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#️⃣ Instagram captions and hashtags
Write captions that make people comment or save, and pick hashtags that fit your niche.
- 1
F
Flick ✓ CompliantAI social media assistant: ideas, captions, hashtags, scheduling.
Price : Solo £11/month billed annually; Pro £24/month billed annually; Agency £55/month billed annually; 7-day trial [Source, 2026-10-19], 0 verified reviews - provisional ranking.
- 2
DP
Display Purposes ✓ CompliantInstagram hashtag research, banned hashtag checks, captions and Reels metrics.
Price : To be verified (automatic reading was inconclusive) [Source, 2026-10-22], 0 verified reviews - provisional ranking.
- 3
R
RiteTag ✓ CompliantHashtag suggestions based on their visibility, by RiteKit.
Price : RiteTag $49/year (1,000 queries/month); 7-day trial [Source, 2026-10-22], 0 verified reviews - provisional ranking.
- 4
P
Predis.ai ✓ CompliantGenerates posts, carousels and short videos with AI.
Price : From $19/month billed annually ($230/year, Core plan); 3-day free trial [Source, 2026-10-16], 0 verified reviews - provisional ranking.
- 5
O
Ocoya ✓ CompliantSocial media management with AI: post writing, visuals and scheduling.
Price : From $29/month; 7-day free trial [Source, 2026-10-22], 0 verified reviews - provisional ranking.
16 relevant tools for this use case, 5 ranked (provisional), 9 general AI, 2 specialised, 4 with a free plan
General-purpose AI: how to use them here 9
Write several caption versions in your tone, find a first line that makes people read on, suggest niche hashtags to check afterwards in a dedicated tool.
Here are 3 Instagram captions that worked well for me: [paste]. Analyse my tone. Then write 3 captions in that tone for this post: [topic, format]. Each one ends with a question or a call to save. Add 10 niche hashtags tied to the topic.
ChatGPT
✓ CompliantAll-rounder: writing, web search, image generation, custom GPTs, file analysis.
For this use case : Ask for 10 different first lines and keep the best one.
Prompt for ChatGPT
Here are 3 Instagram captions that worked well for me: [paste]. Analyse my tone. Then write 3 captions in that tone for this post: [topic, format]. Each one ends with a question or a call to save. Add 10 niche hashtags tied to the topic.
Claude
✓ CompliantStrong at nuanced long-form writing, document analysis, artifacts (mini pages, HTML tools) and MCP connectors to drive other tools.
For this use case : Keep your best captions in a Claude Project so it picks up your tone.
Prompt for Claude
Here are 3 Instagram captions that worked well for me: [paste]. Analyse my tone. Then write 3 captions in that tone for this post: [topic, format]. Each one ends with a question or a call to save. Add 10 niche hashtags tied to the topic.
Gemini
✓ CompliantBuilt into Google (Docs, Gmail, YouTube); accepts videos and YouTube links to analyse them.
Prompt for Gemini
[Attach your video, file or paste the YouTube link if relevant.] Here are 3 Instagram captions that worked well for me: [paste]. Analyse my tone. Then write 3 captions in that tone for this post: [topic, format]. Each one ends with a question or a call to save. Add 10 niche hashtags tied to the topic.
Grok
✓ CompliantReal-time access to X posts: ideal to spot trends and conversations.
Prompt for Grok
Based on recent X posts in my niche: Here are 3 Instagram captions that worked well for me: [paste]. Analyse my tone. Then write 3 captions in that tone for this post: [topic, format]. Each one ends with a question or a call to save. Add 10 niche hashtags tied to the topic.
Perplexity
✓ CompliantWeb research with cited sources: ideal to fact-check and study a market.
Prompt for Perplexity
Research with cited sources, then: Here are 3 Instagram captions that worked well for me: [paste]. Analyse my tone. Then write 3 captions in that tone for this post: [topic, format]. Each one ends with a question or a call to save. Add 10 niche hashtags tied to the topic.
Microsoft Copilot
✓ CompliantBuilt into Windows, Edge and Microsoft 365 (Word, Excel, PowerPoint depending on plan).
Prompt for Microsoft Copilot
Here are 3 Instagram captions that worked well for me: [paste]. Analyse my tone. Then write 3 captions in that tone for this post: [topic, format]. Each one ends with a question or a call to save. Add 10 niche hashtags tied to the topic.
Mistral Le Chat
✓ CompliantMistral AI's French assistant, fluent in French, with web search.
Prompt for Mistral Le Chat
Here are 3 Instagram captions that worked well for me: [paste]. Analyse my tone. Then write 3 captions in that tone for this post: [topic, format]. Each one ends with a question or a call to save. Add 10 niche hashtags tied to the topic.
DeepSeek
✓ CompliantFree, solid reasoning; avoid for sensitive client data.
Prompt for DeepSeek
Here are 3 Instagram captions that worked well for me: [paste]. Analyse my tone. Then write 3 captions in that tone for this post: [topic, format]. Each one ends with a question or a call to save. Add 10 niche hashtags tied to the topic.
Meta AI
✓ CompliantRight inside Instagram, WhatsApp and Messenger, no app switching.
For this use case : Available inside Instagram: handy to tweak a caption on mobile.
Prompt for Meta AI
Here are 3 Instagram captions that worked well for me: [paste]. Analyse my tone. Then write 3 captions in that tone for this post: [topic, format]. Each one ends with a question or a call to save. Add 10 niche hashtags tied to the topic.
Specialised tools 2
Unranked, alphabetical. They will enter the ranking with verified reviews.
Best-Hashtags
Instagram & schedulingFinds popular hashtags by keyword for Instagram and TikTok.
Inflact
Instagram & schedulingInstagram influencer search and account analysis tools.
Free options 4
Budget picks
MA Meta AI
Free (Meta service)
R RiteTag
RiteTag $49/year (1,000 queries/month); 7-day trial
F Flick
Solo £11/month billed annually; Pro £24/month billed annually; Agency £55/month billed annually; 7-day trial
Ready-to-use prompt
Here is my Instagram post: [topic, format, visual]. My audience: [audience]. Write 3 captions (short, story, list), each with a first line that makes people read on and a call to comment or save. Then suggest 10 niche hashtags tied to the topic, with no generic hashtags.
ToS pitfalls
- Avoid hashtags unrelated to your post: Instagram can reduce the reach of content that abuses them.
- No caption or hashtag tool should post, like or comment on your behalf.
- Buying followers or likes goes against Instagram's Community Guidelines.
FAQ
What is the best AI tool for instagram captions and hashtags?
There are no verified reviews yet, so this ranking is provisional (editorial order). Current shortlist: Flick, Display Purposes, RiteTag, Predis.ai, Ocoya. See the methodology for how reviews will rank them.
Is there a free option?
Our free pick is Meta AI (Free (Meta service)).
Which tools break Instagram/LinkedIn rules for this use case?
Avoid hashtags unrelated to your post: Instagram can reduce the reach of content that abuses them. No caption or hashtag tool should post, like or comment on your behalf. Buying followers or likes goes against Instagram's Community Guidelines.
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