Comparison

OneOpen vs DBF Viewer

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

Head to head
About

OneOpen

Features
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OneOpen opens the files you receive from Files, Mail, and other apps. Everyday viewing stays free and local. FREE FILE VIEWING Open HTML and ZIP website packages as isolated mini apps. Read Markdown, PDF, Office and iWork documents, common images, audio, video, JSON, YAML, XML, CSV, source code, and text. Search and edit common text formats in a separate copy; your original remains untouched. Recents and widgets put your files within reach. ADVANCED FORMATS Advanced Access unlocks specialized previews: 3D models, RAW and design images, fonts, certificates, property lists, email, subtitles, contacts, calendars, specialist archives and data, CAD and circuit files, and the binary inspector. Choose an annual subscription or a one-time lifetime purchase; both unlock the same features. PRIVACY AND HTML SAFETY OneOpen has no account, ads, analytics, or document uploads. Non-HTML previews stay offline. Imported HTML and ZIP websites may run JavaScript and connect to HTTPS/WSS servers in an isolated WebKit store. Switch to offline mode or Safe Preview at any time; HTTP, embedded frames, unexpected navigation, and access to other local files remain blocked. Webpage code may contact third-party servers when you allow network access. Terms of Use: https://oneapps.studio/terms Privacy Policy: https://oneapps.studio/privacy Advanced Access includes STEP/STP, IGES, BREP, DXF, STL, OBJ and PLY geometry previews. Unsupported drawing entities are disclosed; external OBJ materials and textures are not loaded. This is a viewer, without CAD editing or engineering measurements.

About

DBF Viewer

Features
Read full description

DBF Viewer is a database workspace for opening, inspecting, searching, and exporting dBASE DBF tables on iPhone, iPad, and Mac. DBF DATABASE VIEWER Open DBF tables directly on your device along with DBT and FPT memo field files. Inspect table structure, view column types, count total records, and browse data rows. DBASE VIEWER: SEARCH AND EDIT Search across all fields, filter records by query, and edit cell contents directly within the table grid. DBF VIEWER 2000: EXCEL AND CSV EXPORT Export DBF tables to Microsoft Excel (.xlsx) or CSV format with a single tap so you can share or analyze your database data in modern spreadsheet applications. DBF FILE VIEWER: PRIVACY AND LOCAL PROCESSING Your files, database tables, and edits stay strictly on your device. No cloud uploads or accounts are required. Privacy Policy: https://rush.tools/privacy Terms of Use: https://rush.tools/terms

Screenshots

OneOpen4 screens
DBF Viewer4 screens

Verdict

The call

The clearest difference is in-app purchases: OneOpen at none against DBF Viewer's 2. DBF Viewer's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 17.0). On price, update cadence and ads 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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. DBF Viewer sells 2 in-app purchases, starting at $6.99 per 7 days. OneOpen asks for nothing beyond the download.

UpkeepUpdate frequency

OneOpen ships an update every 9 days, DBF Viewer every 6 days. The most recent releases landed on October 13, 2026 and October 18, 2026 respectively.

Scorecard3 real differences ยท 3 level
OneOpen versus DBF Viewer: the parameters behind the verdict, then further details
ParameterOneOpenDBF Viewer
PriceFreeFree
Update frequencyEvery 9 daysEvery 6 days โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPadiPhone, iPad, iPod, Mac โ€” better
Requires iOS17.015.0 โ€” better
Further details โ€” not scored
Size21 MB23 MB
Age rating4+4+
DeveloperFreedom Dimension (shenzhen) Technology Co., LtdRush Tools LLC

In-app purchases

None

OneOpen

No in-app purchases

2 purchases

DBF Viewer

Subscriptions2
  • Weekly Access$6.997 Days
  • Annual Access3 Days trial$69.991 Year

Questions

Is OneOpen free?
OneOpen is free to download, with no in-app purchases.
Is DBF Viewer free?
DBF Viewer is free to download, with in-app purchases available.
Do OneOpen or DBF Viewer have ads?
Neither OneOpen nor DBF Viewer shows ads.
Which is updated more often, OneOpen or DBF Viewer?
OneOpen ships an update every 9 days, and DBF Viewer every 6 days. Most recently, OneOpen was updated on October 13, 2026 and DBF Viewer on October 18, 2026.

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