# Bassport Pro vs NTS AUTO E

The clearest difference is in-app purchases: NTS AUTO E at none against Bassport Pro's 1. NTS AUTO E also leads on ads (none vs shown) and iOS requirement (15 vs 17.0). Bassport Pro's advantage is update cadence (every 5 days vs monthly). On price and device support there is nothing between them.

Both are free to download. Bassport Pro sells 1 one-off in-app purchase. NTS AUTO E asks for nothing beyond the download.

Bassport Pro ships an update every 5 days, NTS AUTO E monthly. Both last shipped on October 28, 2026.

## The numbers

| Metric | Bassport Pro | NTS AUTO E |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 171 MB | 3 MB |
| Requires iOS | 17.0 | **15** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nikita Nesporov](https://appshunter.io/developer/1573554305) | [小梅 苏](https://appshunter.io/developer/1141829061) |

## What reviewers say

### Bassport Pro

[App page](https://appshunter.io/ios/app/bassport-pro/id6759520985)

Design and tune car audio systems with a suite of practical calculators. Features include port tuning, speaker wiring, power cable sizing, and a sine generator for setup and test tones.

**Highlights:** Bass reflex design calculator, Speaker wiring impedance calculator, Power cable sizing, Sine wave generator, Gain target voltage calculator, Box volume builder

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Access | $8.99 | one-time |


### NTS AUTO E

[App page](https://appshunter.io/ios/app/nts-auto-e/id6760691497)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bassport Pro free?

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

### Is NTS AUTO E free?

NTS AUTO E is free to download, with no in-app purchases.

### Do Bassport Pro or NTS AUTO E have ads?

Bassport Pro shows ads; NTS AUTO E does not.

### Which is updated more often, Bassport Pro or NTS AUTO E?

Bassport Pro ships an update every 5 days, and NTS AUTO E monthly. Most recently, Bassport Pro was updated on October 28, 2026 and NTS AUTO E on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*