# Check US Visa Slots vs DS 복합인증

The clearest difference is update cadence: Check US Visa Slots at every 10 days against DS 복합인증's every 5 weeks. DS 복합인증's advantage is iOS requirement (13.0 vs 15.0). 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.

Check US Visa Slots ships an update every 10 days, DS 복합인증 every 5 weeks. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Check US Visa Slots | DS 복합인증 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (369 ratings)](https://appshunter.io/ios/app/check-us-visa-slots/id1628965248/reviews)** | — |
| Number of ratings | **369** | — |
| Positive reviews | 64.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 5 weeks |
| Monetization | Free | — |
| Size | 38 MB | 7 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TWIPPY TECHNOLOGIES PRIVATE LIMITED](https://appshunter.io/developer/1643138815) | [Feelanet Co., Ltd.](https://appshunter.io/developer/1195483590) |

## What reviewers say

### Check US Visa Slots

[App page](https://appshunter.io/ios/app/check-us-visa-slots/id1628965248)

This app provides real-time US visa appointment availability and alerts based on community reports. Users can set personalized preferences for dates and locations to receive notifications. It helps users track slot availability before booking through official channels.

**Highlights:** Real-time visa slot availability, Personalized date and location alerts, Community-reported data, Alert history tracking, Supported Indian locations, Mobile notifications

**Features:** Safari Extension

**In-app purchases:** none


### DS 복합인증

[App page](https://appshunter.io/ios/app/ds/id6444264843)

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

**In-app purchases:** none


## Frequently asked questions

### Is Check US Visa Slots free?

Check US Visa Slots is free to download, with no in-app purchases.

### Is DS 복합인증 free?

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

### Do Check US Visa Slots or DS 복합인증 have ads?

Neither Check US Visa Slots nor DS 복합인증 shows ads.

### Which is updated more often, Check US Visa Slots or DS 복합인증?

Check US Visa Slots ships an update every 10 days, and DS 복합인증 every 5 weeks. Most recently, Check US Visa Slots was updated on November 7, 2026 and DS 복합인증 on November 3, 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.*