Comparison

TrailLedger vs OneOpen

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

Head to head
About

TrailLedger

This app helps you manage your personal finances by tracking expenses, income, and assets. It offers detailed statistics, budgeting tools, and account management to understand your spending habits and financial health.

Highlights
  • Quick expense and income entry
  • Transaction history with search and filter
  • Detailed financial statistics and net worth tracking
  • Multi-account asset management
  • Monthly budgeting with overspend alerts
  • Reimbursement tracking
  • CSV import/export
Features
Read full description

TrailLedger is a clean, fast personal finance app that helps you track every expense and income, understand where your money goes, and keep your assets in one place. KEY FEATURES • Quick Entry — Log expenses, income, and transfers in seconds with a built-in calculator keypad. Add notes, tags, and photos. • Transaction History — Daily grouped lists with monthly summaries. Search and filter anytime. • Statistics — Week, month, year, or custom range. Income & expense breakdowns, category charts, spending trends, and net worth tracking. • Asset Management — Manage multiple accounts with real-time net worth. Supports credit cards, debit cards, cash, and more. • Budgets — Set monthly budgets with overspend alerts to stay on track. • Reimbursements — Mark bills for reimbursement and track pending vs. received amounts. • And More — Installments, recurring transactions, savings goals, calendar view, and CSV import/export. TRAILLEDGER PRO • Multiple Ledgers — Separate personal, work, and travel finances. • CSV Export — Back up and analyze your data easily. • Face ID Lock — Keep your financial data private. • Quick Launch — Open straight to the record screen. DESIGNED FOR YOU • Clean interface, smooth workflow, no ads. • English and Chinese supported. • iCloud sync across iPhone and iPad. • Home Screen widget for today and monthly spending at a glance. Personal finance doesn't have to be complicated. Open TrailLedger, log it in seconds, and always know where your money stands. Privacy Policy:https://mcnzv1vkrtox.feishu.cn/wiki/UvoWwY5azigvkFkFBRQcoUUxnAd?from=from_copylink Terms of Use:https://mcnzv1vkrtox.feishu.cn/wiki/CBWgwsUPTixjoWkumdjcJ47gnBd?from=from_copylink

About

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.

Highlights
  • Multi-format file viewing
  • HTML and Markdown preview
  • CAD and 3D model rotation
  • Archive browsing and extraction
  • EPUB reader
  • Certificate inspection
  • File information display
Features
Read full description

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) • Pan, zoom and toggle layers in supported DWG/DXF 2D model-space drawings. • Rotate STEP/STP, IGES/IGS, BREP/BRP, STL, OBJ and PLY models, including PLY vertex colors and point clouds. • 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. • 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. • USDZ starts in object view; choose AR when needed. • 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

TrailLedger4 screens
OneOpen4 screens

Verdict

The call

The clearest difference is review sentiment: TrailLedger at 100% against OneOpen's 57%. On price, update cadence, ads and in-app purchases 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. TrailLedger sells 3 in-app purchases, starting at $0.99 per month and OneOpen sells 2 in-app purchases, starting at $0.99 per year. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

TrailLedger ships an update every 5 days, OneOpen every 4 days. The most recent releases landed on November 5, 2026 and November 8, 2026 respectively.

Scorecard1 real difference · 7 level
TrailLedger versus OneOpen: the parameters behind the verdict, then further details
ParameterTrailLedgerOneOpen
PriceFreeFree
Positive reviews100.0% of reviews — better57.1% of reviews
Update frequencyEvery 5 daysEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size13 MB76 MB
Age rating4+4+
Developer玉春 蔡Freedom Dimension (shenzhen) Technology Co., Ltd

Customer experience

TrailLedger

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

OneOpen

Written reviews7 reviews
Positive57.1%
Neutral14.3%
Negative28.6%

In-app purchases

3 purchases

TrailLedger

Subscriptions1
  • Monthly Member3 Days trial$0.991 Month
One-time2
  • Early Bird Lifetime$3.99
  • Lifetime Member$6.99
2 purchases

OneOpen

Subscriptions1
  • Advanced Access Annual$0.991 Year
One-time1
  • Advanced Access Lifetime$2.99

Questions

Is TrailLedger free?
TrailLedger is free to download, with in-app purchases available.
Is OneOpen free?
OneOpen is free to download, with in-app purchases available.
Do TrailLedger or OneOpen have ads?
Neither TrailLedger nor OneOpen shows ads.
Which is updated more often, TrailLedger or OneOpen?
TrailLedger ships an update every 5 days, and OneOpen every 4 days. Most recently, TrailLedger was updated on November 5, 2026 and OneOpen on November 8, 2026.

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