# Cheapest Store x Shopping List vs Task Rainbow

The clearest difference is in-app purchases: Cheapest Store x Shopping List at none against Task Rainbow's 2. Cheapest Store x Shopping List also leads on iOS requirement (12.0 vs 18.5). Task Rainbow's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Task Rainbow sells 2 in-app purchases, starting at $2.99 per month. Cheapest Store x Shopping List asks for nothing beyond the download.

Cheapest Store x Shopping List ships an update every 2 months, Task Rainbow every 2 weeks. The most recent releases landed on October 30, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Cheapest Store x Shopping List | Task Rainbow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cheapest-store-x-shopping-list/id6741428184/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Ad-supported | — |
| Size | 38 MB | 85 MB |
| Requires iOS | **12.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Koji Watanabe](https://appshunter.io/developer/1332653587) | [Toshiaki Nakamura](https://appshunter.io/developer/822485897) |

## What reviewers say

### Cheapest Store x Shopping List

[App page](https://appshunter.io/ios/app/cheapest-store-x-shopping-list/id6741428184)

This app helps you track the cheapest store for each item you buy, allowing you to add photos for clarity. It's designed for meticulous shoppers who want to optimize their spending and manage inventory efficiently.

**Highlights:** Record cheapest store per product, Add photos to product entries, One-handed product addition, Track lowest prices, Inventory management

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

**In-app purchases:** none


### Task Rainbow

[App page](https://appshunter.io/ios/app/task-rainbow-time-tracker/id6745430170)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 1 month | $2.99 | per month |
| Premium 1 year | $19.99 | per year |


## Frequently asked questions

### Is Cheapest Store x Shopping List free?

Cheapest Store x Shopping List is free to download, with no in-app purchases.

### Is Task Rainbow free?

Task Rainbow is free to download, with in-app purchases available.

### Do Cheapest Store x Shopping List or Task Rainbow have ads?

Cheapest Store x Shopping List shows ads; Task Rainbow does not.

### Which is updated more often, Cheapest Store x Shopping List or Task Rainbow?

Cheapest Store x Shopping List ships an update every 2 months, and Task Rainbow every 2 weeks. Most recently, Cheapest Store x Shopping List was updated on October 30, 2026 and Task Rainbow on November 6, 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.*