# Ace SQL Interviews vs Turing Lab

The clearest difference is in-app purchases: Turing Lab at none against Ace SQL Interviews's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Ace SQL Interviews sells 2 one-off in-app purchases. Turing Lab asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 17, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Ace SQL Interviews | Turing Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Size | 22 MB | 36 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Sandyarani Lagishetti](https://appshunter.io/developer/1723755550) | [Thales Santos](https://appshunter.io/developer/6782515895) |

## What reviewers say

### Ace SQL Interviews

[App page](https://appshunter.io/ios/app/ace-sql-interviews/id6477198989)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Unlimited SQL Ace | $14.99 | one-time |
| Unlock All Questions & Answers | $19.99 | one-time |


### Turing Lab

[App page](https://appshunter.io/ios/app/turing-lab/id6801653541)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Ace SQL Interviews free?

Ace SQL Interviews is free to download, with in-app purchases available.

### Is Turing Lab free?

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

### Do Ace SQL Interviews or Turing Lab have ads?

Neither Ace SQL Interviews nor Turing Lab shows ads.

### Which is updated more often, Ace SQL Interviews or Turing Lab?

Ace SQL Interviews ships an update every 2 weeks, and Turing Lab every 2 weeks. Most recently, Ace SQL Interviews was updated on September 17, 2026 and Turing Lab on October 20, 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.*