# miniDSP BT Update vs Aeshna

The clearest difference is in-app purchases: miniDSP BT Update at none against Aeshna's 10. miniDSP BT Update also leads on iOS requirement (15.0 vs 18.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Aeshna sells 10 in-app purchases, starting at $4.99 per month. miniDSP BT Update asks for nothing beyond the download.

miniDSP BT Update ships an update monthly, Aeshna every 6 weeks. The most recent releases landed on September 22, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | miniDSP BT Update | Aeshna |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Size | 6 MB | 57 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [miniDSP Ltd](https://appshunter.io/developer/945240203) | [Shenzhen Seize Times E-Commerce Co., Ltd.](https://appshunter.io/developer/368397197) |

## What reviewers say

### miniDSP BT Update

[App page](https://appshunter.io/ios/app/minidsp-bt-update/id6749021623)

**Features:** macOS Compatibility

**In-app purchases:** none


### Aeshna

[App page](https://appshunter.io/ios/app/aeshna/id6758001353)

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Viewra Models (Monthly) | $4.99 | per month |
| Viewra BIMs (Monthly) | $4.99 | per month |
| Viewra Complete (Monthly) | $6.99 | per month |
| Viewra Models (Yearly) | $34.99 | per year |
| Viewra BIMs (Monthly) | $34.99 | per year |
| Viewra Complete (Yearly) | $49.99 | per year |
| Viewra Drawings (Lifetime) | $39.99 | one-time |
| Viewra Models (Lifetime) | $69.99 | one-time |
| Viewra BIMs (Lifetime) | $69.99 | one-time |
| Viewra Complete (Lifetime) | $99.99 | one-time |


## Frequently asked questions

### Is miniDSP BT Update free?

miniDSP BT Update is free to download, with no in-app purchases.

### Is Aeshna free?

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

### Do miniDSP BT Update or Aeshna have ads?

Neither miniDSP BT Update nor Aeshna shows ads.

### Which is updated more often, miniDSP BT Update or Aeshna?

miniDSP BT Update ships an update monthly, and Aeshna every 6 weeks. Most recently, miniDSP BT Update was updated on September 22, 2026 and Aeshna on September 20, 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.*