# WindowViewer vs LedgerX Accounting & Billing

The clearest difference is update cadence: LedgerX Accounting & Billing at every 3 weeks against WindowViewer's every 3 months. WindowViewer's advantage is iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

WindowViewer ships an update every 3 months, LedgerX Accounting & Billing every 3 weeks. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | WindowViewer | LedgerX Accounting & Billing |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 138 MB | 28 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Digital Building Solutions GmbH](https://appshunter.io/developer/1456095004) | [Vofox Solutions](https://appshunter.io/developer/666224009) |

## What reviewers say

### WindowViewer

[App page](https://appshunter.io/ios/app/windowviewer/id1606181528)

**In-app purchases:** none


### LedgerX Accounting & Billing

[App page](https://appshunter.io/ios/app/ledgerx-accounting-and-billing/id6774478520)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is WindowViewer free?

WindowViewer is free to download, with no in-app purchases.

### Is LedgerX Accounting & Billing free?

LedgerX Accounting & Billing is free to download, with no in-app purchases.

### Do WindowViewer or LedgerX Accounting & Billing have ads?

Neither WindowViewer nor LedgerX Accounting & Billing shows ads.

### Which is updated more often, WindowViewer or LedgerX Accounting & Billing?

WindowViewer ships an update every 3 months, and LedgerX Accounting & Billing every 3 weeks. Most recently, WindowViewer was updated on October 27, 2026 and LedgerX Accounting & Billing on October 25, 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.*