Who is PromptPerfect?
PromptPerfect is an inline prompt-rewriter from Jina AI. You paste a prompt, hit a button, and it returns a polished rewrite. It is fast and one-click, but it does not tell you what was wrong with the original — only what it changed.
Side-by-side comparison
| Axis | FixMyPrompt | PromptPerfect | Winner |
|---|---|---|---|
| Output format | 0–100 score + 7-axis weak-spot report + rewrite | Rewritten prompt only | FixMyPrompt |
| Explains why | Yes — every issue tagged critical/major/minor with a fix | No — black-box rewrite | FixMyPrompt |
| Image prompt support | Yes — Midjourney/DALL-E/Flux composition rubric | Text only | FixMyPrompt |
| Free tier | 3 free QA reports/day, no signup | Free trial, paid after | FixMyPrompt |
| Pricing | Pay-as-you-go from $2.99 — no subscription | Subscription-based | FixMyPrompt |
| Multi-model rubric | Yes — model-agnostic 7-axis scoring | Optimized per model preset | Tie |
| Inline browser extension | Yes — ChatGPT/Claude/Gemini/Perplexity/Grok | Web app only | FixMyPrompt |
| Speed | 5–10s for scored report | 2–4s for rewrite | Them |
When PromptPerfect wins
- You want the fastest possible rewrite and don't care why it improved.
- You're already in Jina's stack and want consistency.
- You prefer subscriptions over pay-as-you-go.
When FixMyPrompt wins
- You want to learn what makes prompts work, not just get a rewrite.
- You need image-prompt QA for Midjourney/DALL-E/Flux.
- You want pay-as-you-go pricing instead of a subscription.
- You're shipping prompts into production and need a documented rationale.
Bottom line
Choose PromptPerfect if you want a quick rewrite and don't care why it is better. Choose FixMyPrompt if you want a scored report that teaches you what makes prompts work — and a rewrite you can verify line by line.
FAQ
Is FixMyPrompt cheaper than PromptPerfect?
FixMyPrompt is pay-as-you-go from $2.99 with no subscription — credits never expire. PromptPerfect uses subscription pricing. For light users, FixMyPrompt is significantly cheaper.
Can FixMyPrompt fix image prompts like PromptPerfect?
Yes, and with a dedicated image-prompt rubric (composition, lighting, medium, lens, technical specs) that PromptPerfect does not have.
3 free QA reports per day. No signup. No subscription.