Comparison

QuakeSafe Dam vs Viewra 3D

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

Head to head
About

QuakeSafe Dam

This app offers real-time monitoring of California dams and assesses their earthquake vulnerability. It provides engineers, residents, and safety planners with accurate data on seismic events and dam conditions to ensure preparedness.

Highlights
  • Interactive map of dams and seismic events
  • Detailed dam profiles
  • Seismic impact assessments
  • Customizable alerts
  • Reliable data sources (USGS, NID)
Features
Read full description

QuakeSafe Dam provides real-time monitoring for California’s dams and assesses their vulnerability to earthquakes. Designed for engineers, residents, and safety planners, QuakeSafe Dam delivers accurate and actionable information to help you stay informed and prepared. Key Features: Interactive Map: Explore California’s dams and nearby seismic events on an easy-to-navigate map. Detailed Dam Profiles: Access critical dam details, including hazard classifications, structural data, and operational status. Seismic Impact Assessments: Analyze earthquake magnitudes and impacts on nearby dams using real-time data. Customizable Alerts: Stay updated with personalized notifications for seismic activity and safety updates. Reliable Data Sources: Powered by the USGS Seismic API and the National Inventory of Dams (NID), the app provides trusted, up-to-date information. Why Choose QuakeSafe Dam? QuakeSafe Dam is focused exclusively on California, offering insights tailored to the state’s unique geography and seismic activity. Whether you’re monitoring safety or exploring dam infrastructure, QuakeSafe Dam provides a comprehensive solution. Supported Devices: Optimized for iPhone devices, including 6.5" and 6.9" displays. Stay Safe, Stay Informed: Download QuakeSafe Dam today to track California’s dams and earthquake impacts in real-time.

About

Viewra 3D

Features
Read full description

Viewra 3D is a local-first 3D model viewer designed for private and smooth file viewing. No account registration or cloud upload required. Supports a wide range of 3D and CAD/BIM formats, including 3DM, 3DS, 3MF, AMF, BIM, BREP, DAE, FBX, FCStd, GLTF, IFC, IGES, STEP, STL, OBJ, OFF, PLY, and WRL. * Model Tree Show or hide model nodes by hierarchy to focus on specific structures and parts. * Section View Inspect internal structures and hidden components with interactive sectioning. * Exploded View Separate assembly components for a clearer understanding of part relationships. * Screenshot Export Capture the current view and export high-resolution images for sharing or documentation. * Multi-Format Export Export models to STL, PLY, GLB, OFF, 3DM, BIM, and other 3D formats for easier collaboration and data exchange. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

QuakeSafe Dam4 screens
Viewra 3D4 screens

Verdict

The call

The clearest difference is in-app purchases: QuakeSafe Dam at none against Viewra 3D's 3. Viewra 3D's advantage is device support (3 vs 1). On price, ads and 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

Both are free to download. Viewra 3D sells 3 in-app purchases, starting at $2.99 per month. QuakeSafe Dam asks for nothing beyond the download.

Scorecard2 real differences · 8 level
QuakeSafe Dam versus Viewra 3D: the parameters behind the verdict, then further details
ParameterQuakeSafe DamViewra 3D
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequency—Every 4 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhoneiPhone, iPad, Mac — better
Requires iOS18.2 — better18.6
Further details — not scored
Size65 MB152 MB
Age rating4+4+
DeveloperJohn NguyenShenzhen Seize Times E-Commerce Co., Ltd.

In-app purchases

None

QuakeSafe Dam

No in-app purchases

3 purchases

Viewra 3D

Subscriptions2
  • Viewra 3D Pro (1 Month)$2.991 Month
  • Viewra 3D Pro (1 Year)$29.991 Year
One-time1
  • Viewra 3D Pro (Lifetime)$79.99

Questions

Is QuakeSafe Dam free?
QuakeSafe Dam is free to download, with no in-app purchases.
Is Viewra 3D free?
Viewra 3D is free to download, with in-app purchases available.
Do QuakeSafe Dam or Viewra 3D have ads?
Neither QuakeSafe Dam nor Viewra 3D shows ads.

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