# Call About vs OneCall

The clearest difference is in-app purchases: Call About at none against OneCall's 1. Call About also leads on iOS requirement (15.2 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. OneCall sells 1 in-app purchase, starting at $0.29 per month. Call About asks for nothing beyond the download.

Call About ships an update every 2 months, OneCall every 3 months. The most recent releases landed on October 13, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Call About | OneCall |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/call-about/id523417697/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 10 MB | 21 MB |
| Requires iOS | **15.2** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Roy Sharon Ltd](https://appshunter.io/developer/484845367) | [Kerem Gonlkrmaz](https://appshunter.io/developer/1882973074) |

## What reviewers say

### Call About

[App page](https://appshunter.io/ios/app/call-about/id523417697)

This utility app helps you remember conversation topics for specific contacts. Notes appear on your call screen when they call, ensuring you never forget what to discuss. It's inspired by the GTD methodology for managing your to-do lists.

**Highlights:** Contact-specific reminders, Notes appear on call screen, Manage 'To Call' list, GTD-inspired agenda management

**In-app purchases:** none


### OneCall

[App page](https://appshunter.io/ios/app/onecall-private-p2p-video/id6761677608)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.29 | per month |


## Frequently asked questions

### Is Call About free?

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

### Is OneCall free?

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

### Which is updated more often, Call About or OneCall?

Call About ships an update every 2 months, and OneCall every 3 months. Most recently, Call About was updated on October 13, 2026 and OneCall on October 25, 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.*