# Nuance Audio vs ABO

The clearest difference is ads: Nuance Audio at none against ABO's shown. Nuance Audio also leads on update cadence (monthly vs every 3 months) and ratings volume (44 vs 7). ABO's advantage is rating (2.7 vs 2.5) and monetization model (ad-supported vs free with in-app purchases). On price, review sentiment, 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.

ABO holds the better App Store score, 2.7 against 2.5. That said, the two scores are not equally well evidenced: Nuance Audio has 44 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 18% of Nuance Audio's written reviews are positive against 25% of ABO's.

Nuance Audio ships an update monthly, ABO every 3 months. Both last shipped on October 30, 2026.

## The numbers

| Metric | Nuance Audio | ABO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (44 ratings)](https://appshunter.io/ios/app/nuance-audio/id6477399465/reviews) | **[2.7 (7 ratings)](https://appshunter.io/ios/app/abo-ncle-certifications/id6741852627/reviews)** |
| Number of ratings | **44** | 7 |
| Positive reviews | 18.4% of reviews | **25.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 175 MB | 51 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [ESSILORLUXOTTICA](https://appshunter.io/developer/1699540706) | [American Board of Opticianry & National Contact Lens Examiners](https://appshunter.io/developer/1795904773) |

## What reviewers say

### Nuance Audio

[App page](https://appshunter.io/ios/app/nuance-audio/id6477399465)

Enhance your hearing with stylish eyewear that integrates advanced audio assistance. This app allows you to control and customize your hearing glasses, manage sound settings, and reduce background noise for clearer conversations in any environment.

**Highlights:** Device activation and setup, Customizable sound settings, Switchable hearing modes, Real-time noise management, Save and apply presets, Remote volume and setting control

**Features:** Apple Watch app

**In-app purchases:** none


### ABO

[App page](https://appshunter.io/ios/app/abo-ncle-certifications/id6741852627)

Stay updated with your opticianry certifications and renewals. Access important documents, manage your digital wallet card with QR code, and register for exams. This app keeps you informed about news and events in the opticianry field.

**Highlights:** News Feed, Event Calendar, Digital Wallet Card with QR code, Certification Hub access, Certification Renewals, Exam Registration

**In-app purchases:** none


## Frequently asked questions

### Is Nuance Audio free?

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

### Is ABO free?

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

### Which has better reviews, Nuance Audio or ABO?

ABO is rated higher. Nuance Audio averages 2.5 out of 5 from 44 ratings, while ABO averages 2.7 from 7 ratings.

### Do Nuance Audio or ABO have ads?

ABO shows ads; Nuance Audio does not.

### Which is updated more often, Nuance Audio or ABO?

Nuance Audio ships an update monthly, and ABO every 3 months. Most recently, Nuance Audio was updated on October 30, 2026 and ABO on October 30, 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.*