlashGram
No in-app purchases
Sentence Monster
No in-app purchases
Questions
Is FlashGram free?
Is Sentence Monster free?
Which has better reviews, FlashGram or Sentence Monster?
Do FlashGram or Sentence Monster have ads?
Which is updated more often, FlashGram or Sentence Monster?
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