# Surflens vs BlownApp

The clearest difference is in-app purchases: BlownApp at none against Surflens's 2. BlownApp also leads on ads (none vs shown) and update cadence (every 3 days vs fortnightly). On price and device support there is nothing between them.

Both are free to download. Surflens sells 2 in-app purchases, starting at $7.99 per month. BlownApp asks for nothing beyond the download.

Surflens ships an update fortnightly, BlownApp every 3 days. The most recent releases landed on October 12, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Surflens | BlownApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (20 ratings)](https://appshunter.io/ios/app/surflens-ai-surf-camera/id6757678275/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Ad-supported | — |
| Size | 132 MB | 48 MB |
| Requires iOS | 26.1 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Workstories, Inc.](https://appshunter.io/developer/1580937218) | [Blown App LLC](https://appshunter.io/developer/1883253960) |

## What reviewers say

### Surflens

[App page](https://appshunter.io/ios/app/surflens-ai-surf-camera/id6757678275)

This app uses AI to automatically record your surf rides when you place your iPhone on the beach. It processes and edits clips instantly, even offline, allowing you to review and improve your surfing.

**Highlights:** AI-powered automatic wave recording, Apple Watch camera control, Instant offline clip processing, Built-in surf video editor, Optimized camera and battery performance, Session review and progress tracking

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Surflens Plus (Monthly) | $7.99 | per month |
| Surflens Plus (Yearly) | $49.99 | per year |


### BlownApp

[App page](https://appshunter.io/ios/app/blownapp/id6760212205)

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

**In-app purchases:** none


## Frequently asked questions

### Is Surflens free?

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

### Is BlownApp free?

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

### Do Surflens or BlownApp have ads?

Surflens shows ads; BlownApp does not.

### Which is updated more often, Surflens or BlownApp?

Surflens ships an update fortnightly, and BlownApp every 3 days. Most recently, Surflens was updated on October 12, 2026 and BlownApp on October 1, 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.*