Comparison

miniDSP BT Update vs Aeshna

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

miniDSP BT Update

Features
Read full description

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.

About

Aeshna

Features
Read full description

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 โ€ข STEP & IGES Support Open STEP, STP, IGES, and IGS files directly on your iPhone or iPad. โ€ข Assembly Tree Navigate assembly structures, inspect components, and control model visibility. โ€ข Section View Cut through models to inspect internal geometry and hidden details. โ€ข Exploded View Separate assembly components to better understand structure and relationships. โ€ข Precision B-Rep Measurement Measure distances, angles, areas, and volumes directly from B-Rep geometry. โ€ข PMI Support View dimensions, tolerances, datums, and other PMI information stored in STEP files. โ€ข Screenshot Markup Add drawings, shapes, and notes to model screenshots for review and sharing. โ€ข Multi-Format Export Export models to STEP, IGES, STL, OBJ, glTF, VRML, and other common formats. โ€ข 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

miniDSP BT Update4 screens
Aeshna4 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences ยท 4 level
miniDSP BT Update versus Aeshna: the parameters behind the verdict, then further details
ParameterminiDSP BT UpdateAeshna
PriceFreeFree
Update frequencyMonthly โ€” betterEvery 6 weeks
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS15.0 โ€” better18.6
Further details โ€” not scored
Size6 MB57 MB
Age rating4+4+
DeveloperminiDSP LtdShenzhen Seize Times E-Commerce Co., Ltd.

In-app purchases

None

miniDSP BT Update

No in-app purchases

10 purchases

Aeshna

Subscriptions6
  • Viewra Models (Monthly)$4.991 Month
  • Viewra BIMs (Monthly)$4.991 Month
  • Viewra Complete (Monthly)$6.991 Month
Show 3 more
  • Viewra Models (Yearly)$34.991 Year
  • Viewra BIMs (Monthly)$34.991 Year
  • Viewra Complete (Yearly)$49.991 Year
One-time4
  • Viewra Drawings (Lifetime)$39.99
  • Viewra Models (Lifetime)$69.99
  • Viewra BIMs (Lifetime)$69.99
Show 1 more
  • Viewra Complete (Lifetime)$99.99

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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