# ASMR vs Calsy

The clearest difference is iOS requirement: ASMR at 10.3 against Calsy's 15.2. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for ASMR against 5.0 for Calsy. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Both ship on a similar rhythm, roughly monthly. Both last shipped on November 3, 2026.

## The numbers

| Metric | ASMR | Calsy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/asmr-study-sleep-meditation/id1485271623/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/calsy-smart-quick-simple/id1624719076/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | Free |
| Size | 15 MB | 25 MB |
| Requires iOS | **10.3** | 15.2 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [won jun lee](https://appshunter.io/developer/949185623) | [Salvador Garcia Bernal](https://appshunter.io/developer/1623605487) |

## What reviewers say

### ASMR

[App page](https://appshunter.io/ios/app/asmr-study-sleep-meditation/id1485271623)

This app offers a variety of sounds designed to aid in studying, sleeping, and meditation. It features brainwave-imitating sounds and ambient noises like rain and wood fire. Users can play sounds in the background and set timers for automatic shut-off.

**Highlights:** Study sounds, Sleep sounds, Meditation sounds, Brainwave imitation sounds, Ambient nature sounds, Background audio playback, Automatic shut-off timer

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Calsy

[App page](https://appshunter.io/ios/app/calsy-smart-quick-simple/id1624719076)

This versatile calculator offers a minimalist interface with powerful functionality for everyday calculations. It includes features for exploring facts, calculating gas performance, mastering price increases, converting temperatures and lengths, estimating paint needs, and simplifying number conversions.

**Highlights:** Explore interesting facts, Calculate gas performance and cost, Master price increases and percentages, Convert temperatures and lengths, Calculate paint and garden volume, Simplify number system conversions, Estimate file transfer time

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ASMR free?

ASMR is free to download, with no in-app purchases.

### Is Calsy free?

Calsy is free to download, with no in-app purchases.

### Which has better reviews, ASMR or Calsy?

ASMR and Calsy are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do ASMR or Calsy have ads?

Neither ASMR nor Calsy shows ads.

### Which is updated more often, ASMR or Calsy?

ASMR ships an update monthly, and Calsy monthly. Most recently, ASMR was updated on November 3, 2026 and Calsy on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*