# X3 Tracker vs Rubber Bands

The clearest difference is rating: Rubber Bands at 4.7 against X3 Tracker's 3.3. Rubber Bands also leads on review sentiment (67% vs 38%) and update cadence (every 9 days vs every 3 weeks). X3 Tracker's advantage is in-app purchases (none vs 2). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Rubber Bands sells 2 in-app purchases, starting at $4.99 per month. X3 Tracker asks for nothing beyond the download.

Rubber Bands holds the better App Store score, 4.7 against 3.3. That said, the two scores are not equally well evidenced: Rubber Bands has 127 ratings behind it against 23, so its average is the more settled of the two. Written reviews point the same way: 38% of X3 Tracker's written reviews are positive against 67% of Rubber Bands's.

X3 Tracker ships an update every 3 weeks, Rubber Bands every 9 days. The most recent releases landed on September 19, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | X3 Tracker | Rubber Bands |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (23 ratings)](https://appshunter.io/ios/app/x3-tracker/id1468337128/reviews) | **[4.7 (127 ratings)](https://appshunter.io/ios/app/rubber-bands/id6478053772/reviews)** |
| Number of ratings | 23 | **127** |
| Positive reviews | 37.9% of reviews | **66.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | **Free** | Subscription |
| Size | 67 MB | 106 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [Jaquish Biomedical Corporation](https://appshunter.io/developer/1174051341) | [Rubber Bands LLC](https://appshunter.io/developer/1731554796) |

## What reviewers say

### X3 Tracker

[App page](https://appshunter.io/ios/app/x3-tracker/id1468337128)

This is the official free workout tracking tool designed for the Jaquish Biomedical X3® exercise device. It helps users log and monitor their progress while using the specialized equipment.

**Highlights:** Official workout tracking, Compatible with X3 device, Free to use, Log exercise progress

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

**In-app purchases:** none


### Rubber Bands

[App page](https://appshunter.io/ios/app/rubber-bands/id6478053772)

This app provides personalized resistance band workouts for strength, mobility, and muscle building. It features a comprehensive exercise library with video guidance, progress tracking, and support for various band types and popular systems.

**Highlights:** Personalized workout plans, Video-guided exercises, Resistance band manager, Progress tracking, Supports various band types, Integration with fitness trackers

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all features | $4.99 | per month |
| Unlock all features | $24.99 | per year |


## Frequently asked questions

### Is X3 Tracker free?

X3 Tracker is free to download, with no in-app purchases.

### Is Rubber Bands free?

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

### Which has better reviews, X3 Tracker or Rubber Bands?

Rubber Bands is rated higher. X3 Tracker averages 3.3 out of 5 from 23 ratings, while Rubber Bands averages 4.7 from 127 ratings.

### Do X3 Tracker or Rubber Bands have ads?

Neither X3 Tracker nor Rubber Bands shows ads.

### Which is updated more often, X3 Tracker or Rubber Bands?

X3 Tracker ships an update every 3 weeks, and Rubber Bands every 9 days. Most recently, X3 Tracker was updated on September 19, 2026 and Rubber Bands on September 21, 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.*