# JAR DLL EXE File Viewer vs TethrX

The clearest difference is in-app purchases: TethrX at none against JAR DLL EXE File Viewer's 1. JAR DLL EXE File Viewer's advantage is update cadence (fortnightly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. JAR DLL EXE File Viewer sells 1 one-off in-app purchase. TethrX asks for nothing beyond the download.

JAR DLL EXE File Viewer ships an update fortnightly, TethrX every 3 months. Both last shipped on November 5, 2026.

## The numbers

| Metric | JAR DLL EXE File Viewer | TethrX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Size | 10 MB | 7 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [文军 崔](https://appshunter.io/developer/6792011485) | [Nathan Ducatillon](https://appshunter.io/developer/6789156325) |

## What reviewers say

### JAR DLL EXE File Viewer

[App page](https://appshunter.io/ios/app/jar-dll-exe-file-viewer/id6792224147)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Upgrade | $4.99 | one-time |


### TethrX

[App page](https://appshunter.io/ios/app/tethrx/id6792520305)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is JAR DLL EXE File Viewer free?

JAR DLL EXE File Viewer is free to download, with in-app purchases available.

### Is TethrX free?

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

### Do JAR DLL EXE File Viewer or TethrX have ads?

Neither JAR DLL EXE File Viewer nor TethrX shows ads.

### Which is updated more often, JAR DLL EXE File Viewer or TethrX?

JAR DLL EXE File Viewer ships an update fortnightly, and TethrX every 3 months. Most recently, JAR DLL EXE File Viewer was updated on November 5, 2026 and TethrX on November 5, 2026.

---

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