# StepDebt vs Ambryx

The clearest difference is update cadence: StepDebt at every 5 days against Ambryx's monthly. Ambryx's advantage is iOS requirement (18.6 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. StepDebt sells 1 one-off in-app purchase and Ambryx sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

StepDebt ships an update every 5 days, Ambryx monthly. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | StepDebt | Ambryx |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Monthly |
| Size | 13 MB | 23 MB |
| Requires iOS | 26.0 | **18.6** |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [SAMUEL HORN](https://appshunter.io/developer/1821660640) | [Iso Lift, LLC](https://appshunter.io/developer/1814384999) |

## What reviewers say

### StepDebt

[App page](https://appshunter.io/ios/app/stepdebt-step-tracker/id6756528706)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StepDebt PRO | $2.99 | one-time |


### Ambryx

[App page](https://appshunter.io/ios/app/ambryx/id6758559825)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ambryx Free Trial | Free | one-time |
| StrideFlow Pro | $2.99 | one-time |


## Frequently asked questions

### Is StepDebt free?

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

### Is Ambryx free?

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

### Do StepDebt or Ambryx have ads?

Neither StepDebt nor Ambryx shows ads.

### Which is updated more often, StepDebt or Ambryx?

StepDebt ships an update every 5 days, and Ambryx monthly. Most recently, StepDebt was updated on October 8, 2026 and Ambryx on October 15, 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.*