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The Data Journey | Ivo Bernardo | Substack Review

Depends

Should I use The Data Journey | Ivo Bernardo | Substack?

A Substack offering a comprehensive exploration of data science, analytics and business, curated by Ivo Bernardo. - thedatajourney.substack.com

· 1 week ago

Subscribe free if you want a solo author's take on data science and weekly AI news — it costs nothing and reads fine. Do not buy it expecting software: there is nothing to deploy, and evidence on this specific newsletter is thin, so confidence is low.

Confidence

Low. Based on ~10 public sources; most cover the Substack platform, few cover this newsletter directly — hence low confidence.

Ratings

  • Value for money
  • Ease of useNewsletter, not software; no evidence
  • Feature depthNo product features to assess
  • Support qualityNo support evidence found
  • Security posture

Pricing

$0

Free

ModelNot disclosed
Monthly feesNot disclosed
HardwareNot disclosed
Free tierYes
Paid (if author enables it)Author-set

Best for

  • Data science learners and career switchers
  • Analysts tracking weekly AI news
  • Casual readers wanting free curated content

Not for

  • Teams shopping for analytics software — this is a newsletter
  • Anyone needing tooling, integrations, or admin controls
  • Enterprises wanting vendor-grade security guarantees

Gotchas - check before you buy

high

Substack breach exposed users' emails and phone numbers; notifications sent February 2026

medium

Substack in-app prices can display inflated versus web pricing

low

Substack takes a 10% cut of any paid subscriptions

low

No security page found for this newsletter's site

Pros and cons

Pros

  • Covers data science, analytics and business in one place
  • Author publishes regular weekly AI digests on Substack and Medium
  • Free to read; Substack starts at $0

Cons

  • Not a product — nothing to deploy, integrate, or administer
  • Small independent publication; only hundreds of subscribers
  • No dedicated security page found on the site
  • Sits on Substack, which disclosed a subscriber-data breach

Sources & method

- 10 sources - No product-specific findings; the underlying Substack platform confirmed a 2026 breach exposing user emails and phone numbers.

official x2review x4security x2news x2
  • Substack data breach, Substack confirmed a data breach exposing users' emails and phone numbers, with user notifications reported in February 2026.

Key stats

  • Value for money: 4/5

    Rating

  • $0

    Starting price

  • 10

    Sources

  • Analyzed

  • Value for money: 4/5. Free to read; Substack takes 10% of paid
  • Ease of use. Newsletter, not software; no evidence
  • Feature depth. No product features to assess
  • Support quality. No support evidence found
  • Security posture: 2/5. Substack breach exposed emails and phone numbers
  • Hundreds Subscribers per its own Substack page
  • $0 Starting price Substack is free to start
  • Yes Free tier Substack takes 10% on paid subs

Pricing

Free

$0

  • Read all free posts
  • Optional paid upgrade

Paid (if author enables it)

Author-set

  • Substack takes 10% cut
  • In-app prices reported up to +45% higher

Security

No product-specific findings; the underlying Substack platform confirmed a 2026 breach exposing user emails and phone numbers.

  • Substack data breachSubstack confirmed a data breach exposing users' emails and phone numbers, with user notifications reported in February 2026.⁶

What users say

No independent user reviews of this specific newsletter surfaced in the sources reviewed.

Alternatives

Compare The Data Journey | Ivo Bernardo | Substack with each alternative.

Full analysis

Based on ~10 public sources; most cover the Substack platform, few cover this newsletter directly — hence low confidence.

A solo data-science newsletter, not software. Free to read, thin evidence, Substack had a 2026 breach. Fine to subscribe.

Methodology

Based on ~10 public sources; most cover the Substack platform, few cover this newsletter directly — hence low confidence.

Read how a report is made.

Sources

  1. The Data Journey — Substackthedatajourney.substack.com
    official
  2. The Data Journey — Security pagethedatajourney.substack.com
    official
  3. Weekly AI Digest — Ivo Bernardo, Mediumivopbernardo.medium.com
    news
  4. Substack Review 2026 — Features, Pricing & Alternativescontentmation.com
    review
  5. Beehiiv vs Substack 2026 — Costs Comparedbuiltbyfoundry.io
    review
  6. Substack data breach exposed users' emails and phone numbersgnnhd.tv
    security
  7. Substack discloses data breach to userscooltechzone.com
    security
  8. Substack in-app prices inflated (+45%) — Redditreddit.com
    review
  9. Substack — 2026 Company Profile & Teamtracxn.com
    news
  10. Data Science Weekly — Issue 484datascienceweekly.substack.com
    review

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