# Inventory Bot vs Grail AI

The clearest difference is rating: Grail AI at 5.0 against Inventory Bot's 4.4. Grail AI also leads on in-app purchases (none vs 4) and update cadence (every 4 days vs every 5 weeks). Inventory Bot's advantage is ratings volume (211 vs 2) and chart position (#96 vs unranked). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Inventory Bot sells 4 in-app purchases, starting at $4.99 per month. Grail AI asks for nothing beyond the download.

Grail AI holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Inventory Bot has 211 ratings behind it against 2, so its average is the more settled of the two.

Inventory Bot ships an update every 5 weeks, Grail AI every 4 days. The most recent releases landed on October 27, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Inventory Bot | Grail AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (211 ratings)](https://appshunter.io/ios/app/inventory-bot/id1599747004/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/grail-ai/id6791727793/reviews)** |
| Number of ratings | **211** | 2 |
| Positive reviews | 64.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#96** | — |
| Size | 84 MB | 15 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [Inventory Bot](https://appshunter.io/developer/1599747186) | [Tom Wang](https://appshunter.io/developer/6791727945) |

## What reviewers say

### Inventory Bot

[App page](https://appshunter.io/ios/app/inventory-bot/id1599747004)

**Currently charting:** #96 Top Grossing · Shopping (US App Store)

This app monitors major retailers for hard-to-find and in-demand products, providing real-time restock notifications. It can also automatically purchase items for you with a subscription and offers custom tracking for any product via URL.

**Highlights:** Real-time restock notifications, Automated product purchasing (subscription), Custom product tracking via URL, Monitors major retailers, Tracks collectibles, electronics, toys, and more, Eliminates manual website refreshing

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Base Notifications | $4.99 | per month |
| Inventory Bot Notifications | $8.99 | per month |
| AutoBuy | $11.99 | per month |
| AutoBuy (Annual) | $99.99 | per year |

**What reviewers like**

- 🚀 Fast and reliable for high-demand items
- 👍 Easy to use and set up
- 💡 Automates ordering process
- 🤝 Helpful and supportive community/developer
- ⏱️ Saves time and hassle

**What reviewers complain about**

- 😞 Does not work for many users
- 🐛 Errors out during purchase attempts
- ❌ No response to support emails
- 📉 Limited compared to competitors
- 🐌 Slow notifications compared to others

**Reported bugs**

- Errors out every time it tries to buy from Amazon
- Discover links are invalid or expired
- Doesn't alert users
- Struggles to remove products from monitoring list
- Cannot enable notifications on iPhone

**Requested features**

- More checkout automation compatibility for other retailers
- Improve functionality for Canadian users
- Clearer explanation of free trial and paid features


### Grail AI

[App page](https://appshunter.io/ios/app/grail-ai/id6791727793)

This app uses AI to create a searchable inventory of sports cards at conventions. Users can search for specific cards by player, set, or condition, and find them at nearby tables. It also facilitates trading by allowing users to list their own collections.

**Highlights:** AI-powered card identification, Searchable live inventory, Find cards by player, set, condition, List personal collections for trade, Direct collector-to-collector trading, Favorite tracked cards

**In-app purchases:** none


## Frequently asked questions

### Is Inventory Bot free?

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

### Is Grail AI free?

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

### Which has better reviews, Inventory Bot or Grail AI?

Grail AI is rated higher. Inventory Bot averages 4.4 out of 5 from 211 ratings, while Grail AI averages 5.0 from 2 ratings.

### Do Inventory Bot or Grail AI have ads?

Neither Inventory Bot nor Grail AI shows ads.

### Which is updated more often, Inventory Bot or Grail AI?

Inventory Bot ships an update every 5 weeks, and Grail AI every 4 days. Most recently, Inventory Bot was updated on October 27, 2026 and Grail AI on October 12, 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.*