# App.in.den.OP® vs SOSglasses

The clearest difference is in-app purchases: App.in.den.OP® at none against SOSglasses's 1. SOSglasses's advantage is update cadence (every 2 months vs every 17 months) and iOS requirement (11.0 vs 16.4). On price, ads and device support there is nothing between them.

Both are free to download. SOSglasses sells 1 one-off in-app purchase. App.in.den.OP® asks for nothing beyond the download.

App.in.den.OP® ships an update every 17 months, SOSglasses every 2 months. The most recent releases landed on October 3, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | App.in.den.OP® | SOSglasses |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/sosglasses/id997011622/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 5 MB | 22 MB |
| Requires iOS | 16.4 | **11.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BDC Service GmbH](https://appshunter.io/developer/627452862) | [WPTRNPT LTD.](https://appshunter.io/developer/997011621) |

## What reviewers say

### App.in.den.OP®

[App page](https://appshunter.io/ios/app/appindenop/id500191527)

**Features:** macOS Compatibility

**In-app purchases:** none


### SOSglasses

[App page](https://appshunter.io/ios/app/sosglasses/id997011622)

This app helps you read small text without your glasses. It uses augmented reality to enhance text readability in low light and bright sunlight, and offers zoom and photo capture features.

**Highlights:** Augmented reality for low light reading, Text enhancement in bright sunlight, Smooth zoom up to 15x, Photo capture for documentation, Invert text mode, Strain-free Sepia mode

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 4 -almost- Magical Features | $0.99 | one-time |


## Frequently asked questions

### Is App.in.den.OP® free?

App.in.den.OP® is free to download, with no in-app purchases.

### Is SOSglasses free?

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

### Do App.in.den.OP® or SOSglasses have ads?

Neither App.in.den.OP® nor SOSglasses shows ads.

### Which is updated more often, App.in.den.OP® or SOSglasses?

App.in.den.OP® ships an update every 17 months, and SOSglasses every 2 months. Most recently, App.in.den.OP® was updated on October 3, 2026 and SOSglasses on October 18, 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.*