# Billbop Inventory vs Greyer

The clearest difference is review sentiment: Billbop Inventory at 100% against Greyer's 25%. Billbop Inventory also leads on rating (5.0 vs 3.9) and device support (3 vs 1). On price, ratings volume, update cadence and ads there is nothing between them.

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

Billbop Inventory holds the better App Store score, 5.0 against 3.9. Both are backed by a comparable volume of ratings — 6 and 15 respectively. Written reviews point the same way: 100% of Billbop Inventory's written reviews are positive against 25% of Greyer's.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Billbop Inventory | Greyer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/billbop-inventory/id6745863707/reviews)** | [3.9 (15 ratings)](https://appshunter.io/ios/app/greyer-smart-ai-assistant/id6797496033/reviews) |
| Number of ratings | 6 | **15** |
| Positive reviews | **100.0% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free | Free |
| Size | 40 MB | 89 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Justin Parus](https://appshunter.io/developer/1136529823) | [GREYER LLC](https://appshunter.io/developer/6824986175) |

## What reviewers say

### Billbop Inventory

[App page](https://appshunter.io/ios/app/billbop-inventory/id6745863707)

Manage your inventory with ease using this comprehensive solution. Track items, scan barcodes, set alerts for low stock or expirations, and manage purchase orders. Offers unlimited SKUs, locations, and users with automatic syncing across devices.

**Highlights:** Unlimited SKUs, locations, and users, Barcode scanning, Low stock and expiration alerts, Purchase order tracking, Document and photo attachments, Automatic syncing across devices, Customizable user access

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

**In-app purchases:** none


### Greyer

[App page](https://appshunter.io/ios/app/greyer-smart-ai-assistant/id6797496033)

This AI assistant helps you capture thoughts, organize notes, and manage tasks using voice commands. It integrates with your email and calendar to provide timely suggestions and reminders, keeping your day under control.

**Highlights:** Voice-based idea capture, Structured notes and to-dos, Customizable reminders, Email and calendar integration, Proactive suggestions, Smart cap compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Billbop Inventory free?

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

### Is Greyer free?

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

### Which has better reviews, Billbop Inventory or Greyer?

Billbop Inventory is rated higher. Billbop Inventory averages 5.0 out of 5 from 6 ratings, while Greyer averages 3.9 from 15 ratings.

### Do Billbop Inventory or Greyer have ads?

Neither Billbop Inventory nor Greyer shows ads.

### Which is updated more often, Billbop Inventory or Greyer?

Billbop Inventory ships an update every 2 weeks, and Greyer every 2 weeks. Most recently, Billbop Inventory was updated on November 5, 2026 and Greyer on November 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*