Comparison

Froggy Flex vs LLM Master

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

Head to head
About

Froggy Flex

Features
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Froggy Flex teaches CSS Flexbox through 24 interactive puzzles. Write real flex styles in an in-app editor to guide colorful frogs onto their lilypads — no setup, no browser, just hands-on layout practice on your phone. Perfect for students learning web layout, bootcamp grads brushing up, and working developers who want a quick flex refresher on the go. Features • 24 progressively harder levels covering justify-content, align-items, flex-direction, flex-wrap, order, flex-grow, align-self, and more • Live code editor with instant visual feedback • Plain-English explanations for every property • Offline — works anywhere, no account required • Clean, distraction-free interface

About

LLM Master

Features
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Master LLM Agent engineering from zero to production engineer level. •112 lessons · ~1.5M characters in-depth content Onboarding → LLM Foundation → Agent Engineering → RAG → Production → Frameworks → ERP/ABAP applied → Advanced → Extended tracks (Python, FastAPI, LangGraph, Vector DB, MCP, Multimodal, Deployment, hands-on projects). •Zero-hallucination principle Every factual claim is backed by verified official documentation, listed as sources. No speculation, no unverified info. •AI Tutor (Claude-powered) 1:1 Q&A grounded in lesson context. Drag any passage in the body and ask about that specific part — auto-quoted in the question. •Learning tools • 5-question applied quizzes (not rote memorization — application/judgment/scenarios) • Bookmarks across lessons with unified view • Font size & Korean TTS (Web Speech API) • Home-screen Quick Actions (resume / bookmarks / AI tutor) •For LLM Agent / AI Engineer interview prep, ML engineer transitioners, AI product developers, RAG/Agent system builders. •Topics Prompt Engineering, Tool Use, Structured Outputs, Context Windows, ReAct, Reflexion, Planning, Memory, MCP, RAG (Chunking, Advanced patterns, Eval, Vector DB internals), Eval, Guardrails, Observability, Cost Optimization, Prompt Injection, Multi-agent Orchestration, Long-context, Sandboxed Code Execution, LangChain/LangGraph, AutoGen, CrewAI, LlamaIndex, MCP Server, Computer Use, ABAP/SAP, Fine-tuning vs RAG, Distillation/Quantization, Eval Datasets, Multi-tenant, Python/FastAPI, pgvector/Qdrant/Pinecone, Vision, Speech (STT/TTS/Realtime), Image Generation, 2026 Frontier. •Payment A one-time app purchase ($29.99) unlocks 112 lessons, 112 quizzes, bookmarks, Quick Actions, TTS, and all future content updates — forever. The Anthropic Claude-powered AI tutor includes 10 free messages every month; top up via consumable packs (Mini 200 messages · 60 days / Standard 500 messages · 90 days / Power 1,500 messages · 180 days). No subscription, no auto-renewal. Privacy policy: https://www.resonance-space.net/llmstudy-privacy-en.html

Screenshots

Froggy Flex4 screens
LLM Master4 screens

Verdict

The call

The clearest difference is price: Froggy Flex at $9.99 against LLM Master's $22.99. Froggy Flex also leads on in-app purchases (none vs 4). LLM Master's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 5 months). On iOS requirement there is nothing between them.

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

Froggy Flex costs $9.99 and LLM Master $22.99 up front. LLM Master sells 4 one-off in-app purchases. Froggy Flex asks for nothing beyond the download.

UpkeepUpdate frequency

Froggy Flex ships an update every 5 months, LLM Master every 3 weeks. The most recent releases landed on September 18, 2026 and September 14, 2026 respectively.

Scorecard5 real differences · 1 level
Froggy Flex versus LLM Master: the parameters behind the verdict, then further details
ParameterFroggy FlexLLM Master
Price$9.99 — better$22.99
Update frequencyEvery 5 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesNo — betterYes
DevicesiPhone, iPodiPhone, iPad, iPod, Mac — better
Requires iOS15.115.0 — better
Further details — not scored
Size42 MB6 MB
Age rating4+4+
DeveloperMoruk LLCResonance Space

In-app purchases

None

Froggy Flex

No in-app purchases

4 purchases

LLM Master

One-time4
  • Code Deep DiveFree
  • Tutor Mini Pack$2.99
  • Tutor Standard Pack$5.99
Show 1 more
  • Tutor Power Pack$17.99

Questions

Is Froggy Flex free?
Froggy Flex costs $9.99, with no in-app purchases.
Is LLM Master free?
LLM Master costs $22.99, and also offers in-app purchases.
Do Froggy Flex or LLM Master have ads?
Froggy Flex shows ads; LLM Master does not.
Which is updated more often, Froggy Flex or LLM Master?
Froggy Flex ships an update every 5 months, and LLM Master every 3 weeks. Most recently, Froggy Flex was updated on September 18, 2026 and LLM Master on September 14, 2026.

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