# Sync Spin vs BeastInterval

The clearest difference is in-app purchases: Sync Spin at none against BeastInterval's 5. Sync Spin also leads on rating (5.0 vs 4.8) and device support (3 vs 1). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. BeastInterval sells 5 in-app purchases, starting at $0.99 per 7 days. Sync Spin asks for nothing beyond the download.

Sync Spin holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 10 and 5 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Sync Spin ships an update monthly, BeastInterval every 3 weeks. The most recent releases landed on September 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Sync Spin | BeastInterval |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/sync-spin/id6739968248/reviews)** | [4.8 (5 ratings)](https://appshunter.io/ios/app/beastinterval-interval-timer/id6744288215/reviews) |
| Number of ratings | **10** | 5 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 27 MB | 33 MB |
| Requires iOS | 17.0 | 17 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Richard Witherspoon](https://appshunter.io/developer/1690898003) | [MefjuDev LLC](https://appshunter.io/developer/1777787735) |

## What reviewers say

### Sync Spin

[App page](https://appshunter.io/ios/app/sync-spin/id6739968248)

This app enhances indoor cycling workouts by connecting to Echelon smart bikes. It provides real-time metrics, detailed summaries, and historical insights to help users track progress and achieve fitness goals.

**Highlights:** Real-time metrics tracking, Detailed workout summaries, HealthKit integration, Interactive charts, Historical insights, Customizable dashboard

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

**In-app purchases:** none


### BeastInterval

[App page](https://appshunter.io/ios/app/beastinterval-interval-timer/id6744288215)

This interval timer app is designed for athletes and fitness enthusiasts to track HIIT workouts. It offers customizable routines, detailed progress tracking, and achievements to help users train smarter and stay consistent.

**Highlights:** 18 premade workout plans, Customizable routines, Detailed history and stats, Achievements for consistency, 7-day activity charts, iCloud sync

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.99 | per 7 days |
| Monthly | $2.99 | per month |
| 3 Months | $7.99 | per 3 months |
| Yearly | $14.99 | per year |
| BeastInterval Pro | $4.99 | one-time |


## Frequently asked questions

### Is Sync Spin free?

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

### Is BeastInterval free?

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

### Which has better reviews, Sync Spin or BeastInterval?

Sync Spin is rated higher. Sync Spin averages 5.0 out of 5 from 10 ratings, while BeastInterval averages 4.8 from 5 ratings.

### Do Sync Spin or BeastInterval have ads?

Neither Sync Spin nor BeastInterval shows ads.

### Which is updated more often, Sync Spin or BeastInterval?

Sync Spin ships an update monthly, and BeastInterval every 3 weeks. Most recently, Sync Spin was updated on September 25, 2026 and BeastInterval on October 7, 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.*