# Serenity vs CalmiRhythm

The clearest difference is update cadence: Serenity at monthly against CalmiRhythm's every 7 months. Serenity also leads on iOS requirement (10.0 vs 15.6). CalmiRhythm's advantage is price ($1.99 vs $2.99). On ads, in-app purchases and device support there is nothing between them.

Serenity costs $2.99 and CalmiRhythm $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Serenity ships an update monthly, CalmiRhythm every 7 months. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Serenity | CalmiRhythm |
| --- | --- | --- |
| Price | $2.99 | **$1.99** |
| Rating | **[4.8 (210 ratings)](https://appshunter.io/ios/app/serenity-meditation-timer/id882840649/reviews)** | — |
| Number of ratings | **210** | — |
| Positive reviews | 66.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 7 months |
| Monetization | Free | — |
| Size | 49 MB | 51 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Zenoki Ltd](https://appshunter.io/developer/552797520) | [minoru edo](https://appshunter.io/developer/1568651462) |

## What reviewers say

### Serenity

[App page](https://appshunter.io/ios/app/serenity-meditation-timer/id882840649)

This app provides a customizable timer for guided meditation sessions. It features a collection of high-definition soundscapes and allows users to set specific durations for preparation, meditation, intervals, and cool-down periods. The app also offers reminders and tracks progress.

**Highlights:** Customizable session timers, 16 HD meditation tones, Vibrational alerts, Daily/weekly meditation reminders, Meditation progress statistics, Apple Health compatibility, Apple Music integration

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

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use
- ⏱️ Customizable timer for meditation stages
- 🎵 Good selection of bell and sound bowl sounds
- ✨ Minimalist design, no ads or gimmicks
- 🧘 Supports unguided meditation effectively

**What reviewers complain about**

- 🗣️ All in English (for some users)
- 🔔 Bell sounds not universally loved
- 🎵 Lack of built-in meditation music
- ⏳ Statistics can be inaccurate or not recorded
- 🐞 Bugs causing app to quit

**Reported bugs**

- App quits during meditation
- Statistics are inaccurate or not recorded
- Interval bells only ring for sessions under 9 minutes
- App does not work in the background
- Soundtrack feature not working

**Requested features**

- Ability to set more than one reminder
- Apple Watch version
- Sync between iPhone and iPad
- More presets
- Save settings


### CalmiRhythm

[App page](https://appshunter.io/ios/app/calmirhythm/id6752016985)

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

**In-app purchases:** none


## Frequently asked questions

### Is Serenity free?

Serenity costs $2.99, with no in-app purchases.

### Is CalmiRhythm free?

CalmiRhythm costs $1.99, with no in-app purchases.

### Do Serenity or CalmiRhythm have ads?

Neither Serenity nor CalmiRhythm shows ads.

### Which is updated more often, Serenity or CalmiRhythm?

Serenity ships an update monthly, and CalmiRhythm every 7 months. Most recently, Serenity was updated on November 1, 2026 and CalmiRhythm on November 4, 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.*