# REX (Retail Excellence) vs IRI

The clearest difference is rating: IRI at 3.1 against REX (Retail Excellence)'s 2.0. IRI also leads on update cadence (every 3 weeks vs every 2 months) and review sentiment (29% vs 14%). On price, ratings volume, 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.

IRI holds the better App Store score, 3.1 against 2.0. Both are backed by a comparable volume of ratings — 29 and 21 respectively. Written reviews point the same way: 14% of REX (Retail Excellence)'s written reviews are positive against 29% of IRI's.

REX (Retail Excellence) ships an update every 2 months, IRI every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | REX (Retail Excellence) | IRI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (29 ratings)](https://appshunter.io/ios/app/rex-retail-excellence/id1081641990/reviews) | **[3.1 (21 ratings)](https://appshunter.io/ios/app/iri-data-collection/id1599573538/reviews)** |
| Number of ratings | **29** | 21 |
| Positive reviews | 14.3% of reviews | **28.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 62 MB | 35 MB |
| Requires iOS | 15.0 | **14.7** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Retail Merchandising Services](https://appshunter.io/developer/1081641989) | [Circana, Inc.](https://appshunter.io/developer/925641919) |

## What reviewers say

### REX (Retail Excellence)

[App page](https://appshunter.io/ios/app/rex-retail-excellence/id1081641990)

This app helps field representatives for a retail merchandising service manage their work. It allows them to view assigned tasks, complete in-store reports, capture photos, and submit their findings directly from their mobile device.

**Highlights:** View assigned work by location, Complete store report questionnaires, Take photos within the app, Submit reports easily, Manage scheduled services

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

**In-app purchases:** none


### IRI

[App page](https://appshunter.io/ios/app/iri-data-collection/id1599573538)

This app allows field service representatives to scan product barcodes in grocery stores. The collected data helps assess and improve product and store performance, offering job independence and flexible work.

**Highlights:** Scan product barcodes, Collect in-store product data, Assess product performance, Improve store performance, Job independence, Flexible weekly work

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is REX (Retail Excellence) free?

REX (Retail Excellence) is free to download, with no in-app purchases.

### Is IRI free?

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

### Which has better reviews, REX (Retail Excellence) or IRI?

IRI is rated higher. REX (Retail Excellence) averages 2.0 out of 5 from 29 ratings, while IRI averages 3.1 from 21 ratings.

### Do REX (Retail Excellence) or IRI have ads?

Neither REX (Retail Excellence) nor IRI shows ads.

### Which is updated more often, REX (Retail Excellence) or IRI?

REX (Retail Excellence) ships an update every 2 months, and IRI every 3 weeks. Most recently, REX (Retail Excellence) was updated on October 24, 2026 and IRI on October 24, 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.*