# Sharp Blade vs SeizeIO

The clearest difference is in-app purchases: SeizeIO at none against Sharp Blade's 1. SeizeIO also leads on update cadence (every 10 days vs every 5 months) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Sharp Blade sells 1 one-off in-app purchase. SeizeIO asks for nothing beyond the download.

Sharp Blade ships an update every 5 months, SeizeIO every 10 days. The most recent releases landed on September 14, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Sharp Blade | SeizeIO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 10 days** |
| Size | 152 MB | 90 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Alexander Fedoseev](https://appshunter.io/developer/1460449487) | [Dominic Mudrak](https://appshunter.io/developer/6774615942) |

## What reviewers say

### Sharp Blade

[App page](https://appshunter.io/ios/app/sharp-blade/id6470615481)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Feature Set | $0.99 | one-time |


### SeizeIO

[App page](https://appshunter.io/ios/app/seizeio/id6774615940)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sharp Blade free?

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

### Is SeizeIO free?

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

### Do Sharp Blade or SeizeIO have ads?

Neither Sharp Blade nor SeizeIO shows ads.

### Which is updated more often, Sharp Blade or SeizeIO?

Sharp Blade ships an update every 5 months, and SeizeIO every 10 days. Most recently, Sharp Blade was updated on September 14, 2026 and SeizeIO on September 25, 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.*