Viewer3D vs SwiftConvert
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Viewer3D
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Powerful 3D Visualization. Absolute Privacy. Viewer3D is a high-performance, fully offline tool engineered for professionals, designers, and 3D printing enthusiasts. View, inspect, and interact with your models instantlyβwithout cloud uploads or data privacy concerns. Why Choose Viewer3D? 100% Offline & Secure: Your intellectual property never leaves your device. No internet required, no tracking, and zero data collection. Zero Storage Overhead: Using advanced in-place file access, Viewer3D opens models directly without creating redundant copies, saving your deviceβs storage. Industry-Grade 3MF Support: Fully compatible with multi-color models and plate layouts from popular 3D printing slicers. Immersive AR Experience: Bring your designs into the real world. Visualize models in your physical environment with high-precision Augmented Reality. Key Features: Multi-Color 3MF Management: Seamlessly render multi-part 3MF files. Customize filament colors directly within the app to preview your final print. Intuitive Gesture Control: Optimized spatial navigation with fluid two-finger panning and pinch-to-zoom for precise inspection. Seamless Integration: Open 3D models instantly via the "Share" menu from Files, Mail, or any other app. Supported Formats: Comprehensive support for STL, PLY, OBJ, 3MF, STEP, and 3DM. Whatβs Next? (Our Roadmap): We are constantly evolving! Upcoming features include: β’ Enhanced STEP Support: Read and manage individual parts/assemblies. β’ Professional Tools: Section views, Material settings, and Exploded views. Support & Feature Requests: apple@everver.com
SwiftConvert
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SwiftConvert is your fast, private, on-device file converter. Convert images, audio, video and documents without any cloud upload. FEATURES: - Image Conversion β JPEG, PNG, HEIC, WebP, TIFF, BMP, GIF - Video Conversion β MP4, MOV, AVI, MKV - Audio Conversion β MP3, AAC, WAV, FLAC, M4A - Document Conversion β PDF creation from images - Batch Processing β Convert multiple files at once - 100% On-device β Your files never leave your phone All data stored locally. No account required.
Screenshots
Verdict
The clearest difference is price: SwiftConvert at Free against Viewer3D's $0.99. SwiftConvert also leads on update cadence (every 6 days vs every 3 months). Viewer3D's advantage is ads (none vs shown) and device support (3 vs 1). On in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
SwiftConvert is free to download; Viewer3D costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Viewer3D ships an update every 3 months, SwiftConvert every 6 days. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.
| Parameter | Viewer3D | SwiftConvert |
|---|---|---|
| Price | $0.99 | Free β better |
| Update frequency | Every 3 months | Every 6 days β better |
| Ads | No β better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod β better | iPhone |
| Requires iOS | 15.0 β better | 17.0 |
| Further details β not scored | ||
| Size | 24 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | εδΊ¬η§€ι«η§ζζιε ¬εΈ | Sui Fai Law |
In-app purchases
Viewer3D
No in-app purchases
SwiftConvert
No in-app purchases









