# 1 vs KitUS

The clearest difference is update cadence: KitUS at every 2 weeks against 1's every 5 months. 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.

1 ships an update every 5 months, KitUS every 2 weeks. The most recent releases landed on September 24, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | 1 | KitUS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (55 ratings)](https://appshunter.io/ios/app/1-voip-softphone/id1592345280/reviews)** | — |
| Number of ratings | **55** | — |
| Positive reviews | 30.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 107 MB | 30 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [1-VoIP Enhanced Services, LLC](https://appshunter.io/developer/1592345282) | [Touch Latam](https://appshunter.io/developer/1685913477) |

## What reviewers say

### 1

[App page](https://appshunter.io/ios/app/1-voip-softphone/id1592345280)

This communication app allows users to make free calls and send texts to other users of the platform. It also supports free file sharing and offers HD voice and video capabilities. Push notifications ensure you never miss a message or call.

**Highlights:** Free calling between app users, Free texting, Free file sharing, HD voice and video support, Push notifications

**In-app purchases:** none


### KitUS

[App page](https://appshunter.io/ios/app/kitus/id6736728341)

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

**In-app purchases:** none


## Frequently asked questions

### Is 1 free?

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

### Is KitUS free?

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

### Do 1 or KitUS have ads?

Neither 1 nor KitUS shows ads.

### Which is updated more often, 1 or KitUS?

1 ships an update every 5 months, and KitUS every 2 weeks. Most recently, 1 was updated on September 24, 2026 and KitUS on September 15, 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.*