# Predixa vs ChartLogs

The clearest difference is in-app purchases: ChartLogs at none against Predixa's 2. Predixa's advantage is ads (none vs shown) and update cadence (daily vs every 9 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Predixa sells 2 in-app purchases, starting at $19.99 per month. ChartLogs asks for nothing beyond the download.

Predixa ships an update daily, ChartLogs every 9 days. The most recent releases landed on September 25, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Predixa | ChartLogs |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 9 days |
| Size | 25 MB | 10 MB |
| Requires iOS | 18.5 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lingxiao Ma](https://appshunter.io/developer/1845498931) | [株式会社Cavemen.jp](https://appshunter.io/developer/1227633346) |

## What reviewers say

### Predixa

[App page](https://appshunter.io/ios/app/predixa/id6753886048)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $19.99 | per month |
| Yearly Pro | $179.99 | per year |


### ChartLogs

[App page](https://appshunter.io/ios/app/chartlogs/id6754192827)

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

**In-app purchases:** none


## Frequently asked questions

### Is Predixa free?

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

### Is ChartLogs free?

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

### Do Predixa or ChartLogs have ads?

ChartLogs shows ads; Predixa does not.

### Which is updated more often, Predixa or ChartLogs?

Predixa ships an update daily, and ChartLogs every 9 days. Most recently, Predixa was updated on September 25, 2026 and ChartLogs on October 12, 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.*