miniDSP BT Update vs Aeshna
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
miniDSP BT Update
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This app allows user to pair with the bluetooth available in Flex / Flex DL / Flex8 / Flex8 DL devices and perform firmware upgrade of the bluetooth module inside the device.
Aeshna
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Aeshna is a professional CAD viewer and inspection tool for STEP and IGES files. Open, inspect, measure, and review 3D models directly on your device โ no account required and no cloud upload. KEY FEATURES โข STEP & IGES Support Open STEP, STP, IGES, and IGS files directly on your iPhone or iPad. โข Assembly Tree Navigate assembly structures, inspect components, and control model visibility. โข Section View Cut through models to inspect internal geometry and hidden details. โข Exploded View Separate assembly components to better understand structure and relationships. โข Precision B-Rep Measurement Measure distances, angles, areas, and volumes directly from B-Rep geometry. โข PMI Support View dimensions, tolerances, datums, and other PMI information stored in STEP files. โข Screenshot Markup Add drawings, shapes, and notes to model screenshots for review and sharing. โข Multi-Format Export Export models to STEP, IGES, STL, OBJ, glTF, VRML, and other common formats. โข Large Model Processing Use a paired Mac to process CAD models too large for your iPhone or iPad, then seamlessly continue viewing them on your device. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
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.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
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.
| Parameter | miniDSP BT Update | Aeshna |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly โ better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 15.0 โ better | 18.6 |
| Further details โ not scored | ||
| Size | 6 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | miniDSP Ltd | Shenzhen Seize Times E-Commerce Co., Ltd. |
In-app purchases
miniDSP BT Update
No in-app purchases
Aeshna
- Viewra Models (Monthly)$4.991 Month
- Viewra BIMs (Monthly)$4.991 Month
- Viewra Complete (Monthly)$6.991 Month
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- Viewra Models (Yearly)$34.991 Year
- Viewra BIMs (Monthly)$34.991 Year
- Viewra Complete (Yearly)$49.991 Year
- Viewra Drawings (Lifetime)$39.99
- Viewra Models (Lifetime)$69.99
- Viewra BIMs (Lifetime)$69.99
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- Viewra Complete (Lifetime)$99.99









