# SQL Studio Mobile vs BigO Algorithms

The clearest difference is ads: BigO Algorithms at none against SQL Studio Mobile's shown. BigO Algorithms also leads on iOS requirement (18.6 vs 26.2). SQL Studio Mobile's advantage is update cadence (daily vs every 4 days). On price, in-app purchases and device support there is nothing between them.

Both are free to download. SQL Studio Mobile sells 1 one-off in-app purchase and BigO Algorithms sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

SQL Studio Mobile ships an update daily, BigO Algorithms every 4 days. The most recent releases landed on September 28, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | SQL Studio Mobile | BigO Algorithms |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/bigo-algorithms/id6761836617/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 4 days |
| Monetization | — | Free with in-app purchases |
| Size | 14 MB | 25 MB |
| Requires iOS | 26.2 | **18.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tak Fai Chung](https://appshunter.io/developer/1868359972) | [Gregori Farias](https://appshunter.io/developer/1891708605) |

## What reviewers say

### SQL Studio Mobile

[App page](https://appshunter.io/ios/app/sql-studio-mobile/id6757700964)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SQL Studio Mobile | Free | one-time |


### BigO Algorithms

[App page](https://appshunter.io/ios/app/bigo-algorithms/id6761836617)

This app provides a technical environment for software engineers and computer science students to prepare for interviews. It uses AI-powered mentorship and visual complexity curves to help users understand logic and analyze code errors.

**Highlights:** AI-powered mentorship, Dual-clue analysis (Static Blueprints & OpenAI), Big O complexity curve visualization, Dark-mode first aesthetic, Code error analysis, Logic-focused learning

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BigO Premium Monthly | $7.99 | per month |
| BigO Premium Annual | $57.99 | per year |


## Frequently asked questions

### Is SQL Studio Mobile free?

SQL Studio Mobile is free to download, with in-app purchases available.

### Is BigO Algorithms free?

BigO Algorithms is free to download, with in-app purchases available.

### Do SQL Studio Mobile or BigO Algorithms have ads?

SQL Studio Mobile shows ads; BigO Algorithms does not.

### Which is updated more often, SQL Studio Mobile or BigO Algorithms?

SQL Studio Mobile ships an update daily, and BigO Algorithms every 4 days. Most recently, SQL Studio Mobile was updated on September 28, 2026 and BigO Algorithms on October 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*