# Fibr vs Stack Up

The clearest difference is update cadence: Fibr at every 3 weeks against Stack Up's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Fibr ships an update every 3 weeks, Stack Up every 4 months. The most recent releases landed on October 13, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Fibr | Stack Up |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/fibr/id6445992253/reviews)** | — |
| Number of ratings | **7** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Ad-supported | — |
| Size | 70 MB | 39 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Fibr LLC](https://appshunter.io/developer/1633119129) | [David Chabot](https://appshunter.io/developer/1827519391) |

## What reviewers say

### Fibr

[App page](https://appshunter.io/ios/app/fibr/id6445992253)

This app connects health and fitness professionals, offering a platform to build networks, find jobs, access educational content, and redeem exclusive discounts. It aims to accelerate careers and increase earning potential within the industry.

**Highlights:** Connect and build professional networks, Search and apply for industry jobs, Access accredited fitness education, Redeem exclusive gear discounts, Message and share with other professionals

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

**In-app purchases:** none


### Stack Up

[App page](https://appshunter.io/ios/app/stack-up-fitness-tracker/id6756453177)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fibr free?

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

### Is Stack Up free?

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

### Do Fibr or Stack Up have ads?

Neither Fibr nor Stack Up shows ads.

### Which is updated more often, Fibr or Stack Up?

Fibr ships an update every 3 weeks, and Stack Up every 4 months. Most recently, Fibr was updated on October 13, 2026 and Stack Up on October 19, 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.*