# Stunder vs Zafely

The clearest difference is in-app purchases: Stunder at none against Zafely's 3. Zafely's advantage is update cadence (every 3 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Zafely sells 3 in-app purchases, starting at $4.99 per month. Stunder asks for nothing beyond the download.

Stunder ships an update every 2 weeks, Zafely every 3 days. The most recent releases landed on September 19, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Stunder | Zafely |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 35 MB | 48 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stunder Sverige AB](https://appshunter.io/developer/1635508029) | [Arrivals Gruppen](https://appshunter.io/developer/1838340615) |

## What reviewers say

### Stunder

[App page](https://appshunter.io/ios/app/stunder/id1635508027)

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

**In-app purchases:** none


### Zafely

[App page](https://appshunter.io/ios/app/zafely/id6752226981)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zafely Premium Monthly | $4.99 | per month |
| Zafely Premium Yearly | $39.99 | per year |
| Zafely Premium Lifetime | $199.99 | one-time |


## Frequently asked questions

### Is Stunder free?

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

### Is Zafely free?

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

### Do Stunder or Zafely have ads?

Neither Stunder nor Zafely shows ads.

### Which is updated more often, Stunder or Zafely?

Stunder ships an update every 2 weeks, and Zafely every 3 days. Most recently, Stunder was updated on September 19, 2026 and Zafely on September 6, 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.*