# XLNTBrain Mobile vs Go4

The clearest difference is rating: Go4 at 4.3 against XLNTBrain Mobile's 2.3. Go4 also leads on ratings volume (92 vs 12) and iOS requirement (9.0 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Go4 holds the better App Store score, 4.3 against 2.3. That said, the two scores are not equally well evidenced: Go4 has 92 ratings behind it against 12, so its average is the more settled of the two.

XLNTBrain Mobile ships an update every 6 weeks, Go4 every 2 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | XLNTBrain Mobile | Go4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (12 ratings)](https://appshunter.io/ios/app/xlntbrain-mobile/id807401179/reviews) | **[4.3 (92 ratings)](https://appshunter.io/ios/app/go4/id1186370661/reviews)** |
| Number of ratings | 12 | **92** |
| Positive reviews | — | 75.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 24 MB | 22 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [XLNTBrain, LLC](https://appshunter.io/developer/1728875060) | [Go4ellis LLC](https://appshunter.io/developer/1186370660) |

## What reviewers say

### XLNTBrain Mobile

[App page](https://appshunter.io/ios/app/xlntbrain-mobile/id807401179)

This app provides tools for concussion management, including sideline assessments, balance tests, and symptom checklists for athletes. It allows for the management of athletes, teams, and concussion incidents, with full integration to a web platform for comprehensive tracking and care planning.

**Highlights:** Sideline assessment tool, SCAT 6 assessment, Balance testing, Symptom checklists, Athlete and team management, Concussion incident tracking, Health plan access

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

**In-app purchases:** none


### Go4

[App page](https://appshunter.io/ios/app/go4/id1186370661)

This app connects athletic trainers with per diem and travel job opportunities across various settings like schools and athletic organizations. It facilitates easy job searching, direct deposit payments, and includes built-in EMR documentation. Users can also manage their professional credentials and insurance.

**Highlights:** Find per diem and travel jobs, Direct deposit payments, Built-in EMR documentation, Purchase professional liability insurance, Manage job preferences and credentials

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

**In-app purchases:** none

**What reviewers like**

- 👍 User-friendly and easy to use
- 💰 Great for earning extra income
- 🗓️ Flexible scheduling for events
- 🤝 Facilitates professional relationships
- ✅ Helpful for tax documentation

**What reviewers complain about**

- 🐛 App crashes and signs out randomly
- 🐛 App not opening after update
- 🐛 Always logging users out
- 📉 Frequent waitlisting for jobs
- 🤷 Job posters seem inconsistent

**Reported bugs**

- App crashes and signs out randomly
- App crashes when clicking job posting tab
- App not opening after recent update
- App always logging users out
- Waitlisted immediately after applying

**Requested features**

- Compensation for last-minute cancellations by event coordinators
- Add to calendar function
- Ability to rate employees or provide feedback on cancelled events
- Ability to charge banking fees to the host
- Easier interface for adding credentials


## Frequently asked questions

### Is XLNTBrain Mobile free?

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

### Is Go4 free?

Go4 is free to download, with no in-app purchases.

### Which has better reviews, XLNTBrain Mobile or Go4?

Go4 is rated higher. XLNTBrain Mobile averages 2.3 out of 5 from 12 ratings, while Go4 averages 4.3 from 92 ratings.

### Do XLNTBrain Mobile or Go4 have ads?

Neither XLNTBrain Mobile nor Go4 shows ads.

### Which is updated more often, XLNTBrain Mobile or Go4?

XLNTBrain Mobile ships an update every 6 weeks, and Go4 every 2 months. Most recently, XLNTBrain Mobile was updated on October 26, 2026 and Go4 on October 24, 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.*