PromptHero vs PromptsGenii

Two fact sheets from our own research, side by side — pricing, platforms, API access and status re-checked by us rather than quoted from the vendors.

The short answer

Entry price: PromptHero from $16/mo, PromptsGenii from $49 once — different billing units, so no direct winner
Free plan: Only PromptHero (PromptsGenii has paid plans only)
Best fit: PromptHero: Studying working prompt-plus-output pairs for a specific model before spending credits anywhere · PromptsGenii: Reverse-engineering a prompt from a reference image
Platforms: PromptHero: Web · PromptsGenii: Chrome extension, Web
Trust score: About even — PromptHero 85, PromptsGenii 81

From our own records as of each tool's last check. Anything we have not confirmed is left out rather than guessed. How we verify

PromptHeroSearchable library of community prompts for Midjourney, Stable Diffusion, FLUX and other image and video models

PromptsGeniiBrowser extension that builds image prompts from reference pictures and 15+ categories of visual filters.

Side by side

Fact	PromptHero	PromptsGenii
Category	Prompt Engineering & Libraries	Prompt Engineering & Libraries
Pricing model	Freemium	Paid
Starts at	$16/mo	$49 once
Trust score	85 / 100	81 / 100
Platforms	Web	Chrome extension, Web
Company	ElevenYellow	MagicMakersLab
Last verified	Oct 15, 2026	Oct 15, 2026

What our research says

PromptHero

The most useful part is the archive: seeing real prompts beside their outputs beats guessing syntax from scratch. Generation credits and course upsells are newer additions, and everything you make on the free plan stays public.

Pros

Large prompt archive organized by model, style and category, video models included
Transparent plans page that spells out credits, speed tiers and visibility rules
Credits can be bought without a subscription and never expire
Free browsing makes it useful even if you never generate on-site

Cons

Free and credit-only generations are always public and more strictly moderated
No API, so nothing here can be automated
Site aggressively blocks non-browser access, which also breaks link previews and scrapers

PromptsGenii

The pitch is that picking a style from a visual list beats remembering prompt vocabulary, and the image-to-prompt step is the genuinely useful part - reverse-engineering a reference you already like. A one-time $49 licence with no recurring fee is unusual and worth something. The risk is the flip side of lifetime pricing: no recurring revenue means no guarantee anyone keeps it current.

Pros

Converts an uploaded image into a starting text prompt
More than fifteen filter categories - artists, architecture, styles - to layer onto a prompt
Refines prompts through OpenAI or Gemini, so you are not tied to one model's phrasing
One-time licence with no recurring charge, and seat packs for teams
Public roadmap and changelog show what is being worked on

Cons

Chrome and Edge only - no Safari, Firefox or standalone app
Lifetime pricing means future updates depend entirely on the vendor's goodwill
MagicMakersLab publishes no country, address or team
$49 up front with no free tier visible to test the filters first

Which one fits

Choose PromptHero if you need

Studying working prompt-plus-output pairs for a specific model before spending credits anywhere
Learning model-specific prompt syntax across image and video generators
Creators who want one browser tool to generate across many models

Choose PromptsGenii if you need

Reverse-engineering a prompt from a reference image
People who prefer picking styles from a list over writing prompt text
Small teams sharing seats through the built-in licence manager