# Mend Studios App vs Pet Acoustics+

The clearest difference is in-app purchases: Mend Studios App at none against Pet Acoustics+'s 4. Pet Acoustics+'s advantage is update cadence (every 3 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Pet Acoustics+ sells 4 in-app purchases, starting at $9.99 per month. Mend Studios App asks for nothing beyond the download.

Mend Studios App ships an update every 3 months, Pet Acoustics+ every 3 weeks. The most recent releases landed on October 11, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Mend Studios App | Pet Acoustics+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.8 (11 ratings)](https://appshunter.io/ios/app/pet-acoustics-plus/id6744701722/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 55 MB | 43 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Momence, Inc.](https://appshunter.io/developer/1577856011) | [Janet Marlow](https://appshunter.io/developer/1808967680) |

## What reviewers say

### Mend Studios App

[App page](https://appshunter.io/ios/app/mend-studios-app/id6741873322)

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

**In-app purchases:** none


### Pet Acoustics+

[App page](https://appshunter.io/ios/app/pet-acoustics-plus/id6744701722)

Assess your dog or cat's hearing with a free, non-invasive test. Soothe your pet during stressful times with a library of calming music, available through a paid subscription.

**Highlights:** Free pet hearing test, Assess hearing loss in dogs and cats, Calming music for pets, Music for travel, thunderstorms, vet visits, Subscription for expanded music library, Premium features

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Core Plan Monthly | $9.99 | per month |
| Premium Plan Monthly | $14.99 | per month |
| Core Plan Yearly | $99.99 | per year |
| Premium Plan Yearly | $149.99 | per year |


## Frequently asked questions

### Is Mend Studios App free?

Mend Studios App is free to download, with no in-app purchases.

### Is Pet Acoustics+ free?

Pet Acoustics+ is free to download, with in-app purchases available.

### Do Mend Studios App or Pet Acoustics+ have ads?

Neither Mend Studios App nor Pet Acoustics+ shows ads.

### Which is updated more often, Mend Studios App or Pet Acoustics+?

Mend Studios App ships an update every 3 months, and Pet Acoustics+ every 3 weeks. Most recently, Mend Studios App was updated on October 11, 2026 and Pet Acoustics+ on October 6, 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.*