# SIEKG vs CanTone

The clearest difference is update cadence: CanTone at every 3 weeks against SIEKG's every 4 months. SIEKG's advantage is 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. Neither carries in-app purchases, so what you see is what you pay.

SIEKG ships an update every 4 months, CanTone every 3 weeks. The most recent releases landed on December 12, 2025 and June 4, 2026 respectively.

## The numbers

| Metric | SIEKG | CanTone |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 41 MB | 189 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sun Island Education Foundation Limited](https://appshunter.io/developer/1452183529) | [Itchi Technology Limited](https://appshunter.io/developer/1456708978) |

## What reviewers say

### SIEKG

[App page](https://appshunter.io/ios/app/siekg/id1452183530)

**Features:** macOS Compatibility

**In-app purchases:** none


### CanTone

[App page](https://appshunter.io/ios/app/cantone/id6446193535)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SIEKG free?

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

### Is CanTone free?

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

### Do SIEKG or CanTone have ads?

Neither SIEKG nor CanTone shows ads.

### Which is updated more often, SIEKG or CanTone?

SIEKG ships an update every 4 months, and CanTone every 3 weeks. Most recently, SIEKG was updated on December 12, 2025 and CanTone on June 4, 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.*