DeltaMaster vs Data Signal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DeltaMaster
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With the DeltaMaster App, we have made the patented and award-winning data navigation of DeltaMaster touch-friendly: With this app, you can read DeltaMaster reports as comfortably as viewing pictures in a photo app – anytime and everywhere. You can even use the reports offline if no network is available. Thanks to the DeltaMaster app for iPhone and iPad, you are well prepared for understanding data and making decisions on the way. DeltaMaster by Bissantz & Company is a Business Intelligence suite for analysis, planning, and reporting of business data.
Data Signal
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.
- 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
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Traditional news feeds give you the same stories recycled across sources, summarized in two sentences, mixed with ads — but don't tell you what any of it means for your team, your stack, or your vendor decisions. Data Signal is different: a mobile intelligence tool that scores, filters, and frames developments for professionals who need to act on what they learn. EVERY STORY IS SCORED Instead of reading everything and deciding later, you know what deserves your attention before you open it. Articles are evaluated on executive relevance and practitioner depth, then assigned a Signal Score from 2 to 5: Major shift (5): Could reshape how teams operate or evaluate vendors High impact (4): Worth your attention this week Notable (3): Good context for your focus area Minor update (2): Background signal, no immediate action INTELLIGENCE BUILT FOR YOUR ROLE Signal Score: Cuts through volume so you focus on what actually matters Leadership Signal: Executive briefings on strategic articles — what shifts mean for your spend, vendor decisions, and competitive positioning Capital Signal: Funding rounds, acquisitions, and market moves flagged separately — track the financial signals reshaping the vendor landscape What to Watch: Three forward-looking signals per article tied to named vendors and products Focus Area Filtering: Choose the intelligence themes that matter to your role — VPs get strategic context, engineers get tooling shifts, everyone gets relevant content WHAT WE COVER 100+ trusted sources across: AI Platforms (OpenAI, Anthropic, Google, Meta) Data Engineering (Snowflake, Databricks, dbt) Analytics & Business Intelligence (Tableau, Power BI, Looker) MLOps & LLMOps (LangChain, observability platforms) Developer AI Tooling (Cursor, GitHub Copilot) Governance, Privacy, Strategy & Market Signals Updated throughout the day — not once a morning, not buried in an inbox. Available when you need it, scored and organized for your role. NO ADS. NO SPONSORED CONTENT. JUST SIGNAL. Data Signal is a focused professional tool. We don't sell ads, accept sponsored placements, or surface content based on what advertisers want you to see. No ads between stories. No sponsored insights. Subscribers fund the product directly. SUBSCRIPTION Data Signal Premium unlocks unlimited drilldowns and full access to all sources, signals, executive briefings, and capital intelligence. Monthly: $6.99/month Annual: $64.99/year (saves over 20% vs. monthly) Free users get 3 article drilldowns per 30-days. Subscriptions auto-renew unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your iOS subscription settings. Privacy Policy: https://thedatasignal.io/privacy Terms of Service: https://thedatasignal.io/terms Support: https://thedatasignal.io/support The intelligence layer your work deserves. Get the signal that matters.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | DeltaMaster | Data Signal |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 10.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 90 MB | 41 MB |
| Age rating | 4+ | 9+ |
| Developer | Bissantz & Company GmbH | JAS Intelligence LLC |
In-app purchases
DeltaMaster
No in-app purchases
Data Signal
- Data Signal Premium — Monthly$6.991 Month
- Data Signal Premium$64.991 Year









