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Blynk Review

Depends

Should I use Blynk?

Low-code IoT platform for apps, cloud and device management - blynk.io

· 2 weeks ago

Buy if you're a commercial team shipping connected products and want low-code mobile dashboards without building an app yourself. Avoid if you're a budget hobbyist — repeated pricing changes killed many maker projects.

Confidence

Medium. Based on 30+ public sources; review and pricing snippets were truncated, so exact tier prices are unverified.

Ratings

  • Value for money
  • Ease of use
  • Feature depth
  • Support quality
  • Security posture

Pricing

$0

Free

ModelNot disclosed
Monthly feesNot disclosed
HardwareNot disclosed
Free tierYes
Plus / ProPaid subscription
EnterpriseCustom

Best for

  • Commercial IoT product teams
  • Makers prototyping ESP32/Arduino devices
  • Teams wanting white-label mobile dashboards
  • LoRaWAN deployments via The Things Industries partnership

Not for

  • Hobbyists on zero budgets — pricing shifts killed maker projects
  • Anyone relying on the discontinued free legacy platform
  • Security-critical industrial deployments without independent vetting
  • Teams needing pricing stability from their platform vendor

Gotchas - check before you buy

high

Legacy Blynk was sunset; old apps and libraries break. Migration or community self-hosting required.

high

Pricing moved to paid subscriptions; maker plans reportedly disappeared. Budget per-device fees.

medium

Commercial use requires paid tiers; free tier limits devices and features.

medium

Support quality complaints during forced migration ('left high and dry').

Pros and cons

Pros

  • Rated 4.6/5 on G2; named Leader in IoT Platforms category
  • Low-code apps for Arduino/ESP32; users call it very easy
  • Expanding partnerships: Seeed Studio, TEKTELIC, LORIOT, The Things Industries
  • Popular, widely used hardware library with broad board support
  • Beginner-friendly vs alternatives in ESP32 comparisons

Cons

  • Shift to paid subscriptions killed hobby projects
  • Legacy free platform sunset; community rebuilt self-hosted clients
  • Users report support abandonment after migration
  • Past flaws: 2018 server CVE, 2019 library disclosure
  • Paid maker subscriptions reportedly vanished without warning

Sources & method

- 10 sources - Older disclosed issues exist (2018 server CVE, 2019 library info disclosure); vendor publishes security docs; no recent critical findings in sources reviewed.

official x3review x4security x2news x1
  • CVE-2018-17785 in Blynk server, Vulnerability in blynk-server HTTP/API core disclosed in 2018.
  • Information disclosure in Blynk library, Cisco Talos disclosed an information disclosure vulnerability in the Blynk library in 2019.

Key stats

  • Value for money: 2/5

    Rating

  • $0

    Starting price

  • 10

    Sources

  • Analyzed

  • Value for money: 2/5. Hobbyists say pricing killed projects
  • Ease of use: 4/5. Users repeatedly call it easy
  • Feature depth: 4/5. G2 IoT category leader, broad features
  • Support quality: 2/5. Complaints of abandoned support cases
  • Security posture: 2/5. 2018 CVE, 2019 disclosure; docs improved
  • 4.6/5 G2 seller rating 28 reviews
  • 1M+ Users Trusted by over 1 million (App Store)
  • 2015 Founded Per company about page
  • Yes Free tier Limited; commercial use requires paid plans

Pricing

Free

$0

  • Small device count
  • Community support

Plus / Pro

Paid subscription

  • More devices
  • Commercial use allowed

Enterprise

Not disclosed

  • White-label apps
  • Large-scale deployments

Security

Older disclosed issues exist (2018 server CVE, 2019 library info disclosure); vendor publishes security docs; no recent critical findings in sources reviewed.

  • CVE-2018-17785 in Blynk serverVulnerability in blynk-server HTTP/API core disclosed in 2018.⁶
  • Information disclosure in Blynk libraryCisco Talos disclosed an information disclosure vulnerability in the Blynk library in 2019.⁷

What users say

Makers praise the ease of use but repeatedly slam the move to paid subscriptions and the legacy shutdown.

“Blynk is pretty sweet!”
Reddit, r/diyelectronics
“Blynk pricing killed my hobby projects”
Reddit, r/arduino
“I rebuilt a free, self-hosted Blynk Legacy client for iOS”
Reddit, r/iosapps
Full analysis

Based on 30+ public sources; review and pricing snippets were truncated, so exact tier prices are unverified.

Good low-code IoT platform for commercial teams; hobbyists burned by pricing shifts and legacy shutdown.

Methodology

Based on 30+ public sources; review and pricing snippets were truncated, so exact tier prices are unverified.

Read how a report is made.

Sources

  1. Blynk | Products, Reviews on G2g2.com
    review
  2. Blynk named Leader in IoT Platforms by G2blynk.io
    official
  3. Blynk pricing killed my hobby projects — Redditreddit.com
    review
  4. I rebuilt a free, self-hosted Blynk Legacy client — Redditreddit.com
    review
  5. No Support and Left high and dry — Blynk Communitycommunity.blynk.cc
    review
  6. CVE-2018-17785 in blynk-serveracunetix.com
    security
  7. Talos: Information disclosure in Blynk libraryblog.talosintelligence.com
    security
  8. Blynk and The Things Industries LoRaWAN partnershipthethingsindustries.com
    news
  9. Blynk Pricingblynk.io
    official
  10. Blynk vs ThingsBoard comparisonblynk.io
    official

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