# Outreach.io vs 4DI

The clearest difference is update cadence: 4DI at every 5 days against Outreach.io's fortnightly. Outreach.io's advantage is iOS requirement (15.6 vs 18.6). 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.

Outreach.io ships an update fortnightly, 4DI every 5 days. The most recent releases landed on October 10, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Outreach.io | 4DI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (26 ratings)](https://appshunter.io/ios/app/outreachio/id6505089914/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Free | — |
| Size | 125 MB | 5 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Outreach Corporation](https://appshunter.io/developer/1450253797) | [Robert Poetzsch](https://appshunter.io/developer/1860642630) |

## What reviewers say

### Outreach.io

[App page](https://appshunter.io/ios/app/outreachio/id6505089914)

This mobile application helps sales professionals manage tasks, calls, and emails efficiently while on the go. It provides streamlined workflows for viewing and executing tasks, making calls, and accessing prospect and account details, keeping users connected to their sales process.

**Highlights:** Task management, On-the-go calling, Call recording, Call history, Email management, Prospect and account details

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

**In-app purchases:** none


### 4DI

[App page](https://appshunter.io/ios/app/4di-data-integrity-tool/id6760180866)

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

**In-app purchases:** none


## Frequently asked questions

### Is Outreach.io free?

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

### Is 4DI free?

4DI is free to download, with no in-app purchases.

### Do Outreach.io or 4DI have ads?

Neither Outreach.io nor 4DI shows ads.

### Which is updated more often, Outreach.io or 4DI?

Outreach.io ships an update fortnightly, and 4DI every 5 days. Most recently, Outreach.io was updated on October 10, 2026 and 4DI on October 19, 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.*