# Shady Encoding vs Seismoviewer

Shady Encoding and Seismoviewer are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Shady Encoding | Seismoviewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (3 ratings)](https://appshunter.io/ios/app/seismoviewer/id6758437882/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 4 months |
| Monetization | — | Free |
| Size | 2 MB | 1 MB |
| Requires iOS | 18.2 | **17.6** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sergey Tereshkin](https://appshunter.io/developer/1868195804) | [HyeongRae Jo](https://appshunter.io/developer/1872940735) |

## What reviewers say

### Shady Encoding

[App page](https://appshunter.io/ios/app/shady-encoding/id6757672242)

**Features:** macOS Compatibility

**In-app purchases:** none


### Seismoviewer

[App page](https://appshunter.io/ios/app/seismoviewer/id6758437882)

This tool helps you monitor and analyze everyday vibrations from various sources like appliances, footsteps, or industrial equipment. It displays vibration magnitude, trends, and characteristics using your smartphone's accelerometer. All data processing is done locally on your device.

**Highlights:** Identify and analyze everyday vibrations, Monitor vibration magnitude, trends, and characteristics, Utilizes smartphone accelerometer, Local data processing on device, Suitable for household, industrial, and lab environments

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

**In-app purchases:** none


## Frequently asked questions

### Is Shady Encoding free?

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

### Is Seismoviewer free?

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

### Do Shady Encoding or Seismoviewer have ads?

Neither Shady Encoding nor Seismoviewer shows ads.

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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.*