# Store Room 4.0 vs iSolarFlow

The clearest difference is in-app purchases: iSolarFlow at none against Store Room 4.0's 11. Store Room 4.0's advantage is update cadence (every 4 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Store Room 4.0 sells 11 in-app purchases, starting at $7.99 per year. iSolarFlow asks for nothing beyond the download.

Store Room 4.0 ships an update every 4 weeks, iSolarFlow every 3 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | Store Room 4.0 | iSolarFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/store-room-40/id1460707272/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 44.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 62 MB | 260 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Marius Backes](https://appshunter.io/developer/1195863893) | [Hiconics Eco-Energy Technology Co.,Ltd.](https://appshunter.io/developer/1766064077) |

## What reviewers say

### Store Room 4.0

[App page](https://appshunter.io/ios/app/store-room-40/id1460707272)

Organize your home inventory with this app. Track household items, set expiration dates, and receive notifications for low stock or expiring goods. Features include custom storage locations, item sorting, and shopping list integration.

**Highlights:** Manage household items, Set expiration dates, Push notifications for low stock/expiring items, Custom storage locations, Shopping list integration, Item statistics

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full access | $7.99 | per year |
| 5 Storage Locations | $1.99 | one-time |
| 10 Article | $1.99 | one-time |
| 5 Categories | $1.99 | one-time |
| 5 shopping lists | $1.99 | one-time |
| 10 Storage Locations | $2.99 | one-time |
| 20 Article | $2.99 | one-time |
| 10 shopping lists | $2.99 | one-time |
| 10 categories | $2.99 | one-time |
| 50 Article | $3.99 | one-time |
| Full access | $19.99 | one-time |


### iSolarFlow

[App page](https://appshunter.io/ios/app/isolarflow/id6761892115)

**In-app purchases:** none


## Frequently asked questions

### Is Store Room 4.0 free?

Store Room 4.0 is free to download, with in-app purchases available.

### Is iSolarFlow free?

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

### Do Store Room 4.0 or iSolarFlow have ads?

Neither Store Room 4.0 nor iSolarFlow shows ads.

### Which is updated more often, Store Room 4.0 or iSolarFlow?

Store Room 4.0 ships an update every 4 weeks, and iSolarFlow every 3 months. Most recently, Store Room 4.0 was updated on October 25, 2026 and iSolarFlow on October 25, 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.*