Comparison

Prompt Designer vs MelMat

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Prompt Designer

This app provides a structured way to create, refine, save, and test AI prompts. It helps users generate better AI output by guiding them through prompt construction and offering features like prompt conversion and variable storage. Users can also test APIs and webhooks directly from the application.

Highlights
  • Create structured AI prompts
  • Use ready-made prompt templates
  • Convert rough prompts to polished structures
  • Save and reuse custom templates
  • Share prompts with others
  • Store reusable variables
  • Test APIs and webhooks
Features
Read full description

Prompt Designer helps you create, refine, save, share, and test high-quality AI prompts from your phone. Whether you're writing content, building workflows, testing integrations, or turning rough ideas into polished prompts, Prompt Designer gives you a structured way to work faster and get better AI output. Create better prompts with less guesswork Build prompts using guided fields for role, goal, input, output format, tone, and additional instructions. Start from scratch or use ready-made templates for common use cases. Convert rough ideas into structured prompts Use Prompt Converter to turn simple or messy prompt ideas into cleaner, reusable prompt templates. Great for improving consistency and speeding up your workflow. Save, reuse, and share your best prompts Create your own prompt templates, save them locally, and share prompts with others when you want to collaborate or reuse winning workflows across devices and teams. Store variables once Save API keys, tokens, and frequently used values as User Variables, then insert them into prompts and request templates without repetitive copy and paste. Test APIs and webhooks Build and send requests directly from the app using custom headers, body parameters, methods, and saved variables. Useful for developers, builders, and anyone working with AI integrations. Private by default Your templates, saved variables, and prompt data stay on your device unless you choose to share them. No account required. What you can do with Prompt Designer Build structured AI prompts Use ready-made prompt templates Convert rough prompts into polished prompt structures Save and reuse custom templates Share prompts with others Store tokens and reusable variables Test APIs and webhooks Export and import local data Work without creating an account Great for Anyone who wants better results from AI tools People who struggle to write clear prompts AI power users and prompt engineers Developers and builders testing workflows Marketers, writers, and content creators Founders, operators, and teams using AI at work

About

MelMat

Features
Read full description

You can't afford to be wrong. MelMat makes sure you aren't guessing. Ask any question and MelMat runs four leading AI research engines on it at once — then synthesizes their answers into a single, structured brief: a clear summary, the key findings, the points where the engines agree, and the contradictions most tools quietly bury. Because the real risk isn't a wrong answer. It's a confident wrong answer. MelMat scores how strongly the engines agree and surfaces exactly where they diverge — so you know how much weight a finding can bear before you act on it. Built for people who are accountable for being right: in healthcare, law, finance, real estate, consulting, and beyond. WHAT YOU GET - Four research engines on every query — never a single point of failure - Structured briefs: summary, findings, points of consensus, contradictions, what to do next - A consensus score so you know how strong the signal really is - Grounded against authoritative public data sources, not just model memory - M² Chat — ask MelMat anything, conversationally, anytime - Dig Deeper — interrogate any brief: "show me where they disagreed," "what's the weakest claim," and more - Download or email any brief as a polished PDF MelMat is a multi-model synthesis platform. The engines are the inputs. The synthesis — the judgment about what to trust — is the product. Patent Pending.

Screenshots

MelMat4 screens

Verdict

The call

Prompt Designer and MelMat are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ScorecardNo meaningful differences
Prompt Designer versus MelMat: the parameters behind the verdict, then further details
ParameterPrompt DesignerMelMat
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 months—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.115.1
Further details — not scored
Size34 MB31 MB
Age rating4+4+
DeveloperMuhammad Zeeshan HussainVanja Todorovic

In-app purchases

None

Prompt Designer

No in-app purchases

None

MelMat

No in-app purchases

Questions

Is Prompt Designer free?
Prompt Designer is free to download, with no in-app purchases.
Is MelMat free?
MelMat is free to download, with no in-app purchases.
Do Prompt Designer or MelMat have ads?
Neither Prompt Designer nor MelMat shows ads.

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