# Flip!? vs My Inventory Stack

The clearest difference is rating: Flip!? at 5.0 against My Inventory Stack's 1.0. Flip!? also leads on in-app purchases (none vs 3). My Inventory Stack's advantage is ads (none vs shown) and update cadence (every 10 days vs every 2 months). On price, ratings volume, device support and iOS requirement there is nothing between them.

Both are free to download. My Inventory Stack sells 3 one-off in-app purchases. Flip!? asks for nothing beyond the download.

Flip!? holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Flip!? ships an update every 2 months, My Inventory Stack every 10 days. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Flip!? | My Inventory Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flip/id1612096933/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/my-inventory-stack/id6755137430/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 45 MB | 11 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [yuya kanbetsunawa](https://appshunter.io/developer/1597026161) | [Bryan Jeffrey Martin](https://appshunter.io/developer/1847187783) |

## What reviewers say

### Flip!?

[App page](https://appshunter.io/ios/app/flip/id1612096933)

This app provides a digital canvas for freehand writing and text input, mimicking a blackboard or memo board. It offers various pen types, colors, and backgrounds for creative expression and practical use in classrooms or for making quick signs.

**Highlights:** Handwriting input with Apple Pencil or finger, Multiple pen types and colors, Free positioning of text, 15 preset backgrounds, Use custom photos as backgrounds, Edit and preview modes

**Features:** macOS Compatibility

**In-app purchases:** none


### My Inventory Stack

[App page](https://appshunter.io/ios/app/my-inventory-stack/id6755137430)

Manage your business or collection with this intuitive inventory companion. Track items, quantities, sales, and suppliers. Organize your stock with custom categories and receive reminders for re-ordering.

**Highlights:** Intuitive item addition with photos, SKU/UPC, and costs, Barcode scanning via camera, Smart dashboard with low stock alerts and reminders, Customizable categories and sub-categories, Supplier and purchase order management, Multi-store management, Sales and purchase history tracking

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Business (Upgrade from Pro) | $19.99 | one-time |
| Pro | $24.99 | one-time |
| Business | $39.99 | one-time |


## Frequently asked questions

### Is Flip!? free?

Flip!? is free to download, with no in-app purchases.

### Is My Inventory Stack free?

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

### Which has better reviews, Flip!? or My Inventory Stack?

Flip!? is rated higher. Flip!? averages 5.0 out of 5 from 1 ratings, while My Inventory Stack averages 1.0 from 2 ratings.

### Do Flip!? or My Inventory Stack have ads?

Flip!? shows ads; My Inventory Stack does not.

### Which is updated more often, Flip!? or My Inventory Stack?

Flip!? ships an update every 2 months, and My Inventory Stack every 10 days. Most recently, Flip!? was updated on October 1, 2026 and My Inventory Stack on October 9, 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.*