# IDX vs Stack

The clearest difference is update cadence: Stack at every 6 days against IDX's every 3 months. IDX's advantage is iOS requirement (12.0 vs 15.0). On price, ads, 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.

IDX ships an update every 3 months, Stack every 6 days. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | IDX | Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.4 (107 ratings)](https://appshunter.io/ios/app/idx-identity-and-privacy/id1448548713/reviews)** | — |
| Number of ratings | **107** | — |
| Positive reviews | 7.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 days** |
| Monetization | Subscription | — |
| Size | 41 MB | 24 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ID Experts](https://appshunter.io/developer/975351802) | [Cajetan Hughes](https://appshunter.io/developer/1895758353) |

## What reviewers say

### IDX

[App page](https://appshunter.io/ios/app/idx-identity-and-privacy/id1448548713)

This app provides comprehensive identity and privacy protection. It monitors your personal information for fraud, alerts you to suspicious activity, and helps restore your identity if it's compromised. It also offers credit report locking and monthly credit score access with certain subscriptions.

**Highlights:** Identity monitoring, Fraud alerts and notifications, Identity restoration assistance, Credit report locking, Monthly credit score access, Insurance reimbursement coverage

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use (for some)
- 👍 Great for quick reference
- 👍 App now working (for some)

**What reviewers complain about**

- 🐛 Login issues (spinning wheel, incorrect credentials)
- 🐛 Unable to log in via app, only website
- 🐛 No support for OPM users
- 🐛 No alerts received
- 🐛 Identity stolen while using service

**Reported bugs**

- Endless spinning wheel on login
- Cannot log in with correct credentials
- App won't open after login
- Login issues with third-party authentication
- App shows no data beyond welcome messages

**Requested features**

- Allow OPM users to log in
- Fix app to work with website login
- Provide actual monitoring and data removal services
- Improve customer support responsiveness
- Enable full functionality shown in screenshots


### Stack

[App page](https://appshunter.io/ios/app/stack-in/id6764385326)

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

**In-app purchases:** none


## Frequently asked questions

### Is IDX free?

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

### Is Stack free?

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

### Do IDX or Stack have ads?

Neither IDX nor Stack shows ads.

### Which is updated more often, IDX or Stack?

IDX ships an update every 3 months, and Stack every 6 days. Most recently, IDX was updated on October 17, 2026 and Stack on October 7, 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.*