# Stepwise Go vs Zafit AI

The clearest difference is in-app purchases: Stepwise Go at none against Zafit AI's 4. Zafit AI's advantage is iOS requirement (15.1 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Zafit AI sells 4 in-app purchases, starting at $9.99 per month. Stepwise Go asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Stepwise Go | Zafit AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | Every 2 days |
| Size | 11 MB | 55 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Kjetil Andersen](https://appshunter.io/developer/1895641466) | [Sivaraman Balasubramanian](https://appshunter.io/developer/1890644098) |

## What reviewers say

### Stepwise Go

[App page](https://appshunter.io/ios/app/stepwise-go/id6764105800)

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

**In-app purchases:** none


### Zafit AI

[App page](https://appshunter.io/ios/app/zafit-ai/id6767271129)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| pro monthly | $9.99 | per month |
| Zafit AI | $19.99 | per month |
| ZafitAI | $69.99 | per year |
| Zafit AI | $199.99 | per year |


## Frequently asked questions

### Is Stepwise Go free?

Stepwise Go is free to download, with no in-app purchases.

### Is Zafit AI free?

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

### Do Stepwise Go or Zafit AI have ads?

Neither Stepwise Go nor Zafit AI shows ads.

### Which is updated more often, Stepwise Go or Zafit AI?

Stepwise Go ships an update every 2 days, and Zafit AI every 2 days. Most recently, Stepwise Go was updated on October 25, 2026 and Zafit AI 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.*