# TrailLedger vs OneOpen

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.

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.

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.

## The numbers

| Metric | TrailLedger | OneOpen |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 57.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 4 days** |
| Monetization | Freemium | Freemium |
| Size | 13 MB | 76 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [玉春 蔡](https://appshunter.io/developer/1855893690) | [Freedom Dimension (shenzhen) Technology Co., Ltd](https://appshunter.io/developer/6776064465) |

## What reviewers say

### TrailLedger

[App page](https://appshunter.io/ios/app/trailledger-expense-tracker/id6786991019)

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:** macOS Compatibility, Family Sharing, Vision Pro support, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Member | $0.99 | per month |
| Early Bird Lifetime | $3.99 | one-time |
| Lifetime Member | $6.99 | one-time |


### OneOpen

[App page](https://appshunter.io/ios/app/oneopen-file-viewer/id6792251542)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advanced Access Annual | $0.99 | per year |
| Advanced Access Lifetime | $2.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*