Comparison

[3D] Preview vs Fileso

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

Head to head
About

[3D] Preview

View and interact with 3D models and animations on your iPhone and iPad. Supports various file formats and offers advanced debugging tools for troubleshooting scenes. Enjoy smooth performance with HDR and Metal 2 optimization.

Highlights
  • Display complex 3D objects and scenes
  • High frame rate viewing (up to 120 FPS)
  • Free-moving camera with touch controls
  • Scene graph visualization
  • Debug settings for troubleshooting
  • HDR and wide color display support
  • Metal Shading Language support
Features
Read full description

Display 3D objects, scenes, and animations on your iPhone and iPad. The document-based user interface for opening documents is beautiful and easy to use. You can access files that are stored locally, on iCloud Drive, and other cloud storage services. Key features: • Display simple or complex 3D objects and scenes on your iOS device • View your content with up to 120 FPS on devices with ProMotion display (otherwise in 60 FPS) • Choose your point of view by using the free moving camera with touch controls • Display the scene graph of your scene to see what objects are present (grouped by their categories and parent-child relationships) • Choose from various debug settings to help trouble shoot your scene (e.g., display wireframes, bones, cameras) • Color accurate presentation of your content with support of HDR on devices with wide color displays • Support for vertex and fragment shaders written in the Metal Shading Language • Extremely fast as the app is based on Metal 2 and uses heavily multi-threading for various tasks • Native iOS app, which is entirely written in Swift 5 Supported document types: • SceneKit (.scn) • Alembic (.abc) • Universal Scene Description (.usd, .usda, .usdc) • Universal Scene Description Mobile (.usdz) • Polygon (.ply) • Wavefront Object (.obj) • Standard Tessellation Language (.stl)

About

Fileso

This app is a powerful file manager designed for extensive file handling. It allows users to import, preview, compress, extract, edit, and convert a wide range of file types. It also supports various cloud storage and network protocols for seamless file management.

Highlights
  • Import and manage files from various sources
  • Preview a wide array of file formats
  • Edit and annotate PDF documents
  • Video, image, and audio editing tools
  • Unzip and compress archives
  • Support for cloud storage and network protocols
Features
Read full description

Fileso is a file manager built for people who handle files constantly. Import, preview, unzip, compress, edit, and convert files in one app, then manage them through WebDAV, FTP, SMB, S3, NFS, Dropbox, and Wi-Fi transfer. From documents and media to archives, code, eBooks, comics, and 3D assets, Fileso helps you open and process more formats with less friction. ## Import and manage files * Import files or mount folders into the app workspace * Import images and videos from Photos * Batch scan documents with the camera * Upload and download files through a Wi-Fi browser * Manage files stored on WebDAV, FTP, SMB, S3, NFS, and Dropbox * Back up photos to WebDAV, SMB, FTP, S3, or NFS with background uploads * Move, copy, compress, and extract files in the background with progress ## Preview more file types * Images and design assets: common image formats, live photos, HDR, AVIF, WEBP, Sketch, PSD, AI, SVG, SVGA, and Lottie * Video and audio: MP4, MOV, MKV, AVI, WMV, FLV, MP3, WAV, FLAC, APE, and more, with subtitle and audio track selection * Documents: Word, Excel, PowerPoint, Numbers, Keynote, Pages, RTF, CSV, PDF, and CHM * Image viewer: filmstrip, slideshow, and info panel with pinch zoom and drag to dismiss * eBooks and comics: EPUB, MOBI, AZW3, PRC, FB2, and TXT with read aloud (cross-chapter, sleep timer), in-book full-text search and TXT novel chapter detection; CBZ and CBR comics with RTL and webtoon modes * Developer and data files: HTML, XML, JSON, Markdown, Plist, Ruby, JavaScript, Rust, Golang, and more with syntax highlighting * Professional files: fonts, 3D models, SQLite databases, certificates, binary plist, strings, mlmodel, XMind, and CRX * HEX view for large files with byte selection and text/HEX search; large text and log files, text diff, and TGS ## PDF editor * Annotate PDFs with text, highlights, shapes, ink, signatures, and stamps * Reorder, rotate, delete, and import PDF pages with multi-select * Edit the PDF table of contents * Undo/redo, full-text search, reading settings, Apple Pencil, keyboard shortcuts, and blank PDFs * Insert audio recordings and file attachments; copy and paste annotations ## Toolbox * Video: speed change, rotate, mirror, reverse, frame extraction, and audio removal * Images: background removal, privacy data stripping, resize, collage, grid split, GIF conversion, and text recognition (OCR); HEIC editing * Audio: merge, speed change, loudness normalization, and text-to-speech * PDF: split, watermark, page numbers, and password removal * Utilities: QR code generation and scanning, file checksums, text diff, and ZIP create and extract ## Unzip, compress, edit, and convert * Extract ZIP, 7Z, RAR, TAR, GZIP, BZIP2, XZ, Zstandard, LZ4, Brotli, CAB, WIM, SquashFS, DEB, RPM, DMG, ISO, VHDX, QCOW2, VMDK, and more; supports password-protected and multi-volume archives * Create encrypted ZIP archives * Compress images, GIFs, and videos * Edit HTML, XML, JSON, Plist, Ruby, JavaScript, Perl, and other text or code files * Batch rename files with replace, insert, and regular expressions * Convert images, video, audio, text encodings, Markdown, JSON, XML, YAML, SVG, and PDF * Split and merge PDFs, convert live photos, and process MHT, MHTML, TGS, and other utility formats * Convert CAJ, KDH, and NH academic papers to PDF Privacy Policy: https://www.makerneo.com/en/doc/fileso-privacy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

