# Developer Tools vs StealthOp

The clearest difference is in-app purchases: StealthOp at none against Developer Tools's 4. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Developer Tools sells 4 in-app purchases, starting at $0.29 per 7 days. StealthOp asks for nothing beyond the download.

## The numbers

| Metric | Developer Tools | StealthOp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stealthop-secure-pgp-messages/id6740215870/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | — | Free |
| Size | 16 MB | 1 MB |
| Requires iOS | 17 | 17.0 |
| Devices | iPad, Mac | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Basile Cornet](https://appshunter.io/developer/373857900) | [Grey LLC](https://appshunter.io/developer/1597606243) |

## What reviewers say

### Developer Tools

[App page](https://appshunter.io/ios/app/developer-tools-tooly/id6639614589)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tooly Pro Weekly | $0.29 | per 7 days |
| Tooly Pro Monthly | $1.49 | per month |
| Tooly Pro Yearly | $9.99 | per year |
| Tooly Pro Lifetime | $24.99 | one-time |


### StealthOp

[App page](https://appshunter.io/ios/app/stealthop-secure-pgp-messages/id6740215870)

This app allows you to hide encrypted text messages and images within seemingly normal text. It uses advanced zero-width character technology and military-grade encryption to ensure your communications are invisible and secure.

**Highlights:** Hide encrypted text messages, Embed encrypted images in text, Zero-width character steganography, RSA 2048-bit encryption, Dual contact system with QR key exchange, Automatic detection of hidden content, End-to-end encryption

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

**In-app purchases:** none


## Frequently asked questions

### Is Developer Tools free?

Developer Tools is free to download, with in-app purchases available.

### Is StealthOp free?

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

### Do Developer Tools or StealthOp have ads?

Neither Developer Tools nor StealthOp shows ads.

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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.*