# SINABI vs Alpha CLOUD

The clearest difference is update cadence: Alpha CLOUD at every 2 months against SINABI's every 11 months. SINABI's advantage is iOS requirement (11.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SINABI ships an update every 11 months, Alpha CLOUD every 2 months. The most recent releases landed on October 8, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | SINABI | Alpha CLOUD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/alpha-cloud/id1435853944/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 83 MB | 74 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SINABI](https://appshunter.io/developer/1416780299) | [QueryLoop Inc.](https://appshunter.io/developer/1372503300) |

## What reviewers say

### SINABI

[App page](https://appshunter.io/ios/app/sinabi/id1416780300)

**Features:** macOS Compatibility

**In-app purchases:** none


### Alpha CLOUD

[App page](https://appshunter.io/ios/app/alpha-cloud/id1435853944)

Access a vast online library of e-books across engineering, science, business, and education. This cloud-based platform offers high-quality, up-to-date content for academic communities, with reliable international statistics tracking.

**Highlights:** Online e-book access, Diverse knowledge areas, High-quality content, Up-to-date resources, Academic community focus, Statistics measurement

**In-app purchases:** none


## Frequently asked questions

### Is SINABI free?

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

### Is Alpha CLOUD free?

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

### Do SINABI or Alpha CLOUD have ads?

Neither SINABI nor Alpha CLOUD shows ads.

### Which is updated more often, SINABI or Alpha CLOUD?

SINABI ships an update every 11 months, and Alpha CLOUD every 2 months. Most recently, SINABI was updated on October 8, 2026 and Alpha CLOUD on September 17, 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.*