# インベーダーズ・アウトブレイク vs RPG Dragon Spira

The clearest difference is update cadence: インベーダーズ・アウトブレイク at every 4 days against RPG Dragon Spira's every 2 months. インベーダーズ・アウトブレイク also leads on iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. インベーダーズ・アウトブレイク sells 5 one-off in-app purchases and RPG Dragon Spira sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

インベーダーズ・アウトブレイク ships an update every 4 days, RPG Dragon Spira every 2 months. The most recent releases landed on October 27, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | インベーダーズ・アウトブレイク | RPG Dragon Spira |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (30 ratings)](https://appshunter.io/ios/app/rpg-dragon-spira/id6745810506/reviews)** |
| Number of ratings | — | **30** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 250 MB | 205 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 12+ |
| Developer | [Junya Yamada](https://appshunter.io/developer/1085954036) | [Kotobuki Solution Co., Ltd.](https://appshunter.io/developer/314755636) |

## What reviewers say

### インベーダーズ・アウトブレイク

[App page](https://appshunter.io/ios/app/id6478949959)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| エナジーストーンパックA | $0.49 | one-time |
| エナジーストーンパックB | $1.99 | one-time |
| エナジーストーンパックC | $2.99 | one-time |
| 広告削除 | $2.99 | one-time |
| エナジーストーンパックD | $5.99 | one-time |


### RPG Dragon Spira

[App page](https://appshunter.io/ios/app/rpg-dragon-spira/id6745810506)

Embark on a pixel-art RPG adventure with turn-based battles and a unique board game growth system. Collect items, customize jobs, and evolve a Spirit Beast companion. Uncover ancient legends and spin the roulette to grow stronger.

**Highlights:** Nostalgic pixel-art graphics, Classic turn-based battles, Board game-style growth system, Customizable jobs, Evolving Spirit Beast companions, Unlockable Wonder Skills

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kaishin Stone x 100 | $0.99 | one-time |
| Kaishin Stone x 600 | $5.99 | one-time |
| Ad Eliminator - Dragon Spira | $9.99 | one-time |
| Kaishin Stone x 1250 | $11.99 | one-time |
| Kaishin Stone x 2600 | $23.99 | one-time |
| Kaishin Stone x 7000 | $59.99 | one-time |


## Frequently asked questions

### Is インベーダーズ・アウトブレイク free?

インベーダーズ・アウトブレイク is free to download, with in-app purchases available.

### Is RPG Dragon Spira free?

RPG Dragon Spira is free to download, with in-app purchases available.

### Do インベーダーズ・アウトブレイク or RPG Dragon Spira have ads?

Both インベーダーズ・アウトブレイク and RPG Dragon Spira show ads.

### Which is updated more often, インベーダーズ・アウトブレイク or RPG Dragon Spira?

インベーダーズ・アウトブレイク ships an update every 4 days, and RPG Dragon Spira every 2 months. Most recently, インベーダーズ・アウトブレイク was updated on October 27, 2026 and RPG Dragon Spira 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.*