# TETSUO vs Super Stadium Nine

The clearest difference is in-app purchases: TETSUO at none against Super Stadium Nine's 3. TETSUO also leads on ads (none vs shown) and iOS requirement (7.1 vs 13.0). Super Stadium Nine's advantage is update cadence (every 3 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Super Stadium Nine sells 3 one-off in-app purchases. TETSUO asks for nothing beyond the download.

TETSUO ships an update every 2 months, Super Stadium Nine every 3 days. The most recent releases landed on October 3, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | TETSUO | Super Stadium Nine |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 17 MB | 8 MB |
| Requires iOS | **7.1** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [NAKAYUBI CORPORATION](https://appshunter.io/developer/826300169) | [kota ozaki](https://appshunter.io/developer/6777184406) |

## What reviewers say

### TETSUO

[App page](https://appshunter.io/ios/app/tetsuo/id886919934)

**Features:** macOS Compatibility

**In-app purchases:** none


### Super Stadium Nine

[App page](https://appshunter.io/ios/app/super-stadium-nine/id6781931072)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ジェムパック(小) | $0.99 | one-time |
| ジェムパック(中) | $2.99 | one-time |
| ジェムパック(大) | $5.99 | one-time |


## Frequently asked questions

### Is TETSUO free?

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

### Is Super Stadium Nine free?

Super Stadium Nine is free to download, with in-app purchases available.

### Do TETSUO or Super Stadium Nine have ads?

Super Stadium Nine shows ads; TETSUO does not.

### Which is updated more often, TETSUO or Super Stadium Nine?

TETSUO ships an update every 2 months, and Super Stadium Nine every 3 days. Most recently, TETSUO was updated on October 3, 2026 and Super Stadium Nine on October 19, 2026.

---

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