# BUILTFROMZERO TRAINING APP vs Flex Factory Gym

BUILTFROMZERO TRAINING APP and Flex Factory Gym are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

BUILTFROMZERO TRAINING APP ships an update fortnightly, Flex Factory Gym weekly. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | BUILTFROMZERO TRAINING APP | Flex Factory Gym |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Size | 75 MB | 74 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Built From Zero](https://appshunter.io/developer/1852255975) | [Tryna Get Jacked Corp](https://appshunter.io/developer/1678402631) |

## What reviewers say

### BUILTFROMZERO TRAINING APP

[App page](https://appshunter.io/ios/app/builtfromzero-training-app/id6755150902)

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

**In-app purchases:** none


### Flex Factory Gym

[App page](https://appshunter.io/ios/app/flex-factory-gym/id6803990668)

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

**In-app purchases:** none


## Frequently asked questions

### Is BUILTFROMZERO TRAINING APP free?

BUILTFROMZERO TRAINING APP is free to download, with no in-app purchases.

### Is Flex Factory Gym free?

Flex Factory Gym is free to download, with no in-app purchases.

### Do BUILTFROMZERO TRAINING APP or Flex Factory Gym have ads?

Neither BUILTFROMZERO TRAINING APP nor Flex Factory Gym shows ads.

### Which is updated more often, BUILTFROMZERO TRAINING APP or Flex Factory Gym?

BUILTFROMZERO TRAINING APP ships an update fortnightly, and Flex Factory Gym weekly. Most recently, BUILTFROMZERO TRAINING APP was updated on October 14, 2026 and Flex Factory Gym on October 7, 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.*