# Summon Busters vs REXER：Diagonal Strategy

The clearest difference is update cadence: REXER：Diagonal Strategy at daily against Summon Busters's every 2 weeks. Summon Busters's advantage is iOS requirement (11.0 vs 15.0). On price, ads, 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.

Summon Busters ships an update every 2 weeks, REXER：Diagonal Strategy daily. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Summon Busters | REXER：Diagonal Strategy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/summon-busters/id6449024984/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Ad-supported | — |
| Size | 128 MB | 152 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Keisuke Tanaka](https://appshunter.io/developer/1518566368) | [Koji Murakami](https://appshunter.io/developer/962205061) |

## What reviewers say

### Summon Busters

[App page](https://appshunter.io/ios/app/summon-busters/id6449024984)

Engage in a deck-building rogue-like where you summon diverse characters to battle abstract "Concepts". Strategically choose from three random characters, collect items to enhance them, and build unique decks across 20 stages to achieve victory.

**Highlights:** Deck-building rogue-like gameplay, Summon over 60 characters, Collect and use 45 items, Strategic character enhancement, 20 stages of combat, Create original concept decks

**Features:** macOS Compatibility

**In-app purchases:** none


### REXER：Diagonal Strategy

[App page](https://appshunter.io/ios/app/rexerdiagonal-strategy/id6764506010)

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

**In-app purchases:** none


## Frequently asked questions

### Is Summon Busters free?

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

### Is REXER：Diagonal Strategy free?

REXER：Diagonal Strategy is free to download, with no in-app purchases.

### Do Summon Busters or REXER：Diagonal Strategy have ads?

Both Summon Busters and REXER：Diagonal Strategy show ads.

### Which is updated more often, Summon Busters or REXER：Diagonal Strategy?

Summon Busters ships an update every 2 weeks, and REXER：Diagonal Strategy daily. Most recently, Summon Busters was updated on October 7, 2026 and REXER：Diagonal Strategy on October 9, 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.*