# 1NUMBER vs Cally cordless

The clearest difference is iOS requirement: Cally cordless at 13.0 against 1NUMBER's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 1NUMBER | Cally cordless |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cally-cordless/id1510754040/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Free |
| Size | 37 MB | 81 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [XSTREAM s.r.l.](https://appshunter.io/developer/1441638020) | [IPKOM](https://appshunter.io/developer/1503706239) |

## What reviewers say

### 1NUMBER

[App page](https://appshunter.io/ios/app/1number/id1441638021)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cally cordless

[App page](https://appshunter.io/ios/app/cally-cordless/id1510754040)

Transform your smartphone into a desk extension for your company's PBX system. Seamlessly integrate your mobile device with your office phone network for enhanced communication. Requires a license for the associated CallY software.

**Highlights:** Use smartphone as desk extension, Integrates with company switchboard, Requires CallY software license, Mobile PBX functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is 1NUMBER free?

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

### Is Cally cordless free?

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

### Do 1NUMBER or Cally cordless have ads?

Neither 1NUMBER nor Cally cordless shows ads.

### Which is updated more often, 1NUMBER or Cally cordless?

1NUMBER ships an update every 2 months, and Cally cordless every 2 months. Most recently, 1NUMBER was updated on November 11, 2026 and Cally cordless 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.*