# DeltaMaster vs Data Signal

The clearest difference is in-app purchases: DeltaMaster at none against Data Signal's 2. DeltaMaster also leads on iOS requirement (10.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Data Signal sells 2 in-app purchases, starting at $6.99 per month. DeltaMaster asks for nothing beyond the download.

## The numbers

| Metric | DeltaMaster | Data Signal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/data-signal/id6762568651/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | — | Freemium |
| Size | 90 MB | 41 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Bissantz & Company GmbH](https://appshunter.io/developer/459444758) | [JAS Intelligence LLC](https://appshunter.io/developer/1894703753) |

## What reviewers say

### DeltaMaster

[App page](https://appshunter.io/ios/app/deltamaster/id924014410)

**Features:** macOS Compatibility

**In-app purchases:** none


### Data Signal

[App page](https://appshunter.io/ios/app/data-signal/id6762568651)

This app provides curated and scored news for professionals in Data & AI. It filters developments based on relevance to your role, offering executive briefings and market signals without ads or sponsored content.

**Highlights:** Scored articles by relevance, Executive briefings on strategic shifts, Capital market signals (funding, acquisitions), Forward-looking vendor/product signals, Role-specific focus area filtering, Covers 100+ trusted Data & AI sources

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Data Signal Premium — Monthly | $6.99 | per month |
| Data Signal Premium | $64.99 | per year |


## Frequently asked questions

### Is DeltaMaster free?

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

### Is Data Signal free?

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

### Do DeltaMaster or Data Signal have ads?

Neither DeltaMaster nor Data Signal shows ads.

---

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