# Knife Sharpening Log & Timer vs EdgeVault

The clearest difference is update cadence: EdgeVault at every 3 days against Knife Sharpening Log & Timer's every 5 months. EdgeVault also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Knife Sharpening Log & Timer sells 3 in-app purchases, starting at $2.99 per 7 days and EdgeVault sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Knife Sharpening Log & Timer ships an update every 5 months, EdgeVault every 3 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | Knife Sharpening Log & Timer | EdgeVault |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 days** |
| Size | 4 MB | 48 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Linh Phan Nhat Khanh](https://appshunter.io/developer/1777727575) | [kazuki korenori](https://appshunter.io/developer/1884835388) |

## What reviewers say

### Knife Sharpening Log & Timer

[App page](https://appshunter.io/ios/app/knife-sharpening-log-and-timer/id6771845696)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grit Progression Planner | $2.99 | per 7 days |
| Bevel Angle Tracker | $14.99 | per year |
| Blade Maintenance Reminders | $29.99 | one-time |


### EdgeVault

[App page](https://appshunter.io/ios/app/edgevault/id6781181072)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EdgeVault Pro | $6.99 | one-time |


## Frequently asked questions

### Is Knife Sharpening Log & Timer free?

Knife Sharpening Log & Timer is free to download, with in-app purchases available.

### Is EdgeVault free?

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

### Do Knife Sharpening Log & Timer or EdgeVault have ads?

Neither Knife Sharpening Log & Timer nor EdgeVault shows ads.

### Which is updated more often, Knife Sharpening Log & Timer or EdgeVault?

Knife Sharpening Log & Timer ships an update every 5 months, and EdgeVault every 3 days. Most recently, Knife Sharpening Log & Timer was updated on November 5, 2026 and EdgeVault on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*