# HiFuture Audio vs PQDIF Viewer

The clearest difference is update cadence: PQDIF Viewer at every 3 days against HiFuture Audio's every 9 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

HiFuture Audio ships an update every 9 days, PQDIF Viewer every 3 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | HiFuture Audio | PQDIF Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (6 ratings)](https://appshunter.io/ios/app/hifuture-audio/id6746928458/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 3 days** |
| Monetization | Free | — |
| Size | 98 MB | 4 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Future Access Technology Co., Ltd.](https://appshunter.io/developer/1699316143) | [Russell Patterson](https://appshunter.io/developer/1723606459) |

## What reviewers say

### HiFuture Audio

[App page](https://appshunter.io/ios/app/hifuture-audio/id6746928458)

Customize your audio experience with a professional equalizer and preset sound profiles. Manage earbud settings, including touch controls, battery levels, and noise cancellation. Translate conversations in real-time with bilingual audio split or convert speech to text.

**Highlights:** Professional equalizer with custom profiles, Earbud touch gesture customization, Real-time battery monitoring, Find My Earbuds feature, Noise canceling/transparency mode control, Real-time conversation translation, Speech-to-text translation

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

**In-app purchases:** none


### PQDIF Viewer

[App page](https://appshunter.io/ios/app/pqdif-viewer/id6769140607)

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

**In-app purchases:** none


## Frequently asked questions

### Is HiFuture Audio free?

HiFuture Audio is free to download, with no in-app purchases.

### Is PQDIF Viewer free?

PQDIF Viewer is free to download, with no in-app purchases.

### Do HiFuture Audio or PQDIF Viewer have ads?

Neither HiFuture Audio nor PQDIF Viewer shows ads.

### Which is updated more often, HiFuture Audio or PQDIF Viewer?

HiFuture Audio ships an update every 9 days, and PQDIF Viewer every 3 days. Most recently, HiFuture Audio was updated on October 25, 2026 and PQDIF Viewer on October 25, 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.*