# VoidMicroBT vs Seisvault

The clearest difference is price: VoidMicroBT at Free against Seisvault's $3.99. VoidMicroBT also leads on iOS requirement (13.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

VoidMicroBT is free to download; Seisvault costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | VoidMicroBT | Seisvault |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 7 MB | 45 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [放 崔](https://appshunter.io/developer/1540899092) | [Robert Corbin](https://appshunter.io/developer/1890247992) |

## What reviewers say

### VoidMicroBT

[App page](https://appshunter.io/ios/app/voidmicrobt/id6449016906)

**Features:** macOS Compatibility

**In-app purchases:** none


### Seisvault

[App page](https://appshunter.io/ios/app/seisvault-seg-y-viewer/id6793514805)

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

**In-app purchases:** none


## Frequently asked questions

### Is VoidMicroBT free?

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

### Is Seisvault free?

Seisvault costs $3.99, with no in-app purchases.

### Do VoidMicroBT or Seisvault have ads?

Neither VoidMicroBT nor Seisvault 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.*