# インベーダー J vs どうぶつインベーダー

The clearest difference is ads: インベーダー J at none against どうぶつインベーダー's shown. どうぶつインベーダー's advantage is update cadence (weekly vs every 2 months) and iOS requirement (10.0 vs 15.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

インベーダー J ships an update every 2 months, どうぶつインベーダー weekly. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | インベーダー J | どうぶつインベーダー |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Ad-supported |
| Size | 18 MB | 219 MB |
| Requires iOS | 15.6 | **10.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [takayuki atsumi](https://appshunter.io/developer/1495474977) | [AON SOLUTION, K.K.](https://appshunter.io/developer/1342501519) |

## What reviewers say

### インベーダー J

[App page](https://appshunter.io/ios/app/j-invaders-j/id1554028591)

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

**In-app purchases:** none


### どうぶつインベーダー

[App page](https://appshunter.io/ios/app/1vs1/id1589924241)

A classic arcade-style shooter reimagined for online 1v1 battles. Control your character by tapping left or right to move and dodge enemy attacks while aiming to hit your opponent. Earn points to redeem for rewards like Amazon gift cards and coupons.

**Highlights:** Online 1v1 multiplayer battles, Animal character-based attacks, Simple tap-to-move controls, Dodge enemy projectiles, Earn points for rewards, Competitive esports development

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is インベーダー J free?

インベーダー J is free to download, with no in-app purchases.

### Is どうぶつインベーダー free?

どうぶつインベーダー is free to download, with no in-app purchases.

### Do インベーダー J or どうぶつインベーダー have ads?

どうぶつインベーダー shows ads; インベーダー J does not.

### Which is updated more often, インベーダー J or どうぶつインベーダー?

インベーダー J ships an update every 2 months, and どうぶつインベーダー weekly. Most recently, インベーダー J was updated on October 11, 2026 and どうぶつインベーダー on October 10, 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.*