# AQ vs X

AQ and X are too close to call on the numbers: across 8 compared parameters — price, review sentiment, update cadence and ads among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AQ ships an update monthly, X every 2 months. The most recent releases landed on October 12, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | AQ | X |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aq/id1555865743/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | Free |
| Size | 49 MB | 63 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ItSportPlus](https://appshunter.io/developer/1418637701) | [SK STRIM, OOO](https://appshunter.io/developer/1609348421) |

## What reviewers say

### AQ

[App page](https://appshunter.io/ios/app/aq/id1555865743)

This app tracks fitness activities and analyzes health metrics to help athletes monitor their recovery and control training load. It uses heart rate variability and resting heart rate data to provide personalized insights into physical readiness for exercise.

**Highlights:** Fitness activity tracking, Health metrics analysis, Recovery monitoring, Training load control, HRV and RHR data collection, Personalized recovery insights, Integration with AQ Trainer

**Features:** macOS Compatibility

**In-app purchases:** none


### X

[App page](https://appshunter.io/ios/app/x-stream/id1609348419)

This app offers specialized training programs for athletes and fitness enthusiasts, focusing on strength, functional fitness, and conditioning. It also provides EMS training, sports recovery, and injury prevention services to enhance performance and endurance.

**Highlights:** Strength training programs, Functional fitness, Conditioning workouts, EMS training, Sports recovery, Injury prevention

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

**In-app purchases:** none


## Frequently asked questions

### Is AQ free?

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

### Is X free?

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

### Do AQ or X have ads?

Neither AQ nor X shows ads.

### Which is updated more often, AQ or X?

AQ ships an update monthly, and X every 2 months. Most recently, AQ was updated on October 12, 2026 and X on October 3, 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.*