# ShowViewer vs SheetMuse

The clearest difference is in-app purchases: ShowViewer at none against SheetMuse's 1. ShowViewer also leads on ads (none vs shown). SheetMuse's advantage is update cadence (every 9 days vs every 6 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. SheetMuse sells 1 one-off in-app purchase. ShowViewer asks for nothing beyond the download.

ShowViewer ships an update every 6 months, SheetMuse every 9 days. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ShowViewer | SheetMuse |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 9 days** |
| Size | 6 MB | 36 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andreas Keldenich](https://appshunter.io/developer/1515007852) | [Francesco Acquafredda](https://appshunter.io/developer/1746333153) |

## What reviewers say

### ShowViewer

[App page](https://appshunter.io/ios/app/showviewer/id6478234758)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


### SheetMuse

[App page](https://appshunter.io/ios/app/sheetmuse-score-pdf-viewer/id6761066239)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SheetMuse - NO ADS Pack | $1.99 | one-time |


## Frequently asked questions

### Is ShowViewer free?

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

### Is SheetMuse free?

SheetMuse is free to download, with in-app purchases available.

### Do ShowViewer or SheetMuse have ads?

SheetMuse shows ads; ShowViewer does not.

### Which is updated more often, ShowViewer or SheetMuse?

ShowViewer ships an update every 6 months, and SheetMuse every 9 days. Most recently, ShowViewer was updated on October 23, 2026 and SheetMuse on October 25, 2026.

---

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