# Volt MX vs ListenBack

The clearest difference is in-app purchases: Volt MX at none against ListenBack's 1. Volt MX also leads on iOS requirement (15.0 vs 17.0). ListenBack's advantage is update cadence (every 2 weeks vs every 9 months). On price, ads and device support there is nothing between them.

Both are free to download. ListenBack sells 1 one-off in-app purchase. Volt MX asks for nothing beyond the download.

Volt MX ships an update every 9 months, ListenBack every 2 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Volt MX | ListenBack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/volt-mx/id1577168623/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 88 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [HCL America Inc.](https://appshunter.io/developer/392909135) | [kou works](https://appshunter.io/developer/1871986162) |

## What reviewers say

### Volt MX

[App page](https://appshunter.io/ios/app/volt-mx/id1577168623)

This companion app provides developers with access to key capabilities of the HCL Volt MX application development platform. It integrates with Volt Iris and Volt Foundry services, offering essential tools for mobile development.

**Highlights:** Access Volt Iris capabilities, Utilize Volt Foundry services, Companion for HCL Volt MX platform, Mobile development tools, Developer productivity

**Features:** macOS Compatibility

**In-app purchases:** none


### ListenBack

[App page](https://appshunter.io/ios/app/listenback-english-shadowing/id6770220137)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ListenBack Pro | $2.99 | one-time |


## Frequently asked questions

### Is Volt MX free?

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

### Is ListenBack free?

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

### Do Volt MX or ListenBack have ads?

Neither Volt MX nor ListenBack shows ads.

### Which is updated more often, Volt MX or ListenBack?

Volt MX ships an update every 9 months, and ListenBack every 2 weeks. Most recently, Volt MX was updated on November 3, 2026 and ListenBack on October 31, 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.*