# ChartMaster vs Peekii

The clearest difference is in-app purchases: Peekii at none against ChartMaster's 4. ChartMaster's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. ChartMaster sells 4 one-off in-app purchases. Peekii asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 25, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | ChartMaster | Peekii |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | Weekly |
| Size | 5 MB | 125 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Byoungho Kim](https://appshunter.io/developer/1888452963) | [Wonjun JUNG](https://appshunter.io/developer/6782794072) |

## What reviewers say

### ChartMaster

[App page](https://appshunter.io/ios/app/chartmaster-stock-chart-class/id6768274370)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pack A: Candles+Volume+Trend | $2.99 | one-time |
| Pack B: Moving Avg+Indicators | $2.99 | one-time |
| Pack C: Patterns+Waves+Combos | $4.99 | one-time |
| Lifetime All Access | $5.99 | one-time |


### Peekii

[App page](https://appshunter.io/ios/app/peekii/id6782794070)

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

**In-app purchases:** none


## Frequently asked questions

### Is ChartMaster free?

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

### Is Peekii free?

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

### Do ChartMaster or Peekii have ads?

Peekii shows ads; ChartMaster does not.

### Which is updated more often, ChartMaster or Peekii?

ChartMaster ships an update weekly, and Peekii weekly. Most recently, ChartMaster was updated on October 25, 2026 and Peekii on October 19, 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.*