Comparison

CircuitShepherd vs One Big Thing Journal

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

Head to head
About

CircuitShepherd

Automate electronic circuit design with AI-driven parameter optimization. Define schematics and design goals, and the software finds optimal part values in real-time. Save time on calculations and iterations with this intuitive tool.

Highlights
  • Automated parameter optimization
  • AI-driven circuit engineering
  • Real-time design goal finding
  • Intuitive user interface
  • Schematic definition
  • Part value calculation
Read full description

CircuitShepherd provides you with analog-design superpowers by doing automated parameter optimization it in realtime! It's a novel Electronic Design Automation software for AI driven electronics circuit engineering. You define an arbitrary schematic including specific design goals and CircuitShepherd will find the right part values for you. This is achieved by combining traditional circuit simulation techniques with AI driven parameter estimation algorithms and finally a simple and intuitive user interface. It’s easy to learn, fast to use and it will save you a lot of time by automating your daily calculation and iteration tasks. CircuitShepherd is free to use immediately (with very basic features). The full version with all features enabled is available via in-app purchase (subscription-based). Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.circuitshepherd.com/privacy-policy-iOS.html

About

One Big Thing Journal

Features
Read full description

Inspired by the “One Big Thing” methodology: simplify your day by committing to one meaningful task — and get it done. Key Features: • Daily Focus – Capture and complete your most important task each day in a clean, distraction-free interface • Streak Tracking – Build momentum with visual streaks and achievement milestones • Smart Reminders – Stay on track with customizable daily notifications • History Timeline – Review your progress at a glance Why it works: The One Big Thing approach cuts through overwhelm and decision fatigue by helping you focus on what matters most — one task at a time. Perfect for professionals, students, and anyone seeking to build a simple, sustainable productivity habit. Start your streak today and discover how powerful one focused action each day can be

Screenshots

CircuitShepherd4 screens
One Big Thing Journal3 screens

Verdict

The call

The clearest difference is in-app purchases: One Big Thing Journal at none against CircuitShepherd's 1. CircuitShepherd's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 17.0). On price and ads 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. CircuitShepherd sells 1 in-app purchase, starting at $6.99 per month. One Big Thing Journal asks for nothing beyond the download.

Scorecard3 real differences · 7 level
CircuitShepherd versus One Big Thing Journal: the parameters behind the verdict, then further details
ParameterCircuitShepherdOne Big Thing Journal
PriceFreeFree
Rating1.5 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 weeks—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS14.0 — better17.0
Further details — not scored
Size49 MB5 MB
Age rating4+4+
DeveloperJosef WoessTassilo von Gerlach

In-app purchases

1 purchases

CircuitShepherd

Subscriptions1
  • full version$6.991 Month
None

One Big Thing Journal

No in-app purchases

Questions

Is CircuitShepherd free?
CircuitShepherd is free to download, with in-app purchases available.
Is One Big Thing Journal free?
One Big Thing Journal is free to download, with no in-app purchases.
Do CircuitShepherd or One Big Thing Journal have ads?
Neither CircuitShepherd nor One Big Thing Journal shows ads.

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