AppTierList › Grammar Checking › Grammar: Sentence Diagrammer › Alternatives
10+ Best Grammar: Sentence Diagrammer Alternatives for iPhone (2026)
Grammar: Sentence Diagrammer is C tier, #11 of the 18 tiered apps in grammar checking. Here is everything that competes with it on iPhone, in tier order.
Most similar
Top rated in Grammar Checking
All 17 alternatives, in tier order
- 1
Free + IAP · ★ 4.6 · 413,881 ratings · score 97IOS keyboard offering grammar, spelling and AI rewrite suggestions, plus voice dictation, in apps across iPhone and. - 2
Free + IAP · ★ 4.7 · 50,910 ratings · score 95Keyboard extension offering an AI chatbot, grammar and spelling checks, wording suggestions, translation, message. - 3
Free + IAP · ★ 4.6 · 28,712 ratings · score 94Checks typed text for grammar and spelling mistakes, with suggestions, synonyms, definitions and short explanations of. - 4
Free + IAP · ★ 4.7 · 12,865 ratings · score 93IOS writing assistant with AI paraphrasing, grammar checking, translation, AI detection and an AI keyboard. - 5
Free + IAP · ★ 4.7 · 3,195 ratings · score 92AI keyboard and writing assistant with grammar checks, paraphrasing, tone changes, translation, chat and AI notes. - 6
Free + IAP · ★ 4.8 · 1,017 ratings · score 91AI grammar checker for English text with file upload, unlimited word count, check history and side-by-side error. - 7
Free + IAP · ★ 4.6 · 4,559 ratings · score 90AI writing assistant that checks grammar, spelling and punctuation, plus a keyboard for use in other apps. - 8
Free + IAP · ★ 4.7 · 5,823 ratings · score 90Grammar checker and writing assistant with rewriting, saved clips, writing insights and an AI-text detector. - 9
Free + IAP · ★ 4.5 · 180 ratings · score 87Checks and corrects grammar in text or photos across over 100 languages, with explanations of each mistake. - 10
Free + IAP · ★ 4.6 · 7,969 ratings · score 78AI-assisted writing app that checks grammar, spelling, punctuation and syntax, suggests rephrasings, synonyms and. - 12
Free + IAP · ★ 4.6 · 2,097 ratings · score 66Checks text for grammar, spelling, punctuation, and capitalization errors, with grammar explanations and text sharing. - 13
Free + IAP · ★ 4.5 · 2,855 ratings · score 65AI keyboard and chat assistant that checks grammar, rephrases and completes messages, suggests emojis, and turns texts. - 14
Free + IAP · ★ 4.6 · 164 ratings · score 63Free app that checks grammar, punctuation and spelling and offers AI sentence suggestions for clarity, tone and style. - 15
Free + IAP · ★ 4.7 · 1,737 ratings · score 63Sentence corrector that rewrites input text with grammar and spelling fixes, plus synonyms and grammar explanations. - 16
Free + IAP · ★ 4.8 · 500 ratings · score 58Grammar and spelling checker with text refinement, synonyms, word definitions, PDF import and editing history. - 17
Free + IAP · ★ 4.7 · 639 ratings · score 54An AI keyboard that offers grammar checks, rewrites, tone themes, translation and a built-in chat for writing in any. - 18
Free + IAP · ★ 4.8 · 5,457 ratings · score 52Corrects grammar and spelling and suggests wording changes, with define, synonym, sharing and text-to-speech tools.
Questions people ask
- What is the best alternative to Grammar: Sentence Diagrammer on iPhone?
- Grammarly: AI Keyboard & Voice, S tier, #1 in grammar checking.
- Is there a free alternative to Grammar: Sentence Diagrammer?
- Yes: Grammarly: AI Keyboard & Voice (S tier, #1) is free to download, with in-app purchases.
- Does anything rank above Grammar: Sentence Diagrammer?
- Yes. 10 apps rank above it in grammar checking: Grammarly: AI Keyboard & Voice (#1), TypeAI: AI Keyboard & Writer (#2), CorrectMe Grammar AI Keyboard (#3) and more.