# Foom vs Four Shields

The clearest difference is update cadence: Foom at daily against Four Shields's every 3 days. Four Shields's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Foom sells 2 in-app purchases, starting at $6.99 per month and Four Shields sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Foom ships an update daily, Four Shields every 3 days. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Foom | Four Shields |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/foom/id6763370821/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 days |
| Monetization | Freemium | — |
| Size | 3 MB | 90 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Algorithmic Research Group](https://appshunter.io/developer/1890883466) | [Blain Bertrand](https://appshunter.io/developer/6796352076) |

## What reviewers say

### Foom

[App page](https://appshunter.io/ios/app/foom/id6763370821)

This app provides a structured approach to fitness and nutrition tracking, focusing on tangible progress and personal commitment. It helps users log workouts, track meals with photo recognition, and set personal goals without social pressure or ads.

**Highlights:** Workout planning and logging, Meal tracking with photo recognition, Proof photos for personal progress, Six-week chapter recaps, Keystone commitment setting, Private by default, iCloud sync

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $6.99 | per month |
| Pro Yearly | $49.99 | per year |


### Four Shields

[App page](https://appshunter.io/ios/app/four-shields/id6808653307)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Four Shields Premium Monthly | $5.99 | per month |
| Four Shields Premium Annual | $44.99 | per year |


## Frequently asked questions

### Is Foom free?

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

### Is Four Shields free?

Four Shields is free to download, with in-app purchases available.

### Do Foom or Four Shields have ads?

Neither Foom nor Four Shields shows ads.

### Which is updated more often, Foom or Four Shields?

Foom ships an update daily, and Four Shields every 3 days. Most recently, Foom was updated on October 2, 2026 and Four Shields on October 10, 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.*