# LuckOut Timer vs Calistx

The clearest difference is update cadence: Calistx at weekly against LuckOut Timer's every 8 months. Calistx also leads on iOS requirement (15.1 vs 17.0). On price, rating, ratings volume and ads 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 LuckOut Timer against 5.0 for Calistx. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

LuckOut Timer ships an update every 8 months, Calistx weekly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | LuckOut Timer | Calistx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/luckout-timer/id6746391662/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/calistx/id6794693740/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Weekly** |
| Monetization | Free | Free |
| Size | 11 MB | 32 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lucky Chawla](https://appshunter.io/developer/1810911725) | [Hunter Stein](https://appshunter.io/developer/6794693742) |

## What reviewers say

### LuckOut Timer

[App page](https://appshunter.io/ios/app/luckout-timer/id6746391662)

This interval timer app helps you maximize your workouts with customizable work and rest periods. It provides clear audio and haptic cues, tracks your progress, and offers full Apple Watch integration for a focused training experience.

**Highlights:** Customizable work and rest periods, Audio and haptic cues, Progress tracking, Full Apple Watch integration, Dark-themed interface, Screen stays awake during workouts

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Calistx

[App page](https://appshunter.io/ios/app/calistx/id6794693740)

This app delivers personalized calisthenics programs built by your coach. Track workouts, log progress, and access skill tutorials. It also facilitates direct communication with your coach and includes nutrition logging.

**Highlights:** Personalized daily workout plans, Workout logging with rest timer, Progress and personal record tracking, Video submission for form review, Calisthenics skill breakdown library, Direct coach messaging, Nutrition and macro tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is LuckOut Timer free?

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

### Is Calistx free?

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

### Which has better reviews, LuckOut Timer or Calistx?

LuckOut Timer and Calistx are both rated 5.0 out of 5 on the App Store, from 2 and 4 ratings respectively.

### Do LuckOut Timer or Calistx have ads?

Neither LuckOut Timer nor Calistx shows ads.

### Which is updated more often, LuckOut Timer or Calistx?

LuckOut Timer ships an update every 8 months, and Calistx weekly. Most recently, LuckOut Timer was updated on November 5, 2026 and Calistx on October 31, 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.*