# Atom vs Síclo

The clearest difference is rating: Síclo at 4.9 against Atom's 3.5. Síclo also leads on update cadence (every 9 days vs every 2 months) and ratings volume (432 vs 2). Atom's advantage is in-app purchases (none vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Síclo sells 1 in-app purchase, starting at $12.99 per month. Atom asks for nothing beyond the download.

Síclo holds the better App Store score, 4.9 against 3.5. That said, the two scores are not equally well evidenced: Síclo has 432 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 25% of Atom's written reviews are positive against 49% of Síclo's.

Atom ships an update every 2 months, Síclo every 9 days. The most recent releases landed on June 3, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Atom | Síclo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/atom/id1418360229/reviews) | **[4.9 (432 ratings)](https://appshunter.io/ios/app/siclo/id1485622852/reviews)** |
| Number of ratings | 2 | **432** |
| Positive reviews | 25.0% of reviews | **49.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 80 MB | 137 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Edgar Barba](https://appshunter.io/developer/1418360228) | [Spin Ventures S.A.P.I de C.V](https://appshunter.io/developer/1478373398) |

## What reviewers say

### Atom

[App page](https://appshunter.io/ios/app/atom/id1418360229)

This platform helps fitness centers attract and retain clients by creating measurable goals and challenges. It enables personalized routine creation, real-time progress tracking with smart devices, and automated check-ins. Users can sync data with Apple Health for more accurate insights.

**Highlights:** Client acquisition and retention tools, Goal and challenge creation, Real-time progress tracking, Personalized routine builder, Automated check-ins, Apple Health integration

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Síclo

[App page](https://appshunter.io/ios/app/siclo/id1485622852)

Access live and on-demand fitness classes from home or anywhere. Choose from a variety of disciplines including indoor cycling, boxing, cardio, yoga, barre, and functional training. Classes are available in different lengths to fit your schedule and help you achieve your fitness goals.

**Highlights:** Live and On Demand classes, Indoor Cycling, Box, Cardio, Yoga, Barre, Functional, 50+ new weekly classes, Classes from 15 to 60 minutes, Integrates with HealthKit, Classes for all levels

**Features:** Apple Wallet

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription Síclo+ | $12.99 | per month |

**What reviewers like**

- ❤️ Love for cycling and instructors
- 👍 Great content and vibe
- 🏠 Good option for home workouts
- 💯 Highly recommended app
- ✨ Passionate and optimistic instructors

**What reviewers complain about**

- 👎 Difficult to explore content
- 👎 Hard to find specific classes
- 👎 App is not user-friendly
- 👎 Cannot download videos
- 👎 Issues with booking classes

**Reported bugs**

- Cannot download videos
- App forces purchase of class packages
- App deactivates account and requires re-registration
- App deletes saved credit card information
- App does not display online classes, only in-person options

**Requested features**

- Improve app exploration and search functionality
- Add options for specific class types (pregnant, beginner, intermediate)
- Enable video downloads for offline viewing
- Allow booking for single classes
- Provide options for shorter on-demand classes (30-35 minutes)


## Frequently asked questions

### Is Atom free?

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

### Is Síclo free?

Síclo is free to download, with in-app purchases available.

### Which has better reviews, Atom or Síclo?

Síclo is rated higher. Atom averages 3.5 out of 5 from 2 ratings, while Síclo averages 4.9 from 432 ratings.

### Do Atom or Síclo have ads?

Neither Atom nor Síclo shows ads.

### Which is updated more often, Atom or Síclo?

Atom ships an update every 2 months, and Síclo every 9 days. Most recently, Atom was updated on June 3, 2026 and Síclo on September 12, 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.*