# K2mail vs Speaker Fix

The clearest difference is in-app purchases: K2mail at none against Speaker Fix's 4. K2mail also leads on iOS requirement (11.0 vs 16.0). On price there is nothing between them.

Both are free to download. Speaker Fix sells 4 in-app purchases, starting at $4.99 per 7 days. K2mail asks for nothing beyond the download.

## The numbers

| Metric | K2mail | Speaker Fix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (13 ratings)](https://appshunter.io/ios/app/speaker-fix/id6498861898/reviews)** |
| Number of ratings | — | **13** |
| Positive reviews | — | 14.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 9 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | — | **iPhone** |
| Age rating | 17+ | 4+ |
| Developer | [K2R, TOV](https://appshunter.io/developer/1509298441) | [Valeriu Moiseev](https://appshunter.io/developer/1812936836) |

## What reviewers say

### K2mail

[App page](https://appshunter.io/ios/app/k2mail/id6472443757)

**In-app purchases:** none


### Speaker Fix

[App page](https://appshunter.io/ios/app/speaker-fix/id6498861898)

Test your device's stereo balance and speaker performance across various frequencies. Measure current noise levels in decibels and hertz. Offers a premium upgrade for unlimited testing and an ad-free experience.

**Highlights:** Stereo balance testing, Frequency performance check, Left/right speaker differentiation, Noise level measurement, Sound level meter (dB & Hz), Premium ad-free experience

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Yearly | $9.99 | per year |
| Yearly | $24.99 | per year |
| Lifetime Premium | $9.99 | one-time |


## Frequently asked questions

### Is K2mail free?

K2mail is free to download, with no in-app purchases.

### Is Speaker Fix free?

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

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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.*