# OWASP BLT vs Echo Grid

The clearest difference is ads: OWASP BLT at none against Echo Grid's shown. OWASP BLT also leads on iOS requirement (12.0 vs 15.1). Echo Grid's advantage is update cadence (every 2 weeks vs every 6 months). On price, 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.

OWASP BLT ships an update every 6 months, Echo Grid every 2 weeks. The most recent releases landed on September 10, 2026 and May 18, 2026 respectively.

## The numbers

| Metric | OWASP BLT | Echo Grid |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Size | 33 MB | 55 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OWASP Foundation, inc](https://appshunter.io/developer/1683410774) | [Kalika Mathur](https://appshunter.io/developer/1879951910) |

## What reviewers say

### OWASP BLT

[App page](https://appshunter.io/ios/app/owasp-blt/id6448071954)

**Features:** macOS Compatibility

**In-app purchases:** none


### Echo Grid

[App page](https://appshunter.io/ios/app/echo-grid-neural-decryption/id6759631837)

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

**In-app purchases:** none


## Frequently asked questions

### Is OWASP BLT free?

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

### Is Echo Grid free?

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

### Do OWASP BLT or Echo Grid have ads?

Echo Grid shows ads; OWASP BLT does not.

### Which is updated more often, OWASP BLT or Echo Grid?

OWASP BLT ships an update every 6 months, and Echo Grid every 2 weeks. Most recently, OWASP BLT was updated on September 10, 2026 and Echo Grid on May 18, 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.*