Comparison

Amplenote vs CoolFireSB

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

Head to head
About

Amplenote

This app offers a secure and flexible way to manage notes and tasks. It features rich footnotes, bi-directional linking, and robust sharing options, all while prioritizing data security and seamless syncing across devices. Organize your thoughts and to-dos efficiently with customizable features and offline access.

Highlights
  • Vault encrypted notes
  • Seamless syncing across devices
  • Rich footnotes with mixed media
  • Integrated notes and tasks
  • Bi-directional linking
  • Note tagging and organization
  • Offline access
Features
Read full description

*** Your security is our priority *** - Data security differentiates us from popular to-do list apps - All note contents are encrypted at rest on our servers - Notes can be Vault Encrypted with a password that's never sent to our servers - Your note content is available for download at any time *** Built on seamless syncing *** - Along with data security, accurate syncing is at our core - Designed for heavy users who often switch between the same notes on mobile and desktop - Our sync is fully compatible with Vault Notes (even though we can't decrypt their content) ***Expression is our cornerstone *** - Rich Footnotes that hold text, code, images, or all the above is our flagship feature - Easily insert images into notes, or even into text within notes - A range of the finest markdown stylings at your disposal *** Notes and tasks: better together *** - Text, code, to-do tasks, and images all live inside the same note - Tasks can be customized to recur at flexible intervals or hidden until later - Tasks are automatically removed from your to-do list when completed *** As organized as you are *** - Connect notes with bi-directional linking - Note tags allow multi-level taxonomy to organize notes - Browse these taxonomies like directories - Recreate OneNote browsing hierarchies seamlessly *** Flair for sharing *** - Any note can be instantly shared and edited by multiple parties - Publish notes (including their Rich Footnotes!) to the web with one tap - Shared to-do lists can help a team stay on top of shared responsibilities *** Built for personal productivity *** - Set up any task to repeat relative to when you last got it done - Track how much you're getting done over time with our automatic task graph - Designate tasks as "Urgent" or "Important" to use proven priority techniques *** More than ample enough for power users *** - Simplified, clean UI is efficiently functional - Contextual keyboard toolbar puts the relevant actions at your fingertips - Quick opener allows opening any recently used note in ~3 taps - *** No internet? No problem *** - Continue working offline within new or cached notes - All work will automatically sync once back online *** Ample: no more, no less *** - We won't settle for becoming bloated with non-essential features - We work across mobile and web. *** Get started instantly *** - Use our Evernote Importer to bring your notes from the olden times *** Account required *** - An active Amplenote account is required to use Amplenote. - New accounts automatically receive a 14-day free trial of the Pro plan. - At the end of the trial period, you may choose between the free plan (Personal) or one of the paid plans. - You may purchase an auto-renewing subscription through an In-App Purchase. - 1 month and 1 year durations are available for Basic, Pro, and Founder subscription levels. - Your subscription will be charged to your iTunes account at confirmation of purchase and will automatically renew (at the duration selected) unless auto-renew is turned off at least 24 hours before the end of the current period. - Current subscriptions may not be cancelled during the active subscription period; however, you can manage your subscription and/or turn off auto-renewal by visiting your iTunes Account Settings after purchase - Privacy policy: https://www.amplenote.com/privacy_policy - Terms of use: https://www.amplenote.com/terms_of_service

About

CoolFireSB

Control your CoolFire Bluetooth sweatband with this app. Set and manage vibration alarms, adjust strength, and sync settings directly to your device. Monitor vibrator activity and customize your experience.

Highlights
  • Connects with CoolFire sweatband
  • Fetches vibrator time
  • Set alarm times
  • Edit and toggle alarms
  • Adjust vibration strength
  • Sync settings to vibrator
Read full description

CoolFire Bluetooth Sweatband control app. The app connects with CoolFire sweatband. The app fetches the time of the vibrator. Alarm settings can be done on the App and then sync them to the vibrator. Users can easily edit, on/off alarms from the app as well as set the strength of vibration.

