# QUON vs CHAM

QUON and CHAM 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. Neither carries in-app purchases, so what you see is what you pay.

QUON ships an update every 48 months, CHAM every 39 months. Both last shipped on October 3, 2026.

## The numbers

| Metric | QUON | CHAM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 48 months | **Every 39 months** |
| Size | 3 MB | 3 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [shingo kamei](https://appshunter.io/developer/1256845824) | [Ryohei Oosawa](https://appshunter.io/developer/1628237823) |

## What reviewers say

### QUON

[App page](https://appshunter.io/ios/app/quon/id1621991729)

**In-app purchases:** none


### CHAM

[App page](https://appshunter.io/ios/app/chamo2lanhr/id1628237821)

**In-app purchases:** none


## Frequently asked questions

### Is QUON free?

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

### Is CHAM free?

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

### Do QUON or CHAM have ads?

Neither QUON nor CHAM shows ads.

### Which is updated more often, QUON or CHAM?

QUON ships an update every 48 months, and CHAM every 39 months. Most recently, QUON was updated on October 3, 2026 and CHAM on October 3, 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.*