# Guardsquare App Attestation vs ReFlutter: side-by-side comparison (2026)

[Guardsquare App Attestation](https://cybersectools.com/tools/guardsquare-app-attestation) is a commercial [mobile app security](https://cybersectools.com/categories/mobile-app-security) solution by [Guardsquare](https://cybersectools.com/companies/guardsquare). [ReFlutter](https://cybersectools.com/tools/reflutter) is a free [mobile app security](https://cybersectools.com/categories/mobile-app-security) solution. Features, integrations, deployment and the company behind each one, side by side.

## Our take

What our shortlists say about the one we picked.

### [Guardsquare App Attestation](https://cybersectools.com/tools/guardsquare-app-attestation)

Best for: Backends that must reject tampered, hooked, or emulated apps

This is a focused product, cloud-delivered, for SMB through enterprise. It does not test code or monitor fraud; it answers one question very well, which is whether the client talking to you is your real app.

From [Best Mobile App Security Solutions for Business](https://cybersectools.com/shortlists/best-mobile-app-security-solutions), Fall 2026.

Reviewed by [Nika (Nikoloz) Kokhreidze](https://cybersectools.com/about).

Need the answer fast? [Best Mobile App Security Solutions for Business](https://cybersectools.com/shortlists/best-mobile-app-security-solutions) picks Zimperium Mobile Application Protection Suite, Promon Shield for Mobile, NowSecure Platform and 4 more.

## Side-by-side comparison

| | Guardsquare App Attestation | ReFlutter |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Mobile App Security | Mobile App Security |
| Verified | No | No |
| Deployment type | Cloud | On-Premises |
| Company size fit | SMB, Mid-Market, Enterprise | Mid-Market, Enterprise |
| GitHub stars | – | 1,441 |
| Last commit | – | Apr 2022 |
| Company | Guardsquare | – |
| Headquarters | – | – |

### Use cases and capabilities

| | Guardsquare App Attestation | ReFlutter |
|---|---|---|
| App Security | Yes | – |
| Android Security | Yes | Yes |
| iOS | Yes | Yes |
| Server | Yes | – |
| Bot Protection | Yes | – |
| Reverse Engineering | – | Yes |
| Dynamic Analysis | – | Yes |

### Core features

**Guardsquare App Attestation**

10 features listed. Sign in on the page to see them.

**ReFlutter**

No features listed.

### Integrations

**Guardsquare App Attestation**

2 integrations listed. Sign in on the page to see them.

**ReFlutter**

No integrations listed.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [Guardsquare App Attestation](https://cybersectools.com/tools/guardsquare-app-attestation) fits if you want a cloud product and you are a small business.
- [ReFlutter](https://cybersectools.com/tools/reflutter) fits if you need to run it on your own servers, you need a free product and you want an open-source product.

## Guardsquare App Attestation vs ReFlutter FAQ

Common questions when comparing Guardsquare App Attestation vs ReFlutter for mobile app security.

### What is the difference between Guardsquare App Attestation and ReFlutter?

**Guardsquare App Attestation**: Server-side mobile app attestation verifying app integrity and API access. Built by Guardsquare.

**ReFlutter**: ReFlutter is a reverse engineering framework that uses patched Flutter libraries to enable dynamic analysis and traffic monitoring of Flutter mobile applications on Android and iOS platforms.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes Guardsquare App Attestation and ReFlutter?

**Guardsquare App Attestation** is made by Guardsquare. **ReFlutter** is open-source with 1,441 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Guardsquare App Attestation a good alternative to ReFlutter?

Often, yes. Guardsquare App Attestation and ReFlutter are both Mobile App Security products, and both cover iOS, Android Security. Key differences: Guardsquare App Attestation is Commercial while ReFlutter is Free, ReFlutter is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Guardsquare App Attestation vs Quixxi Dynamic Application Security Testing (DAST)](https://cybersectools.com/compare/guardsquare-app-attestation-vs-quixxi-dynamic-application-security-testing-dast)
- [Guardsquare App Attestation vs Promon Shield for Mobile™](https://cybersectools.com/compare/guardsquare-app-attestation-vs-promon-promon-shield-for-mobiletm)
- [Guardsquare App Attestation vs APPVISORY](https://cybersectools.com/compare/appvisory-vs-guardsquare-app-attestation)
- [ReFlutter vs Quixxi Dynamic Application Security Testing (DAST)](https://cybersectools.com/compare/quixxi-dynamic-application-security-testing-dast-vs-reflutter)
- [ReFlutter vs Promon Shield for Mobile™](https://cybersectools.com/compare/promon-promon-shield-for-mobiletm-vs-reflutter)
- [ReFlutter vs APPVISORY](https://cybersectools.com/compare/appvisory-vs-reflutter)

## Alternatives to each

- [See all Guardsquare App Attestation alternatives](https://cybersectools.com/alternatives/guardsquare-app-attestation)
- [See all ReFlutter alternatives](https://cybersectools.com/alternatives/reflutter)

---

Source: https://cybersectools.com/compare/guardsquare-app-attestation-vs-reflutter

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/guardsquare-app-attestation.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Guardsquare App Attestation and ReFlutter: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md