Pomodoro Rounds vs OneOpen
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Pomodoro Rounds
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A simple, beautiful pomodoro timer that helps you focus. Start a 25-minute focus session, take a short break, repeat. After four sessions, enjoy a longer break. 100% FREE. NO CATCH. Every feature is included. No subscriptions, no ads, no account, no upsells โ forever. WORKS EVEN WHEN YOUR PHONE IS LOCKED Lock your phone, switch apps, or let the screen sleep โ your timer keeps perfect time, and a gentle chime lets you know when each session ends. MADE TO STAY OUT OF YOUR WAY โข Everything on one screen โ start, pause, skip, reset โข Custom focus and break lengths โข Auto-start breaks and focus sessions (your choice) โข Session dots show your progress toward the long break โข Soft chime and vibration, both optional โข Keep-screen-awake option TRACK WITHOUT GUILT โข Today's pomodoros and focus minutes โข 7-day chart and daily streak โข Skipping or pausing never punishes you PRIVATE BY DESIGN Your data never leaves your phone. No account, no analytics, no tracking. Nothing to sign up for, nothing to cancel. New to the pomodoro technique? Work in focused 25-minute sessions separated by 5-minute breaks; after four sessions, take a longer break. Simple, proven, effective.
OneOpen
View a wide range of file types, including documents, web pages, CAD drawings, and 3D models, directly on your iPhone and iPad. Easily open and manage archives, EPUBs, emails, and certificates. Offers basic viewing for free with advanced features available through a subscription.
- Multi-format file viewing
- HTML and Markdown preview
- CAD and 3D model rotation
- Archive browsing and extraction
- EPUB reader
- Certificate inspection
- File information display
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OneOpen is a multi-format file viewer for iPhone and iPad. Open documents, web pages, CAD drawings, 3D models and archives from Files, Mail and apps that support document sharing. HTML and Markdown Preview HTML, HTM and XHTML pages. Read Markdown / MD notes with headings, a table of contents, tables, code fences, task lists, footnotes and reference links. ZIP websites retain local images, styles and relative resources. Markdown in packages can display supported local images. Ordinary HTML allows restricted HTTPS/WSS networking by default, with offline and Safe Preview options. Markdown does not run scripts or load remote images. CAD drawings and 3D models (Advanced) โข Pan, zoom and toggle layers in supported DWG/DXF 2D model-space drawings. โข Rotate STEP/STP, IGES/IGS, BREP/BRP, STL, OBJ and PLY models, including PLY vertex colors and point clouds. โข ZIP a complete OBJ model folder to load supported MTL materials, PNG/JPEG textures, normals, transparency and groups. A standalone OBJ shows geometry without reading private neighboring files. โข Preview supported static GLB / glTF 2.0 geometry, nodes, basic materials and PNG/JPEG textures. Model ZIPs retain relative resources. JSON and model information have separate views. โข USDZ starts in object view; choose AR when needed. โข Included models and engineering drawings demonstrate supported features. Everyday viewing is free Read PDF, Office/iWork, images, audio/video, JSON, XML, YAML, CSV, code and text. PDF supports continuous reading, zoom, search and page controls that hide while scrolling. Edit supported text in an independent working copy. Archives and EPUB Browse supported ZIP/7Z/RAR/TAR, GZ/BZ2/XZ/Zstandard/LZ4/LZMA/Z, CAB/CPIO/AR/XAR/ISO9660/LHA and TAR combinations. Open/share entries; extract to Files. ZIP/EPUB are free; others need Advanced Access. EPUB follows the declared chapter order, with a table of contents, previous/next controls, current-chapter search and reading settings. Pages stay offline. A chapter error keeps navigation available. DRM, media overlays, annotations and whole-book search are unsupported. Email, certificates and information Decode EML headers, body text, common character encodings and attachment filenames. Open or share readable attachments independently. HTML email becomes text without loading remote content. Decryption, signature verification and TNEF extraction are not provided. Inspect public CER, DER, CRT and PEM certificate subjects, issuers, validity, algorithms, public keys, usages and SHA-256 fingerprints. Certificates are never installed and device trust is not evaluated. File Information includes PDF metadata, image/camera properties, media tracks, text encoding/line counts and archive summaries. Open from other apps Skippable onboarding uses real iOS screenshots to explain More, Edit and favorite ordering in the share sheet. Revisit it in Settings. Categories, Recents and widgets help you return to files. Advanced Access and compatibility An annual membership or a one-time lifetime purchase unlocks the same specialized features. Check format details before purchasing. DWG supports selected 2D model-space content; DXF supports text files. CAD editing, engineering measurement, native SolidWorks and full external references are unsupported. Compressed glTF geometry, skins and active morphs require conversion. Animation is static; advanced materials may be approximate. ZIP complete model folders, or use self-contained GLB for single-file sharing. Supported ZIP AES/ZipCrypto, 7z AES and RAR4/5 AES/solid archives can open; multipart, Deflate64, Implode and ARJ are unsupported. Native previews depend on iOS codecs/variants. Privacy No account, ads, analytics or document uploads. Non-HTML previews stay offline. HTML and ZIP websites may run JavaScript and connect over HTTPS/WSS in an isolated environment; offline and Safe Preview modes are available. Terms: https://oneapps.studio/terms Privacy: https://oneapps.studio/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Pomodoro Rounds at none against OneOpen's 2. On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. OneOpen sells 2 in-app purchases, starting at $0.99 per year. Pomodoro Rounds asks for nothing beyond the download.
| Parameter | Pomodoro Rounds | OneOpen |
|---|---|---|
| Price | Free | Free |
| Positive reviews | โ | 57.1% of reviews |
| Update frequency | โ | Every 4 days |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Monetization | โ | Freemium |
| Devices | iPhone | iPhone, iPad โ better |
| Requires iOS | 16.4 โ better | 17.0 |
| Further details โ not scored | ||
| Size | 34 MB | 76 MB |
| Age rating | 4+ | 4+ |
| Developer | Muhammad Hasan Zafar | Freedom Dimension (shenzhen) Technology Co., Ltd |
In-app purchases
Pomodoro Rounds
No in-app purchases
OneOpen
- Advanced Access Annual$0.991 Year
- Advanced Access Lifetime$2.99









