Comparison

LogiScope vs Prompt Note

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

Head to head
About

LogiScope

This tool functions as a 16-channel logic analyzer, offering high sampling rates and decoding for various protocols like SPI, I2C, and UART. It enables precise event triggering, eliminating the need to sift through large data buffers.

Highlights
  • 16-channel logic analysis
  • Up to 100MSPS sampling rate
  • SPI, I2C, UART decoding
  • Parallel data decoding
  • Advanced event triggering
  • Trigger on multiple event types
Features
Read full description

HARDWARE REQUIRED FOR FULL FUNCTIONALITY LogiScope is a full functional 16 channel logic analyzer. It's capabilities include up to 100MSPS sampling rate, SPI, I2C, UART, and parallel decoding. It allows you to trigger on virtually any type of event, multiple events, a series of events from single, multiple, serial, decoded, and even parallel data. Gone are the days of capturing a massive buffer and then panning through all the data to find the event you want to analyze. LogiScope will allow you to trigger on the exact event you want to look at! Hardware can be purchased from http://www.oscium.com and includes the following: -LogiScope Accessory -2x Harness with 0.100" connectors -18x SMD Grabbers (16 channels + 2 GND) Hardware is certified to work with the following devices: - iPad mini 3 - iPad mini 2 - iPad mini - iPad Air 2 - iPad Air - iPad 4 - iPad 3 - iPad 2 - iPad - iPhone 6 Plus - iPhone 6 - iPhone 5C - iPhone 5S - iPhone 5 - iPhone 4S - iPhone 4 - iPhone 3GS - iPod touch [3rd (32GB only), 4th and 5th generation)

About

Prompt Note

Features
Read full description

Stop losing your best AI prompts in Notes. Prompt Note is a private, cross-model home for every prompt you use with ChatGPT, Claude, Gemini and Midjourney — named, organized, and ready to reuse in one tap. BUILT FOR PROMPTS, NOT NOTES • Save your prompts and organize them with folders, tags and model badges • Turn any prompt into a reusable template with {{variables}} — fill them in and copy a ready-to-use result instantly • One-tap copy, plus instant search, filter and sort by most-used • Explore 1,600+ free starter prompts by category and add any to your library PRIVATE & YOURS • Syncs across iPhone, iPad and Mac via iCloud — no account, no login, no tracking • Your prompts stay on your devices PROMPT NOTE PRO • 60+ exclusive, expert-crafted prompts in 6 packs: Cold Outreach & Sales, Content Engine, Developer Toolkit, Job Hunt, Marketing Copy and Midjourney Style Lab • Keyboard — insert any prompt into any app (Messages, Safari, ChatGPT…) without copy-paste • Unlimited library — save as many prompts and folders as you like • Locked prompts — protect sensitive prompts behind Face ID or your passcode WHY PROMPT NOTE Unlike a generic notes app, Prompt Note treats a prompt as a first-class object: titled, tagged, model-aware and parameterized. No lock-in, no clutter, no auto-renew tricks. Download free and start building your prompt library today. PRIVACY & TERMS Prompt Note does not collect, store, or transmit your prompts. Everything runs on-device and syncs only through your private iCloud. There is no analytics SDK, no telemetry, no account. You can manage or disable auto-renewal in your Account Settings after purchase. For more details, please refer to our privacy policy and terms of use. Privacy policy: https://sites.google.com/view/nguyendangnam-privacy-policy/home Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

LogiScope4 screens
Prompt Note4 screens

Verdict

The call

The clearest difference is in-app purchases: LogiScope at none against Prompt Note's 3. LogiScope also leads on iOS requirement (8.0 vs 16.0). Prompt Note's advantage is update cadence (every 4 weeks vs every 3 months). On price, ads and device support 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. Prompt Note sells 3 in-app purchases, starting at $1.99 per month. LogiScope asks for nothing beyond the download.

UpkeepUpdate frequency

LogiScope ships an update every 3 months, Prompt Note every 4 weeks. The most recent releases landed on November 1, 2026 and November 10, 2026 respectively.

Scorecard3 real differences · 7 level
LogiScope versus Prompt Note: the parameters behind the verdict, then further details
ParameterLogiScopePrompt Note
PriceFreeFree
Rating3.8 (4 ratings) — better—
Positive reviews70.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 3 monthsEvery 4 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS8.0 — better16.0
Further details — not scored
Size7 MB29 MB
Age rating4+4+
DeveloperOscium LLCDang Nam Nguyen

In-app purchases

None

LogiScope

No in-app purchases

3 purchases

Prompt Note

Subscriptions2
  • Pro Monthly$1.991 Month
  • Pro Yearly$17.991 Year
One-time1
  • Pro Lifetime$24.99

Questions

Is LogiScope free?
LogiScope is free to download, with no in-app purchases.
Is Prompt Note free?
Prompt Note is free to download, with in-app purchases available.
Do LogiScope or Prompt Note have ads?
Neither LogiScope nor Prompt Note shows ads.
Which is updated more often, LogiScope or Prompt Note?
LogiScope ships an update every 3 months, and Prompt Note every 4 weeks. Most recently, LogiScope was updated on November 1, 2026 and Prompt Note on November 10, 2026.

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