# KAGIBAN vs Quick sum

KAGIBAN and Quick sum are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. KAGIBAN sells 2 one-off in-app purchases and Quick sum sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

KAGIBAN ships an update every 10 months, Quick sum every 12 months. The most recent releases landed on October 13, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | KAGIBAN | Quick sum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (9 ratings)](https://appshunter.io/ios/app/quick-sum-maths-challenge-game/id1424248630/reviews)** |
| Number of ratings | — | **9** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 12 months |
| Monetization | — | Free with in-app purchases |
| Size | 6 MB | 23 MB |
| Requires iOS | 9.3 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hiroyuki Sasayama](https://appshunter.io/developer/713453961) | [Hirakumar Patel](https://appshunter.io/developer/1253868312) |

## What reviewers say

### KAGIBAN

[App page](https://appshunter.io/ios/app/kagiban/id772300173)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |
| All:150 STAGEs | $1.99 | one-time |


### Quick sum

[App page](https://appshunter.io/ios/app/quick-sum-maths-challenge-game/id1424248630)

Enhance your addition skills with this engaging math puzzle game. Connect numbers to reach target sums against the clock, with increasing difficulty as your score grows. Perfect for brain training and puzzle enthusiasts.

**Highlights:** Addition skill builder, Number connection gameplay, Timed challenges, Increasing difficulty, Brain training puzzles

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $0.99 | one-time |


## Frequently asked questions

### Is KAGIBAN free?

KAGIBAN is free to download, with in-app purchases available.

### Is Quick sum free?

Quick sum is free to download, with in-app purchases available.

### Do KAGIBAN or Quick sum have ads?

Neither KAGIBAN nor Quick sum shows ads.

### Which is updated more often, KAGIBAN or Quick sum?

KAGIBAN ships an update every 10 months, and Quick sum every 12 months. Most recently, KAGIBAN was updated on October 13, 2026 and Quick sum on October 17, 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.*