# シグナル vs Trade Log

The clearest difference is iOS requirement: シグナル at 15.0 against Trade Log's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

シグナル ships an update every 6 days, Trade Log every 8 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | シグナル | Trade Log |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 8 days |
| Size | 85 MB | 0 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [YINGDONG LIU](https://appshunter.io/developer/1706285656) | [keisuke haraguchi](https://appshunter.io/developer/6777524962) |

## What reviewers say

### シグナル

[App page](https://appshunter.io/ios/app/id6759820342)

**In-app purchases:** none


### Trade Log

[App page](https://appshunter.io/ios/app/trade-log-win-rate-tracker/id6799366129)

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

**In-app purchases:** none


## Frequently asked questions

### Is シグナル free?

シグナル is free to download, with no in-app purchases.

### Is Trade Log free?

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

### Do シグナル or Trade Log have ads?

Neither シグナル nor Trade Log shows ads.

### Which is updated more often, シグナル or Trade Log?

シグナル ships an update every 6 days, and Trade Log every 8 days. Most recently, シグナル was updated on October 24, 2026 and Trade Log on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*