# Ambryx vs Pacer

The clearest difference is price: Ambryx at Free against Pacer's $3.99. Pacer's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 18.6). On update cadence, ads and device support there is nothing between them.

Ambryx is free to download; Pacer costs $3.99 up front. Ambryx sells 2 one-off in-app purchases. Pacer asks for nothing beyond the download.

Ambryx ships an update monthly, Pacer every 2 months. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Ambryx | Pacer |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pacer-hourly-step-tracker/id6763723953/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 23 MB | 2 MB |
| Requires iOS | 18.6 | **13.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Iso Lift, LLC](https://appshunter.io/developer/1814384999) | [Aditya Gupta](https://appshunter.io/developer/1895458282) |

## What reviewers say

### 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 |


### Pacer

[App page](https://appshunter.io/ios/app/pacer-hourly-step-tracker/id6763723953)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Ambryx free?

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

### Is Pacer free?

Pacer costs $3.99, with no in-app purchases.

### Do Ambryx or Pacer have ads?

Neither Ambryx nor Pacer shows ads.

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

Ambryx ships an update monthly, and Pacer every 2 months. Most recently, Ambryx was updated on October 15, 2026 and Pacer on October 24, 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.*