Comparison

Simple Cidr vs Socratus

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

Head to head
About

Simple Cidr

Features
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I often found that I didn't want a complicated calculator to translate Cidr notation into subnet mask and so fourth. So I made a simple one...

About

Socratus

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Socratus is a Personal knowledge management system that understands your notes, not just stores them. Ask questions, search by meaning, and see how your ideas connect, with AI that runs privately on your device. Think of it as your second brain, local-first and always under your control. FEATURES AI chat that answers from your own notes, with sources shown Private on-device AI that works offline Semantic and exact-word search with match scoring Interactive knowledge graph of related notes, exportable as an image Related notes ranked by similarity, with related-word tracing Distraction-free editor built for long-form thinking Markdown support and syntax highlighting Dictation, find and replace, adjustable font size, and one-tap save Structured tables with calculations and charts Daily scratchpad with Today's Notes Folders, a clear file tree, and recent files Import and read documents File-level encryption with QEncrypt Portable plain-text files with no lock-in Passwordless sign-in with a secure link WHO IT'S FOR Researchers, writers, students, developers, privacy-minded professionals, and anyone building a personal knowledge management system. PRICING Free for personal use. Professional and Enterprise licenses for commercial work. Turn your knowledge into a living system that grows with you. Socratus is a product of FiveRivers Technologies. Terms of Use (EULA): https://socratus.app/terms-of-service/ Privacy Policy: https://socratus.app/privacy-statement/

Screenshots

Simple Cidr4 screens
Socratus4 screens

Verdict

The call

The clearest difference is in-app purchases: Simple Cidr at none against Socratus's 4. Simple Cidr also leads on ads (none vs shown). Socratus's advantage is update cadence (every 3 weeks vs every 30 months). On price, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Socratus sells 4 in-app purchases, starting at $4.99 per month. Simple Cidr asks for nothing beyond the download.

UpkeepUpdate frequency

Simple Cidr ships an update every 30 months, Socratus every 3 weeks. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

Scorecard3 real differences ยท 3 level
Simple Cidr versus Socratus: the parameters behind the verdict, then further details
ParameterSimple CidrSocratus
PriceFreeFree
Update frequencyEvery 30 monthsEvery 3 weeks โ€” better
AdsNo โ€” betterYes
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPadiPhone, Mac
Requires iOS17.616.0 โ€” better
Further details โ€” not scored
Size0 MB150 MB
Age rating4+4+
DeveloperLuke PilkingtonPepper

In-app purchases

None

Simple Cidr

No in-app purchases

4 purchases

Socratus

Subscriptions4
  • Pro Monthly$4.991 Month
  • Pro Monthly$9.991 Month
  • Pro Yearly$49.991 Year
Show 1 more
  • Pro Yearly$99.991 Year

Questions

Is Simple Cidr free?
Simple Cidr is free to download, with no in-app purchases.
Is Socratus free?
Socratus is free to download, with in-app purchases available.
Do Simple Cidr or Socratus have ads?
Socratus shows ads; Simple Cidr does not.
Which is updated more often, Simple Cidr or Socratus?
Simple Cidr ships an update every 30 months, and Socratus every 3 weeks. Most recently, Simple Cidr was updated on November 7, 2026 and Socratus on November 5, 2026.

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