# Shopping Cart AI vs Red PDF Reader

The clearest difference is in-app purchases: Red PDF Reader at none against Shopping Cart AI's 1. Shopping Cart AI's advantage is iOS requirement (16.0 vs 18). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Shopping Cart AI sells 1 in-app purchase, starting at $3.99 per month. Red PDF Reader asks for nothing beyond the download.

Shopping Cart AI ships an update every 4 months, Red PDF Reader every 3 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Shopping Cart AI | Red PDF Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/shopping-cart-ai/id6544807654/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 4 MB |
| Requires iOS | **16.0** | 18 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stefan Stojkovic](https://appshunter.io/developer/1655800933) | [Khurshed Gulov](https://appshunter.io/developer/1329538296) |

## What reviewers say

### Shopping Cart AI

[App page](https://appshunter.io/ios/app/shopping-cart-ai/id6544807654)

This app helps you create smart grocery lists, plan meals, and discover recipes. It allows you to share lists with family members and uses AI to suggest meals and generate shopping lists. Save time and shop smarter with this organized approach to grocery shopping and meal preparation.

**Highlights:** Smart grocery lists, Recipe discovery, Meal planning, Shared shopping lists, AI shopping assistant, List customization

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Shopping Cart | $3.99 | per month |


### Red PDF Reader

[App page](https://appshunter.io/ios/app/red-pdf-reader/id6763583714)

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

**In-app purchases:** none


## Frequently asked questions

### Is Shopping Cart AI free?

Shopping Cart AI is free to download, with in-app purchases available.

### Is Red PDF Reader free?

Red PDF Reader is free to download, with no in-app purchases.

### Do Shopping Cart AI or Red PDF Reader have ads?

Neither Shopping Cart AI nor Red PDF Reader shows ads.

### Which is updated more often, Shopping Cart AI or Red PDF Reader?

Shopping Cart AI ships an update every 4 months, and Red PDF Reader every 3 months. Most recently, Shopping Cart AI was updated on October 30, 2026 and Red PDF Reader on October 31, 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.*