# 1Stack vs Spin Blade.io

The clearest difference is in-app purchases: 1Stack at none against Spin Blade.io's 7. 1Stack also leads on device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Spin Blade.io sells 7 one-off in-app purchases. 1Stack asks for nothing beyond the download.

1Stack ships an update every 5 days, Spin Blade.io every 4 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | 1Stack | Spin Blade.io |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 days | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 42 MB | 67 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [KCREW(KR)](https://appshunter.io/developer/6801229390) | [Ibuki Hara](https://appshunter.io/developer/6791958118) |

## What reviewers say

### 1Stack

[App page](https://appshunter.io/ios/app/1stack-block-tower-stack-game/id6795424207)

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

**In-app purchases:** none


### Spin Blade.io

[App page](https://appshunter.io/ios/app/spin-bladeio/id6815482820)

Engage in a satisfying action game where you collect and spin swords to defeat opponents. Grow your sword ring by grabbing orbs and strategically outmaneuver enemies with superior blades. Compete for the highest level globally in this free-to-play experience.

**Highlights:** Collect and spin swords, Grow your sword ring, Strategic combat mechanics, Unlockable swords, Global leaderboards, Simple drag-to-move controls

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Gems | $2.99 | one-time |
| Remove Ads | $4.99 | one-time |
| Starter Pack | $6.99 | one-time |
| 30 Gems | $6.99 | one-time |
| 100 Gems | $14.99 | one-time |
| 500 Gems | $59.99 | one-time |
| 1000 Gems | $99.99 | one-time |


## Frequently asked questions

### Is 1Stack free?

1Stack is free to download, with no in-app purchases.

### Is Spin Blade.io free?

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

### Do 1Stack or Spin Blade.io have ads?

Both 1Stack and Spin Blade.io show ads.

### Which is updated more often, 1Stack or Spin Blade.io?

1Stack ships an update every 5 days, and Spin Blade.io every 4 days. Most recently, 1Stack was updated on October 24, 2026 and Spin Blade.io on October 24, 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.*