[3D] Preview4 screens
Fileso4 screens

Verdict

The call

The clearest difference is review sentiment: Fileso at 96% against [3D] Preview's 0%. Fileso also leads on price (Free vs $4.99) and rating (4.8 vs 3.0). [3D] Preview's advantage is in-app purchases (none vs 3). On 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

Fileso is free to download; [3D] Preview costs $4.99 up front. Fileso sells 3 in-app purchases, starting at $0.99 per month. [3D] Preview asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Fileso holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: Fileso has 74 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of [3D] Preview's written reviews are positive against 96% of Fileso's.

UpkeepUpdate frequency

[3D] Preview ships an update every 6 weeks, Fileso every 2 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

Scorecard8 real differences · 2 level
[3D] Preview versus Fileso: the parameters behind the verdict, then further details
Parameter[3D] PreviewFileso
Price$4.99Free — better
Rating3.0 (1 ratings)4.8 (74 ratings) — better
Positive reviews0.0% of reviews95.6% of reviews — better
Number of ratings174 — better
Update frequencyEvery 6 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFreemium — better
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS27.017.0 — better
Further details — not scored
Size5 MB140 MB
Age rating4+4+
DeveloperdesignmaticSpace-Time Transformation Technology Co., Ltd.

Customer experience

[3D] Preview

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%
Written reviews4 reviews
Positive0.0%
Neutral25.0%
Negative75.0%

Fileso

All ratings74 ratings
Positive95.9%
Neutral0.0%
Negative4.1%
Written reviews45 reviews
Positive95.6%
Neutral0.0%
Negative4.4%

In-app purchases

None

[3D] Preview

No in-app purchases

3 purchases

Fileso

Subscriptions2
  • Monthly Subscription$0.991 Month
  • Annual Subscription14 Days trial$4.991 Year
One-time1
  • Lifetime Version$9.99

Questions

Is [3D] Preview free?
[3D] Preview costs $4.99, with no in-app purchases.
Is Fileso free?
Fileso is free to download, with in-app purchases available.
Which has better reviews, [3D] Preview or Fileso?
Fileso is rated higher. [3D] Preview averages 3.0 out of 5 from 1 ratings, while Fileso averages 4.8 from 74 ratings.
Do [3D] Preview or Fileso have ads?
Neither [3D] Preview nor Fileso shows ads.
Which is updated more often, [3D] Preview or Fileso?
[3D] Preview ships an update every 6 weeks, and Fileso every 2 weeks. Most recently, [3D] Preview was updated on October 29, 2026 and Fileso on October 30, 2026.

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