# auth. vs Developer Toolbox

The clearest difference is price: Developer Toolbox at Free against auth.'s $3.99. Developer Toolbox also leads on rating (5.0 vs 4.7). auth.'s advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence and iOS requirement there is nothing between them.

Developer Toolbox is free to download; auth. costs $3.99 up front. Developer Toolbox sells 1 one-off in-app purchase. auth. asks for nothing beyond the download.

Developer Toolbox holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: auth. has 6 ratings behind it against 1, so its average is the more settled of the two.

auth. ships an update monthly, Developer Toolbox every 2 weeks. The most recent releases landed on October 1, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | auth. | Developer Toolbox |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [4.7 (6 ratings)](https://appshunter.io/ios/app/auth-2fa-smart-sync/id1553284993/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/developer-toolbox-idfa-and-att/id6743999372/reviews)** |
| Number of ratings | **6** | 1 |
| Positive reviews | 58.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#180** | — |
| Size | 38 MB | 22 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | **iPhone, iPad, Mac, Apple Watch, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ChakMing Wong](https://appshunter.io/developer/1525986104) | [立豪 林](https://appshunter.io/developer/1774251009) |

## What reviewers say

### auth.

[App page](https://appshunter.io/ios/app/auth-2fa-smart-sync/id1553284993)

**Currently charting:** #180 Top Paid · Developer Tools (US App Store)

This app securely stores and manages your two-factor authentication codes in one place. It simplifies the process by allowing QR code scanning or link-based setup, ensuring your accounts remain protected.

**Highlights:** Unlimited account storage, QR code scanning, Link-based account addition, Offline running, Customizable timeout and auto-lock, Password and safe code storage

**Features:** Apple Watch app

**In-app purchases:** none


### Developer Toolbox

[App page](https://appshunter.io/ios/app/developer-toolbox-idfa-and-att/id6743999372)

Access detailed information about your iOS device, including IDFA and IP address. Test device sensors and gather technical data.

**Highlights:** Access IDFA, View IP address, Test device sensors, iOS device information, Developer tools

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is auth. free?

auth. costs $3.99, with no in-app purchases.

### Is Developer Toolbox free?

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

### Which has better reviews, auth. or Developer Toolbox?

Developer Toolbox is rated higher. auth. averages 4.7 out of 5 from 6 ratings, while Developer Toolbox averages 5.0 from 1 ratings.

### Do auth. or Developer Toolbox have ads?

Developer Toolbox shows ads; auth. does not.

### Which is updated more often, auth. or Developer Toolbox?

auth. ships an update monthly, and Developer Toolbox every 2 weeks. Most recently, auth. was updated on October 1, 2026 and Developer Toolbox on October 11, 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.*