Screenshots

Amplenote4 screens
CoolFireSB4 screens

Verdict

The call

The clearest difference is review sentiment: Amplenote at 76% against CoolFireSB's 9%. Amplenote also leads on rating (4.6 vs 2.7) and update cadence (weekly vs every 4 months). CoolFireSB's advantage is in-app purchases (none vs 11). On price, ads, device support and iOS requirement 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. Amplenote sells 11 in-app purchases, starting at $7.99 per month. CoolFireSB asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Amplenote holds the better App Store score, 4.6 against 2.7. That said, the two scores are not equally well evidenced: Amplenote has 494 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 76% of Amplenote's written reviews are positive against 9% of CoolFireSB's.

UpkeepUpdate frequency

Amplenote ships an update weekly, CoolFireSB every 4 months. The most recent releases landed on October 29, 2026 and October 21, 2026 respectively.

Scorecard6 real differences · 4 level
Amplenote versus CoolFireSB: the parameters behind the verdict, then further details
ParameterAmplenoteCoolFireSB
PriceFreeFree
Rating4.6 (494 ratings) — better2.7 (10 ratings)
Positive reviews76.5% of reviews — better9.1% of reviews
Number of ratings494 — better10
Update frequencyWeekly — betterEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.4 — better15.6
Further details — not scored
Size55 MB55 MB
Age rating4+4+
DeveloperAlloy.dev, Inc.New York Standard Watch Company, LLC

Customer experience

Amplenote

All ratings493 ratings
Positive91.5%
Neutral2.0%
Negative6.5%
Written reviews170 reviews
Positive76.5%
Neutral2.9%
Negative20.6%

CoolFireSB

All ratings7 ratings
Positive57.1%
Neutral0.0%
Negative42.9%
Written reviews11 reviews
Positive9.1%
Neutral18.2%
Negative72.7%

Bugs and requests

Amplenote

Reported bugs

4 issues
  • App freezing and crashing
  • Widgets not working on iOS
  • Calendar integration issues
  • Task pane glitches on iPad

Requested features

6 requests
  • Ability to increase text size
  • Improved search functionality
  • Kanban-style task management
  • Handwriting and drawing support
  • Customizable calendar views
Show 1 more
  • Automatic event creation

CoolFireSB

Not enough reviews yet to summarise bugs or requests.

In-app purchases

11 purchases

Amplenote

Subscriptions11
  • Basic Plan - Monthly14 Days trial$7.991 Month
  • Pro Plan - Monthly14 Days trial$7.991 Month
  • Ample Agent Pro - Monthly$7.991 Month
Show 8 more
  • Pro Plan - Monthly14 Days trial$11.991 Month
  • Unlimited Plan - Monthly14 Days trial$11.991 Month
  • Founder Plan - Monthly14 Days trial$24.991 Month
  • Basic Plan - Yearly14 Days trial$69.991 Year
  • Pro Plan - Yearly14 Days trial$69.991 Year
  • Pro Plan - Yearly14 Days trial$119.991 Year
  • Unlimited Plan - Yearly14 Days trial$119.991 Year
  • Founder Plan - Yearly14 Days trial$239.991 Year
None

CoolFireSB

No in-app purchases

Questions

Is Amplenote free?
Amplenote is free to download, with in-app purchases available.
Is CoolFireSB free?
CoolFireSB is free to download, with no in-app purchases.
Which has better reviews, Amplenote or CoolFireSB?
Amplenote is rated higher. Amplenote averages 4.6 out of 5 from 494 ratings, while CoolFireSB averages 2.7 from 10 ratings.
Do Amplenote or CoolFireSB have ads?
Neither Amplenote nor CoolFireSB shows ads.
Which is updated more often, Amplenote or CoolFireSB?
Amplenote ships an update weekly, and CoolFireSB every 4 months. Most recently, Amplenote was updated on October 29, 2026 and CoolFireSB on October 21, 2026.

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