# KeyMatch Pro vs Increase Volume

The clearest difference is monetization model: KeyMatch Pro at free with in-app purchases against Increase Volume's subscription. KeyMatch Pro also leads on device support (3 vs 1). Increase Volume's advantage is update cadence (every 6 days vs fortnightly). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. KeyMatch Pro sells 11 in-app purchases, starting at $9.99 per year and Increase Volume sells 9 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for KeyMatch Pro against 5.0 for Increase Volume. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

KeyMatch Pro ships an update fortnightly, Increase Volume every 6 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | KeyMatch Pro | Increase Volume |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/keymatch-pro/id6757365149/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/increase-volume-sound-boost/id6757870311/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 6 days** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 21 MB | 112 MB |
| Requires iOS | **15.5** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Rudolph Brouwers](https://appshunter.io/developer/1866398399) | [Ademola Kevin Bello](https://appshunter.io/developer/1791254375) |

## What reviewers say

### KeyMatch Pro

[App page](https://appshunter.io/ios/app/keymatch-pro/id6757365149)

Build a visual library of your keys to identify, organize, and manage them. Capture photos, track details like quantity and codes, and search your collection. Export reports and back up your data securely.

**Highlights:** Visual key library creation, Key identification by photo matching, Track key quantity and codes, Search and filter by name, code, or tag, Duplicate key detection, Export key audit reports, Backup, transfer, import, and export key lists, In-app security options

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KeyMatch Pro Basic | $9.99 | per year |
| KeyMatch Pro Pro | $14.99 | per year |
| KeyMatch Pro Business | $19.99 | per year |
| Starter | $7.99 | one-time |
| Bulk Name Import (One‑time) | $9.99 | one-time |
| Plus | $14.99 | one-time |
| Max | $29.99 | one-time |
| Ultra | $49.99 | one-time |
| Lifetime Unlock | $49.99 | one-time |
| Team | $79.99 | one-time |
| Enterprise | $149.99 | one-time |


### Increase Volume

[App page](https://appshunter.io/ios/app/increase-volume-sound-boost/id6757870311)

Enhance audio and video recordings by increasing volume up to 3x. Improve speech clarity, reduce noise, and adjust playback speed. Compare original and enhanced versions before exporting.

**Highlights:** Amplify audio up to 3x, Improve voice clarity, Noise reduction, Adjust playback speed, Compare original and enhanced audio, Export audio or video

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $3.99 | per 7 days |
| Yearly Offer | $17.99 | per year |
| Pro Yearly | $22.99 | per year |
| Starter Pack | $2.99 | one-time |
| Offer Pack | $3.99 | one-time |
| Popular Pack | $7.99 | one-time |
| Pro LifeTime Offer | $14.99 | one-time |
| Best Value Pack | $19.99 | one-time |
| Pro LifeTime | $24.99 | one-time |


## Frequently asked questions

### Is KeyMatch Pro free?

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

### Is Increase Volume free?

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

### Which has better reviews, KeyMatch Pro or Increase Volume?

KeyMatch Pro and Increase Volume are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do KeyMatch Pro or Increase Volume have ads?

Neither KeyMatch Pro nor Increase Volume shows ads.

### Which is updated more often, KeyMatch Pro or Increase Volume?

KeyMatch Pro ships an update fortnightly, and Increase Volume every 6 days. Most recently, KeyMatch Pro was updated on October 31, 2026 and Increase Volume 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.*