# LINK_O vs Fill To

The clearest difference is iOS requirement: Fill To at 12.0 against LINK_O's 15.1. 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.

## The numbers

| Metric | LINK_O | Fill To |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 56.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 days | — |
| Monetization | Ad-supported | — |
| Size | 67 MB | 31 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HIVIS.inc](https://appshunter.io/developer/1601345844) | [HyunJoon Kang](https://appshunter.io/developer/1831281544) |

## What reviewers say

### LINK_O

[App page](https://appshunter.io/ios/app/link-o/id1601345842)

This app simplifies CrossFit box membership registration and class booking. It allows users to manage exercise records, track body composition, and discover local CrossFit events. Stay connected with your fitness community and streamline your gym experience.

**Highlights:** Quick CrossFit box registration, Instant class reservation, Exercise and WOD record management, Body composition tracking, Event discovery and participation

**Features:** macOS Compatibility

**In-app purchases:** none


### Fill To

[App page](https://appshunter.io/ios/app/fill-to/id6749581145)

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

**In-app purchases:** none


## Frequently asked questions

### Is LINK_O free?

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

### Is Fill To free?

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

### Do LINK_O or Fill To have ads?

Neither LINK_O nor Fill To shows ads.

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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.*