Comparison

BlockCertsAI vs Plain

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

BlockCertsAI

This app offers a secure virtual space powered by AI and blockchain for managing operations, credentials, and documents. It provides tools for individuals, small businesses, and enterprises to streamline workflows, enhance security, and improve collaboration.

Highlights
  • Secure virtual space technology
  • AI and blockchain integration
  • Credential verification and management
  • Secure file sharing and document storage
  • Smart contract integration
  • Streamlined business operations
  • Employee onboarding tools
Features
Read full description

Patented secure virtual space technology that provides the software platform of the future to seamlessly secure, track, collaborate, manage, and scale your operations with ease. Powered by cutting-edge AI and blockchain technologies, the BlockCertsAI simplifies your digital journey, empowering you to navigate the ever-evolving landscape of digital transformation. • Individual Professional It’s like having a new personal assistant. Manage your business from your smartphone, send secure files, and smart contracts, store documents, and track everything. • Small to Mid-Sized Get more productive: new H.R. tool to onboard employees, track your business, collaborate with everyone from home or anywhere, and you've secured your business! • Enterprise Every segment has its own activity and views the entire business to be more effective. Track everything, collaborate, and accelerate productivity. Can be tailored to your business needs. With the integration of AI and MAIAi, the BlockCertsAI provides an intelligent and intuitive user experience. It leverages AI algorithms to enhance security, privacy, and convenience for consumers. Benefits of BlockCertsAI: • Streamlined Business Management: Enhance your business operations by streamlining credential verification and onboarding processes. • Empowered Personal Assistance: Manage your personal and professional credentials with ease, gaining control over your digital identity. • AI-Enhanced Security: Safeguard your valuable credentials with AI-powered security measures, protecting your privacy and preventing unauthorized access. • Employee Onboarding Made Easy: Simplify employee onboarding by streamlining the verification of employment records and credentials. • Enterprise-Ready Solution: Scale seamlessly to support the credential management needs of organizations of all sizes. • Secure File Sharing: Share sensitive documents securely with confidence, ensuring the protection of your data. • Document Storage: Store your important documents safely and conveniently, accessible anytime, anywhere. • Smart Contract Integration: Leverage smart contracts for automated credential management, enhancing efficiency and security

About

Plain

This advanced AI-powered keyboard acts as your personal text assistant, offering features like grammar correction, translation, and tone adjustment. It helps you write, communicate, and generate text more effectively across all your applications.

Highlights
  • Grammar and spell check
  • Seamless translation
  • AI-powered answers
  • Tone adjustment
  • Text paraphrasing
  • Response generation
  • Text continuation
  • Synonym finder
Features
Read full description

Introducing Plain - AI Keyboard: Your Advanced Text Assistant! Why Plain? Plain isn't just another keyboard. It's your personal text assistant, powered by GPT-4, designed to elevate your writing experience across all apps. Whether you're chatting, working, or just exploring, Plain has got your back! FEATURES: - Grammar & Spell Check: Never second-guess your writing again! Plain automatically corrects any grammar or spelling mistakes in your text, ensuring you always put your best word forward. - Translate: Speak the global language! With Plain, your text is seamlessly translated to your desired language, with the source detected automatically. - Ask AI: Stuck on a question? Get instant answers on general knowledge topics. Just type, and let Plain provide the insights! - Tone Changer: Adapt your message to any situation. Specify a tone - be it friendly, professional, flirty, or any of our other options - and watch Plain craft your text accordingly. - Paraphrase: Say it differently, but keep the essence. Plain rephrases your text, maintaining the original tone, giving you a fresh perspective. - Reply: Never be at a loss for words. Enter a message, and Plain will generate a fitting response, making conversations smoother. - Continue Text: Extend your thoughts effortlessly. Provide a starting point, and let Plain continue your text in the same tone and context. - Find Synonyms: Expand your vocabulary! For any word you input, Plain offers a synonym, enriching your writing. Privacy & Security: Your privacy is our priority. Plain operates with transparency, ensuring your data remains secure and private. We value your trust! For any app-related queries, please send an email to info@mobiversite.com Privacy policy: https://www.mobiversite.com/privacypolicy Terms & Conditions: https://www.mobiversite.com/terms EULA: https://www.mobiversite.com/eula

Screenshots

BlockCertsAI4 screens
Plain4 screens

Verdict

The call

The clearest difference is review sentiment: BlockCertsAI at 100% against Plain's 50%. BlockCertsAI also leads on update cadence (every 3 weeks vs every 4 months). On price, ads, in-app purchases and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. BlockCertsAI sells 10 one-off in-app purchases and Plain sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

BlockCertsAI ships an update every 3 weeks, Plain every 4 months. Both last shipped on October 6, 2026.

Scorecard2 real differences · 8 level
BlockCertsAI versus Plain: the parameters behind the verdict, then further details
ParameterBlockCertsAIPlain
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews — better50.0% of reviews
Number of ratings2 — better—
Update frequencyEvery 3 weeks — betterEvery 4 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size185 MB26 MB
Age rating17+4+
DeveloperBlockCertsMOBIVERSITE YAZILIM BILISIM REKLAM VE DANISMANLIK HIZMETLERI SANAYI TICARET LIMITED STI

Customer experience

BlockCertsAI

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Plain

Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

10 purchases

BlockCertsAI

One-time10
  • Buy 10 Black BCERTs Credits$1.90
  • Buy 20 Black BCERTs Credits$3.79
  • Buy 30 Black BCERTs Credits$5.69
Show 7 more
  • Buy 50 Black BCERTs Credits$9.49
  • Buy 75 Black BCERTs Credits$14.49
  • Buy 100 Black BCERTs Credits$19.00
  • Full App Access$20.00
  • Buy 125 Black BCERTs Credits$23.90
  • Buy 150 Black BCERTs Credits$28.49
  • Buy 200 Black BCERTs Credits$38.00
3 purchases

Plain

Subscriptions3
  • 1 Week PRO$4.997 Days
  • 1 Month PRO$9.991 Month
  • 1 Year PRO$39.991 Year

Questions

Is BlockCertsAI free?
BlockCertsAI is free to download, with in-app purchases available.
Is Plain free?
Plain is free to download, with in-app purchases available.
Do BlockCertsAI or Plain have ads?
Neither BlockCertsAI nor Plain shows ads.
Which is updated more often, BlockCertsAI or Plain?
BlockCertsAI ships an update every 3 weeks, and Plain every 4 months. Most recently, BlockCertsAI was updated on October 6, 2026 and Plain on October 6, 2026.

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