Comparison

Sketch Viewer UP vs LinkMap

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

Head to head
About

Sketch Viewer UP

This application allows users to import and view 3D models from various professional design software. It supports a wide range of file formats, making it convenient for designers, engineers, and students to access and analyze 3D drawings on their mobile devices.

Highlights
  • Import and view 3D drawings
  • Supports multiple professional 3D file formats
  • Collection of standard industry libraries
  • Mobile 3D viewing software
  • Professional CAD drawing and modeling
Features
Read full description

Sketch Up is a professional browsing software for 3D models 1. Professional software for designers, artists, scholars, students, teachers, engineering drafters, and engineers 2. A complete collection of standard libraries in various industries 3. Support importing and viewing 3D drawings, fast and convenient. 4. Multiple format support, including SolidWorks, ProE/Creo, sview, CATIA, Fbx, Ifc, Inventor, JT, Parasolid, PDMS, Rhino, U3D, UG, CGR, maya, LightWave mainstream format software, analysis and browsing dae, max , 3ds, obj, ABC, FBX, DAE, OBJ, BVH, DXF, PSK, STL, PLY, X3D, JCD, svp. At the same time, SU Sketch Master supports mobile phone 3D viewing software, providing SU, skp, Sketch Up, sketch, 3d model, 3D modeling, 3D, drawings, CAD, DWG, ability to view drawings. Professional CAD drawing and modeling! Privacy Policy: https://kdocs.cn/l/coraO45x7Hrz User Agreement: https://kdocs.cn/l/ciYVcrmHDELu

About

LinkMap

Features
Read full description

LinkMap Organize field work with maps and documents. Plan your project on a map. Add markers for locations. Attach details to each marker. Everything saves in one portable file. When ready, switch to Deploy Mode. Take your plan to the field. Update records, check off tasks, and log notes in real time. All changes sync to your map instantly. Use it for community outreach, research trips, site inspections, or any project that needs location-based planning and live updates. Key Features: • Create projects as portable .linkmap files • Place and manage markers on a full interactive map • Attach notes, tasks, and details to any location • Activate Deploy Mode for live, on-site editing • Share your project file with teammates • No subscription required for core features Download LinkMap. Turn your map into an actionable plan, and your plan into on-the-ground action.

Screenshots

Sketch Viewer UP4 screens
LinkMap4 screens

Verdict

The call

The clearest difference is in-app purchases: LinkMap at none against Sketch Viewer UP's 3. Sketch Viewer UP's advantage is update cadence (every 9 days vs every 3 months) and iOS requirement (13.0 vs 18.0). 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. Sketch Viewer UP sells 3 one-off in-app purchases. LinkMap asks for nothing beyond the download.

UpkeepUpdate frequency

Sketch Viewer UP ships an update every 9 days, LinkMap every 3 months. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.

Scorecard3 real differences · 7 level
Sketch Viewer UP versus LinkMap: the parameters behind the verdict, then further details
ParameterSketch Viewer UPLinkMap
PriceFreeFree
Rating1.6 (10 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings10 — better—
Update frequencyEvery 9 days — betterEvery 3 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better18.0
Further details — not scored
Size40 MB17 MB
Age rating17+4+
Developer骁宇 陈玉荣 胡

In-app purchases

3 purchases

Sketch Viewer UP

One-time3
  • 一季度会员$9.99
  • 一年会员$24.99
  • 永久会员$29.99
None

LinkMap

No in-app purchases

Questions

Is Sketch Viewer UP free?
Sketch Viewer UP is free to download, with in-app purchases available.
Is LinkMap free?
LinkMap is free to download, with no in-app purchases.
Do Sketch Viewer UP or LinkMap have ads?
Neither Sketch Viewer UP nor LinkMap shows ads.
Which is updated more often, Sketch Viewer UP or LinkMap?
Sketch Viewer UP ships an update every 9 days, and LinkMap every 3 months. Most recently, Sketch Viewer UP was updated on October 5, 2026 and LinkMap on October 11, 2026.

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