Comparison

Calendar Alarm vs HyperListen

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

Head to head
About

Calendar Alarm

This app sets native iOS alarms before your calendar events, ensuring you never miss important meetings. It rings loudly even on silent mode, offering customizable offsets and a clean interface for easy event management.

Highlights
  • Native iOS alarms
  • Rings on silent mode
  • Multiple alarms per event
  • Custom offset times
  • Color-coded alarms
  • Minimalist design
Features
Read full description

Stop missing meetings. Calendar Alarm sets a real native iOS alarm before each of your calendar events — the same kind of alarm your iPhone uses to wake you up. It rings out loud even when your phone is on silent, so you'll never miss what matters. Open the app, see your day at a glance, tap SET on any event. Done. Features: • Real native iOS alarms — ring even when your phone is on silent • Multiple alarms for the same event • Custom offset times — anywhere from 1 to 60 minutes before • Alarms match the color of your calendar • Clean, minimalist design Tip: long-press SET on any event to pick a custom alarm time just for that event. Requires iOS 26.1 or later.

About

HyperListen

Features
Read full description

Turn passive listening into active retention. HyperListen is a powerful cognitive audio overlay designed to eliminate "passive listening drift." Whether you are struggling to stay focused on a dense audiobook or trying to lock into a marathon study session, HyperListen provides the auditory grounding you need to maintain a deep flow state. The Ultimate Focus Mixer HyperListen acts as a mixing board that runs on top of the apps you already use. It seamlessly plays alongside Audible, Spotify, Apple Music, and Apple Podcasts. Simply start your audiobook or personal playlist, open HyperListen, and blend in our science-backed brainwave frequencies and lo-fi textures to taste. Neuroscience Proven Cognitive Enhancement Select the exact mental state you need for the task at hand using procedurally generated isochronic tones: Gamma Mode (Peak Performance): Maximum cognitive throughput for high-level problem solving and intensive learning. Beta Mode (Creative Flow): Active, imaginative cognition to keep your momentum pushing forward. Alpha Mode (Calm Focus): Relaxed, steady concentration for sustained reading or study sessions. Key Features: Dual-Audio Engine: Plays perfectly over your external audiobooks, podcasts, and music without pausing them. Custom Vibe Control: Independent volume sliders for brainwave intensity and built-in lo-fi music tracks. Session Timer: Set your target focus duration. The audio will gently fade out once you've conquered your session. ADHD & Neurodivergent Friendly: Provides the precise background auditory stimulation required to stop your mind from wandering. Stop rewinding your audiobooks. Stop losing focus. Calibrate your tones, choose your vibe, and lock in. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Calendar Alarm2 screens
HyperListen4 screens

Verdict

The call

The clearest difference is iOS requirement: HyperListen at 13.0 against Calendar Alarm's 26.1. On price, ads, in-app purchases 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. Calendar Alarm sells 1 in-app purchase, starting at $0.29 per month and HyperListen sells 2 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference · 9 level
Calendar Alarm versus HyperListen: the parameters behind the verdict, then further details
ParameterCalendar AlarmHyperListen
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 months—
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS26.113.0 — better
Further details — not scored
Size48 MB62 MB
Age rating4+4+
DeveloperOleksii SiryiSuffica

In-app purchases

1 purchases

Calendar Alarm

Subscriptions1
  • Monthly7 Days trial$0.291 Month
2 purchases

HyperListen

Subscriptions2
  • HyperListen Weekly$1.997 Days
  • Hyper listen Annual$49.991 Year

Questions

Is Calendar Alarm free?
Calendar Alarm is free to download, with in-app purchases available.
Is HyperListen free?
HyperListen is free to download, with in-app purchases available.
Do Calendar Alarm or HyperListen have ads?
Neither Calendar Alarm nor HyperListen shows ads.

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