Comparison

STL Viewer vs Exam Study Planner

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

Head to head
About

STL Viewer

Features
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STL Viewer transforma seu iPhone ou iPad em uma estação profissional de inspeção de modelos 3D. Abra arquivos STL binários ou ASCII e analise a geometria com uma experiência Metal fluida, criada para engenharia, impressão 3D, prototipagem, educação e revisão técnica. VISUALIZAÇÃO PROFISSIONAL • Rotação, deslocamento e zoom multitoque • Vistas isométrica, frontal, traseira, lateral, superior e inferior • Modos sólido, wireframe, sólido + wireframe, X-Ray e orientação de normais • Materiais profissionais e ambientes de alto contraste INSPEÇÃO E MEDIÇÃO • Medição precisa entre pontos selecionados diretamente na superfície • Plano de corte interativo nos eixos X, Y e Z • Dimensões gerais, área superficial e volume • Contagem de triângulos e vértices únicos • Unidades STL atribuídas pelo usuário, sem suposições silenciosas SAÚDE DA MALHA • Diagnóstico de malha fechada • Detecção de arestas abertas e não manifold • Identificação de faces degeneradas • Classificação visual da integridade do modelo RELATÓRIOS STUDIO • Relatório técnico em PDF gerado no próprio aparelho • Campos de projeto, empresa e responsável • Resumo de geometria e saúde da malha pronto para compartilhar PRIVACIDADE LOCAL-FIRST Seus modelos são processados localmente. A geometria não é enviada para nossos servidores. O plano gratuito permite abrir, navegar e visualizar arquivos STL. Pro libera inspeção e medição avançadas. Studio adiciona relatórios técnicos em PDF. Assinaturas podem ser canceladas a qualquer momento nos ajustes da App Store. by Transfer.med.br

About

Exam Study Planner

Enhance concentration and study efficiency with scientifically-backed binaural beats and ambient soundscapes. This app offers tools like a Pomodoro timer and custom sound presets to help students focus during study sessions, homework, and exam preparation. It's designed to reduce mental noise and improve task focus, even for users with ADHD.

Highlights
  • Binaural beats for focus and relaxation
  • Curated ambient soundscapes
  • Pomodoro timer for focused sessions
  • Customizable sound presets
  • Offline functionality
  • ADHD-friendly focus tools
Features
Read full description

Preparing for exams is hard. Deciding how to start shouldn't be. Vitae helps you begin your study sessions with clarity. Get a recommended study session based on your exams, schedule, and goals, then start focusing immediately. YOUR NEXT STUDY SESSION, SIMPLIFIED • Discover your recommended focus session • Prepare for exams with dedicated exam tracking • Plan your study week with a flexible planner • Stay consistent with weekly goals and streaks • Focus with guided sessions, Pomodoro, and ambient sounds • Track your progress across subjects FOCUS SESSIONS BUILT FOR STUDYING Every session combines structure and focus tools: • Guided study sessions • Pomodoro timer • Ambient sounds • Binaural audio • Subject tracking • Exam preparation tools PREPARE BETTER FOR EXAMS Track each exam with: • Days remaining • Study time completed • Remaining workload • Daily study pace needed to reach your goal GO PREMIUM Unlock the full guided session library, unlimited custom sessions, more ambient sounds, premium themes, and advanced statistics. Start your next focused study session today.

Screenshots

STL Viewer3 screens
Exam Study Planner4 screens

Verdict

The call

The clearest difference is in-app purchases: STL Viewer at none against Exam Study Planner's 3. Exam Study Planner's advantage is update cadence (every 5 days vs every 43 months) and iOS requirement (15.1 vs 17.0). On price, ads and device support 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

Both are free to download. Exam Study Planner sells 3 in-app purchases, starting at $3.99 per month. STL Viewer asks for nothing beyond the download.

UpkeepUpdate frequency

STL Viewer ships an update every 43 months, Exam Study Planner every 5 days. Both last shipped on October 8, 2026.

Scorecard3 real differences · 7 level
STL Viewer versus Exam Study Planner: the parameters behind the verdict, then further details
ParameterSTL ViewerExam Study Planner
PriceFreeFree
Rating—5.0 (4 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—4 — better
Update frequencyEvery 43 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.1 — better
Further details — not scored
Size4 MB76 MB
Age rating4+4+
DeveloperFelipe Marques de BarrosAntonin Weissgerber

In-app purchases

None

STL Viewer

No in-app purchases

3 purchases

Exam Study Planner

Subscriptions2
  • Premium: Monthly Access7 Days trial$3.991 Month
  • Premium: Yearly Access7 Days trial$22.991 Year
One-time1
  • Binaural Beats Premium$3.99

Questions

Is STL Viewer free?
STL Viewer is free to download, with no in-app purchases.
Is Exam Study Planner free?
Exam Study Planner is free to download, with in-app purchases available.
Do STL Viewer or Exam Study Planner have ads?
Neither STL Viewer nor Exam Study Planner shows ads.
Which is updated more often, STL Viewer or Exam Study Planner?
STL Viewer ships an update every 43 months, and Exam Study Planner every 5 days. Most recently, STL Viewer was updated on October 8, 2026 and Exam Study Planner on October 8, 2026.

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