# ECMS Teacher vs Ace SQL Interviews

The clearest difference is in-app purchases: ECMS Teacher at none against Ace SQL Interviews's 2. ECMS Teacher also leads on iOS requirement (13.0 vs 15.0). Ace SQL Interviews's advantage is update cadence (every 2 weeks vs every 4 months). On price, ads and device support there is nothing between them.

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

ECMS Teacher ships an update every 4 months, Ace SQL Interviews every 2 weeks. The most recent releases landed on September 13, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | ECMS Teacher | Ace SQL Interviews |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 16 MB | 22 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The Education Committee Of The Maheshwari Samaj](https://appshunter.io/developer/1524014557) | [Sandyarani Lagishetti](https://appshunter.io/developer/1723755550) |

## What reviewers say

### ECMS Teacher

[App page](https://appshunter.io/ios/app/ecms-teacher/id1526622979)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is ECMS Teacher free?

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

### Is Ace SQL Interviews free?

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

### Do ECMS Teacher or Ace SQL Interviews have ads?

Neither ECMS Teacher nor Ace SQL Interviews shows ads.

### Which is updated more often, ECMS Teacher or Ace SQL Interviews?

ECMS Teacher ships an update every 4 months, and Ace SQL Interviews every 2 weeks. Most recently, ECMS Teacher was updated on September 13, 2026 and Ace SQL Interviews 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.*