Comparison

STL Viewer vs Chart Maker Bar Line Pie Graph

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
Read full description

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

Chart Maker Bar Line Pie Graph

Features
Read full description

Need a bar chart, line graph, or pie chart in minutes? Enter your data, pick a style, and export a polished image—no account required. Building reports, slides, or study visuals? Create bar, line, pie, scatter, and area charts, import JSON or CSV, customize colors and themes, save templates, and export share-ready images—all offline on your device. • Multiple chart types: bar, line, pie, scatter, area • Visual editor: data, style, legend, and theme controls • Import JSON/CSV or use sample datasets • Template library for quick starts • My Charts: search, copy, batch manage • Export high-quality images and share • Offline-first: data stays on your device Perfect for students, teachers, small teams, and anyone who wants simple data visuals without spreadsheets.

Screenshots

STL Viewer3 screens
Chart Maker Bar Line Pie Graph4 screens

Verdict

The call

The clearest difference is price: STL Viewer at Free against Chart Maker Bar Line Pie Graph's $1.99. Chart Maker Bar Line Pie Graph's advantage is update cadence (weekly vs every 43 months) and iOS requirement (13.0 vs 17.0). On ads, in-app purchases 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

STL Viewer is free to download; Chart Maker Bar Line Pie Graph costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

STL Viewer ships an update every 43 months, Chart Maker Bar Line Pie Graph weekly. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.

Scorecard3 real differences · 3 level
STL Viewer versus Chart Maker Bar Line Pie Graph: the parameters behind the verdict, then further details
ParameterSTL ViewerChart Maker Bar Line Pie Graph
PriceFree — better$1.99
Update frequencyEvery 43 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.013.0 — better
Further details — not scored
Size4 MB24 MB
Age rating4+4+
DeveloperFelipe Marques de BarrosXiamen City Fanyou Network Technology Co., Ltd.

In-app purchases

None

STL Viewer

No in-app purchases

None

Chart Maker Bar Line Pie Graph

No in-app purchases

Questions

Is STL Viewer free?
STL Viewer is free to download, with no in-app purchases.
Is Chart Maker Bar Line Pie Graph free?
Chart Maker Bar Line Pie Graph costs $1.99, with no in-app purchases.
Do STL Viewer or Chart Maker Bar Line Pie Graph have ads?
Neither STL Viewer nor Chart Maker Bar Line Pie Graph shows ads.
Which is updated more often, STL Viewer or Chart Maker Bar Line Pie Graph?
STL Viewer ships an update every 43 months, and Chart Maker Bar Line Pie Graph weekly. Most recently, STL Viewer was updated on October 8, 2026 and Chart Maker Bar Line Pie Graph on October 12, 2026.

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