# SolStride Step Tracker vs Calmgraph

The clearest difference is iOS requirement: SolStride Step Tracker at 17.6 against Calmgraph's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. SolStride Step Tracker sells 1 one-off in-app purchase and Calmgraph sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

SolStride Step Tracker ships an update every 8 days, Calmgraph every 2 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SolStride Step Tracker | Calmgraph |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/solstride-step-tracker/id6753031275/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 30 MB | 10 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [udephi LLC](https://appshunter.io/developer/1806964659) | [YANGLI CHEN](https://appshunter.io/developer/1886058795) |

## What reviewers say

### SolStride Step Tracker

[App page](https://appshunter.io/ios/app/solstride-step-tracker/id6753031275)

Track daily steps, set goals, and build streaks with this clean and motivating app. Visualize progress with customizable widgets and detailed recaps, all powered by Apple Health.

**Highlights:** Step tracking from Apple Health, Customizable daily goals, Streak building and tracking, Unlockable achievements, Weekly progress recaps, Home and Lock Screen widgets, No account required

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SolStride Pro | $7.99 | one-time |


### Calmgraph

[App page](https://appshunter.io/ios/app/calmgraph-stress-and-hrv/id6790698772)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calmgraph Pro | $9.99 | one-time |


## Frequently asked questions

### Is SolStride Step Tracker free?

SolStride Step Tracker is free to download, with in-app purchases available.

### Is Calmgraph free?

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

### Do SolStride Step Tracker or Calmgraph have ads?

Neither SolStride Step Tracker nor Calmgraph shows ads.

### Which is updated more often, SolStride Step Tracker or Calmgraph?

SolStride Step Tracker ships an update every 8 days, and Calmgraph every 2 weeks. Most recently, SolStride Step Tracker was updated on October 24, 2026 and Calmgraph on October 28, 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.*