REX (Retail Excellence) vs ShelfWatch
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
REX (Retail Excellence)
This app helps field representatives for a retail merchandising service manage their work. It allows them to see assigned tasks, fill out in-store reports, capture images, and submit their work directly from their mobile device.
- View assigned work by location
- Complete store report questionnaires
- Take photos within the app
- Submit reports easily
- Manage retail merchandising tasks
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REX (Retail Excellence) is a mobile application for Retail Merchandising Services, Inc. field representatives that allows them to view their assigned work and complete reports in store. This allows reps to easily view their scheduled services by location, complete their store report questionnaires, take photos, and submit reports.
ShelfWatch
This app uses advanced image recognition to analyze retail shelves. Merchandisers can capture shelf photos to receive reports on stock levels, compliance, and product placement for immediate store improvements.
- Image recognition for product identification
- Share of Shelf analysis
- Out of Stock detection
- Planogram compliance checks
- Point of Sales material monitoring
- Offline photo processing
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ParallelDots' state-of-the-art mobile application, ShelfWatch is built on leading-edge image recognition algorithms to identify products on the retail shelf. ShelfWatch allows merchandisers and sales reps to take a photo of the retail shelf, upload it to ParallelDots cloud and quickly get an actionable report on immediate corrective actions to be taken in the store ShelfWatch delivers the following KPIs in the mobile report: 1. Share of Shelf 2. Out of Stock 3. Planogram Compliance 4. Point of Sales Materials presence and compliance Key features of ShelfWatch are: - Integration with route plans - Questionnaires and surveys - Offline blur and angle detection in photos - Image stitching - Historical store data Note: To use the ParallelDots ShelfWatch mobile app with your business data, you must have an annual subscription of ParallelDots ShelfWatch, with mobile services enabled by our customer success team.
Screenshots
Verdict
The clearest difference is rating: REX (Retail Excellence) at 2.0 against ShelfWatch's 1.4. REX (Retail Excellence) also leads on monetization model (free vs subscription) and review sentiment (14% vs 0%). ShelfWatch's advantage is update cadence (every 3 weeks vs every 2 months) and iOS requirement (13.0 vs 15.0). On price, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
REX (Retail Excellence) holds the better App Store score, 2.0 against 1.4. Both are backed by a comparable volume of ratings — 29 and 20 respectively. Written reviews point the same way: 14% of REX (Retail Excellence)'s written reviews are positive against 0% of ShelfWatch's.
REX (Retail Excellence) ships an update every 2 months, ShelfWatch every 3 weeks. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | REX (Retail Excellence) | ShelfWatch |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (29 ratings) — better | 1.4 (20 ratings) |
| Positive reviews | 14.3% of reviews — better | 0.0% of reviews |
| Number of ratings | 29 — better | 20 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Subscription |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 57 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Retail Merchandising Services | ParallelDots, Inc. |
Customer experience
REX (Retail Excellence)
ShelfWatch
In-app purchases
REX (Retail Excellence)
No in-app purchases
ShelfWatch
No in-app purchases
Questions
Is REX (Retail Excellence) free?
Is ShelfWatch free?
Which has better reviews, REX (Retail Excellence) or ShelfWatch?
Do REX (Retail Excellence) or ShelfWatch have ads?
Which is updated more often, REX (Retail Excellence) or ShelfWatch?
Other comparisons
