# Selfloops Spark vs X4 MidCity

The clearest difference is in-app purchases: X4 MidCity at none against Selfloops Spark's 1. X4 MidCity also leads on iOS requirement (15 vs 18.0). Selfloops Spark's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Selfloops Spark sells 1 in-app purchase, starting at $69.99 per year. X4 MidCity asks for nothing beyond the download.

## The numbers

| Metric | Selfloops Spark | X4 MidCity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (13 ratings)](https://appshunter.io/ios/app/selfloops-spark/id1282997660/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 25.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 46 MB | 83 MB |
| Requires iOS | 18.0 | **15** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SelfLoops](https://appshunter.io/developer/911739721) | [PushPress, Inc.](https://appshunter.io/developer/688595778) |

## What reviewers say

### Selfloops Spark

[App page](https://appshunter.io/ios/app/selfloops-spark/id1282997660)

This app helps athletes and fitness enthusiasts track, analyze, and optimize their workouts. It offers personalized training plans, goal setting, and performance insights. Connect with coaches and other users for motivation and feedback.

**Highlights:** Workout tracking and analysis, Fitness challenges and goal setting, Personalized training plans, Heart rate monitoring, RPE logging, Data syncing with Apple Health, Advanced performance analytics

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Athlete Premium | $69.99 | per year |


### X4 MidCity

[App page](https://appshunter.io/ios/app/x4-midcity/id6754660928)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Selfloops Spark free?

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

### Is X4 MidCity free?

X4 MidCity is free to download, with no in-app purchases.

### Do Selfloops Spark or X4 MidCity have ads?

X4 MidCity shows ads; Selfloops Spark does not.

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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.*