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Newv1.9.7 — 20 agents, fully on-device →
MetaPromptLab app icon
BUILT WITH APPLE INTELLIGENCE

Turn one sentence into a production prompt.

Twenty specialised agents do the work. Analyse, engineer, assemble — entirely on-device, in under two minutes.

100% on-device·5 phases·iOS 26+
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EXPORT TO →
ChatGPT·Claude·Gemini·Copilot·Midjourney·Grok·ChatGPT·Claude·Gemini·Copilot·Midjourney·Grok·ChatGPT·Claude·Gemini·Copilot·Midjourney·Grok·
HOW IT WORKS

Three steps. One tap.

Describe a goal. Watch twenty agents work in real time. Copy a production Prompt Pack.

  • STEP 01~10s

    Describe.

    Type what you want the AI to do — a code reviewer, blog writer, data analyst. One sentence.

    Goal parsed
  • STEP 02~90s

    Watch.

    Twenty specialists analyze, engineer, build, quality-check, and deliver — live timeline.

    20/20 agents complete
  • STEP 03instant

    Copy.

    System prompt, developer rules, few-shot examples, output schema, evaluation criteria. Paste anywhere.

    Prompt Pack ready
Goal·Pipeline·Prompt Pack
PIPELINE

A pipeline of twenty specialists.

Each agent owns a single responsibility. They run on-device, in sequence, with no cloud round-trips.

AGENTS20
PHASES5
RUNTIME~100s
CLOUD0 calls
MetaPromptLab — pipeline
$ mpl run "code reviewer for python"
▸ 20/20 agents complete · 92/100 quality · 13 gates passed
→ system + developer + 4 few-shot examples + schema
01 · ANALYZE4
  • Intent Analysis
  • Entity Extraction
  • Tone Identification
  • Structure Optimization
02 · ENGINEER4
  • Persona Design
  • Context Layering
  • Model Comprehension
  • Few-Shot Injection
03 · BUILD4
  • Constraint Builder
  • Output Schema
  • CoT Architecture
  • Iteration Designer
04 · QUALITY4
  • Coherence Check
  • Redundancy Eliminator
  • Edge Case Handler
  • Accuracy Grounding
05 · DELIVER4
  • Evaluation Criteria
  • Validation Gate
  • Token Budget
  • Final Formatter

Each pipeline run completes in ~100 seconds on iPhone 15 Pro and newer.

iPAD

Designed for iPhone. Polished for iPad.

Pro prompt engineering on the road or at the desk.

MetaPromptLab on iPad
Multi-column vaultShortcut-driven historyOptimised for iOS 26
◆ On-device

Private by design.

Every agent runs locally on your iPhone. Your prompts never leave the device.

ACCOUNTSNone
API KEYSNone
TELEMETRYZero
CLOUDNever

Architectural · not policy

FAQ

Questions, answered.

Everything you need before you tap install.

01COMPATIBILITY

Does MetaPromptLab work offline?

Yes — the entire 20-agent pipeline runs locally via Apple Intelligence. No internet required after install.

02DEVICES

Which iPhones are supported?

iPhone 15 Pro and newer running iOS 26 with Apple Intelligence enabled.

03INTEROP

Which AI models can I paste the output into?

Any. Plain text Prompt Packs work in ChatGPT, Claude, Gemini, Copilot, Midjourney, Grok, and any model accepting structured prompts.

04PRIVACY

Do you collect prompts or telemetry?

No. Zero analytics, zero accounts, zero cloud calls. The privacy commitment is architectural — there is no server to send data to.

05OUTPUT

What's in a Prompt Pack?

System prompt, developer instructions, operating rules, 3-5 few-shot examples, output schema, evaluation criteria, and a token budget recommendation.

06PRICING

What does Pro add over Free?

Unlimited daily runs, all 20 specialist agents, JSON/Markdown export, Vault access, and priority processing. Choose Monthly £4.99, Yearly £29.99 (50% off, 3-day trial) or one-time Lifetime £59.99.

Still curious? → Contact support

PRICING

Pick the plan that fits.

Start free with 8 of 20 specialists and 5 runs a day. Upgrade Monthly, Yearly (50% off) or one-time Lifetime to unlock all 20 specialists, unlimited runs, Vault & export.

FREE
£0
Forever
  • 5 prompts / day
  • 8 of 20 specialists
  • Copy as Prompt Pack
  • On-device · private
  • Export to JSON / Markdown
  • Vault & priority
No card required
MONTHLY
£4.99/ mo
Billed monthly
  • Unlimited prompts
  • All 20 specialists
  • Export JSON / Markdown
  • Vault & priority
  • Auto-renews monthly
  • Best value lifetime
Cancel anytime
Most popular
YEARLY
£29.99/ yr
≈ £2.50 / month · save 50%
  • Everything in Monthly
  • Save 50% vs monthly
  • Vault & priority
  • Export JSON / Markdown
  • 3-day free trial
  • One-time lifetime
Renews yearly · cancel anytime
Best value
LIFETIME
£59.99once
Pay once · own forever
  • Everything in Yearly
  • All future updates
  • Pay once — no renewals
  • Vault & priority forever
  • Export JSON / Markdown
  • Best for power users
No renewals · no subscription
Billed via Apple·Cancel in App Store·VAT included·No card on free

Build smarter prompts today.

Made for Apple Intelligence·iOS 26+·UK studio

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