# Deja vs CFD Signal

The clearest difference is in-app purchases: Deja at none against CFD Signal's 2. Deja also leads on update cadence (every 4 days vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CFD Signal sells 2 in-app purchases, starting at $3.99 per month. Deja asks for nothing beyond the download.

Deja ships an update every 4 days, CFD Signal every 4 months. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Deja | CFD Signal |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 4 months |
| Size | 73 MB | 16 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JUHWAN LEE](https://appshunter.io/developer/1703441721) | [masafumi matsumoto](https://appshunter.io/developer/1866103675) |

## What reviewers say

### Deja

[App page](https://appshunter.io/ios/app/deja-chart-pattern-analysis/id6761725119)

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

**In-app purchases:** none


### CFD Signal

[App page](https://appshunter.io/ios/app/cfd-signal/id6769496079)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic | $3.99 | per month |
| Premium | $9.99 | per month |


## Frequently asked questions

### Is Deja free?

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

### Is CFD Signal free?

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

### Do Deja or CFD Signal have ads?

Neither Deja nor CFD Signal shows ads.

### Which is updated more often, Deja or CFD Signal?

Deja ships an update every 4 days, and CFD Signal every 4 months. Most recently, Deja was updated on October 2, 2026 and CFD Signal on October 1, 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.*