# The Lab Mentor vs Functional Burn

The clearest difference is in-app purchases: The Lab Mentor at none against Functional Burn's 5. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Functional Burn sells 5 in-app purchases, starting at $19.99 per month. The Lab Mentor asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 17, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | The Lab Mentor | Functional Burn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (8 ratings)](https://appshunter.io/ios/app/functional-burn/id6743862490/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 386 MB | 133 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [TNT TRAINING S.A,](https://appshunter.io/developer/1532884074) | [FUNCTIONAL BURN LLC](https://appshunter.io/developer/1804972642) |

## What reviewers say

### The Lab Mentor

[App page](https://appshunter.io/ios/app/the-lab-mentor/id1601082860)

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

**In-app purchases:** none


### Functional Burn

[App page](https://appshunter.io/ios/app/functional-burn/id6743862490)

This app offers personalized workout and meal plans tailored to your fitness goals. Track progress, log meals, and connect with your coach via chat and video calls for real-time support. Integrates with fitness bands and health kits for comprehensive data analysis.

**Highlights:** Personalized workout plans, Customized meal plans, Nutrition, hydration, and habit tracking, 1-on-1 chat and video calls with coach, Daily check-ins and progress analytics, Wearable and Apple Health integration

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TASTE OF SUCCESS | $19.99 | per month |
| Prepárate para - Monthly | $39.99 | per month |
| Prepárate Para - 6 monthly | $229.00 | per 6 months |
| Prepárate para - Yearly | $434.99 | per year |
| IMPARABLE (Plan Anual) | $434.99 | one-time |


## Frequently asked questions

### Is The Lab Mentor free?

The Lab Mentor is free to download, with no in-app purchases.

### Is Functional Burn free?

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

### Do The Lab Mentor or Functional Burn have ads?

Neither The Lab Mentor nor Functional Burn shows ads.

### Which is updated more often, The Lab Mentor or Functional Burn?

The Lab Mentor ships an update monthly, and Functional Burn monthly. Most recently, The Lab Mentor was updated on October 17, 2026 and Functional Burn on October 20, 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.*