# Flex Food vs RoxSIM

The clearest difference is update cadence: RoxSIM at weekly against Flex Food's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Flex Food sells 1 in-app purchase, starting at $5.49 per month and RoxSIM sells 5 in-app purchases, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.

Flex Food ships an update every 3 weeks, RoxSIM weekly. The most recent releases landed on August 11, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Flex Food | RoxSIM |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 95.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Freemium | — |
| Size | 91 MB | 45 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The FlexFood App Ltd](https://appshunter.io/developer/1219900796) | [frank vitetta](https://appshunter.io/developer/429589272) |

## What reviewers say

### Flex Food

[App page](https://appshunter.io/ios/app/flex-food/id1219900797)

This app provides accurate calorie and macro tracking with intelligent meal building and extensive progress metrics. It features natural language meal entry, barcode scanning, and brand discounts. Premium features offer coach connectivity and ad removal.

**Highlights:** Verified nutritional information from large database, Intelligent and dynamic meal building, Natural language meal entry, Barcode scanning, Real-time macro and calorie adjustments, Weekly progress tracking with various metrics, Coach connect module (premium)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly premium subscription | $5.49 | per month |


### RoxSIM

[App page](https://appshunter.io/ios/app/roxsim/id6755498664)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.99 | per year |
| UK | $4.99 | per month |
| Pro Access | $49.99 | per year |
| Frank the Tank Unlock | $4.99 | one-time |
| Hyrox Pack Unlock | $7.99 | one-time |


## Frequently asked questions

### Is Flex Food free?

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

### Is RoxSIM free?

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

### Do Flex Food or RoxSIM have ads?

Neither Flex Food nor RoxSIM shows ads.

### Which is updated more often, Flex Food or RoxSIM?

Flex Food ships an update every 3 weeks, and RoxSIM weekly. Most recently, Flex Food was updated on August 11, 2026 and RoxSIM on September 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.*