# invisaWear vs Surf Curve

The clearest difference is update cadence: invisaWear at every 5 months against Surf Curve's every 14 months. invisaWear also leads on iOS requirement (13 vs 17.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

invisaWear ships an update every 5 months, Surf Curve every 14 months. The most recent releases landed on November 11, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | invisaWear | Surf Curve |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (584 ratings)](https://appshunter.io/ios/app/invisawear/id1282872575/reviews)** | — |
| Number of ratings | **584** | — |
| Positive reviews | 75.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 14 months |
| Monetization | Free | — |
| Size | 43 MB | 13 MB |
| Requires iOS | **13** | 17.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [invisaWear Technologies Corporation](https://appshunter.io/developer/1282872574) | [Marina Huber](https://appshunter.io/developer/1423713746) |

## What reviewers say

### invisaWear

[App page](https://appshunter.io/ios/app/invisawear/id1282872575)

This app works with smart jewelry to provide discreet personal safety. In emergencies, it instantly contacts friends, family, and police with your location. Enjoy peace of mind with a simple button press.

**Highlights:** Discreet smart jewelry, Instant emergency contact, GPS location sharing, Medical information storage, Double-click activation, Easy alert cancellation, Long-lasting battery

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy setup and use
- 🔒 Reliable emergency response
- 👍 Discreet and stylish design
- 🚑 Provides peace of mind and safety

**What reviewers complain about**

- 🐛 Connectivity issues
- 💳 Expensive subscription
- 🔋 Battery life concerns

**Reported bugs**

- Password reset issues
- App crashes during setup

**Requested features**

- Fall detection feature
- Ability to change password
- Wider range of product options


### Surf Curve

[App page](https://appshunter.io/ios/app/surf-curve-your-surf-guide/id1522748105)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is invisaWear free?

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

### Is Surf Curve free?

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

### Do invisaWear or Surf Curve have ads?

Neither invisaWear nor Surf Curve shows ads.

### Which is updated more often, invisaWear or Surf Curve?

invisaWear ships an update every 5 months, and Surf Curve every 14 months. Most recently, invisaWear was updated on November 11, 2026 and Surf Curve on November 7, 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.*