# STACK Storage vs LUMO 2026

The clearest difference is in-app purchases: STACK Storage at none against LUMO 2026's 2. LUMO 2026's advantage is iOS requirement (13.0 vs 15.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. LUMO 2026 sells 2 in-app purchases, starting at $9.99 per month. STACK Storage asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for STACK Storage against 5.0 for LUMO 2026. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

STACK Storage ships an update every 3 weeks, LUMO 2026 monthly. The most recent releases landed on September 25, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | STACK Storage | LUMO 2026 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/stack-storage/id985218254/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/lumo-2026/id6755543947/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 23 MB | 6 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TransIP BV](https://appshunter.io/developer/325181787) | [Corevia Technologies LLC](https://appshunter.io/developer/1854517538) |

## What reviewers say

### STACK Storage

[App page](https://appshunter.io/ios/app/stack-storage/id985218254)

Securely store, access, and share your files from any device. Automatically back up photos and videos, and share links or files directly with others. Offers password protection for added security.

**Highlights:** Secure online storage, Access files from any device, Share files and download links, Automatic photo and video upload, Password protection, 256-bit encryption

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

**In-app purchases:** none


### LUMO 2026

[App page](https://appshunter.io/ios/app/lumo-2026/id6755543947)

This app offers personalized learning paths for children, adapting to their individual growth in areas like speech, sensory skills, emotional development, fine motor skills, and brain-based learning. It uses AI to adjust activities from easy to challenging, providing daily micro-wins and weekly momentum for long-term development.

**Highlights:** Personalized learning paths, Adaptive AI engine, Speech & Language support, Sensory activities, Emotional development modules, Fine Motor skill activities, Brain-based learning

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LUMO Basic Monthly | $9.99 | per month |
| LUMO Family Monthly | $19.99 | per month |


## Frequently asked questions

### Is STACK Storage free?

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

### Is LUMO 2026 free?

LUMO 2026 is free to download, with in-app purchases available.

### Which has better reviews, STACK Storage or LUMO 2026?

STACK Storage and LUMO 2026 are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do STACK Storage or LUMO 2026 have ads?

Neither STACK Storage nor LUMO 2026 shows ads.

### Which is updated more often, STACK Storage or LUMO 2026?

STACK Storage ships an update every 3 weeks, and LUMO 2026 monthly. Most recently, STACK Storage was updated on September 25, 2026 and LUMO 2026 on September 15, 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.*