# Flex Longevity vs Step Challenge

The clearest difference is iOS requirement: Flex Longevity at 16.0 against Step Challenge's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Flex Longevity ships an update monthly, Step Challenge every 2 months. The most recent releases landed on November 8, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Flex Longevity | Step Challenge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 134 MB | 10 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Andrea Solutions](https://appshunter.io/developer/1734094747) | [BENJAMIN WAIBEL](https://appshunter.io/developer/1841582897) |

## What reviewers say

### Flex Longevity

[App page](https://appshunter.io/ios/app/flex-longevity/id6667106405)

**Features:** Apple Wallet

**In-app purchases:** none


### Step Challenge

[App page](https://appshunter.io/ios/app/step-challenge-stepmaxxer/id6788813271)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flex Longevity free?

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

### Is Step Challenge free?

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

### Do Flex Longevity or Step Challenge have ads?

Neither Flex Longevity nor Step Challenge shows ads.

### Which is updated more often, Flex Longevity or Step Challenge?

Flex Longevity ships an update monthly, and Step Challenge every 2 months. Most recently, Flex Longevity was updated on November 8, 2026 and Step Challenge on November 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.*