# auth. vs AI App Localization

The clearest difference is price: AI App Localization at Free against auth.'s $3.99. AI App Localization also leads on rating (5.0 vs 4.7) and update cadence (weekly vs monthly). auth.'s advantage is in-app purchases (none vs 3) and chart position (#179 vs unranked). On ratings volume, ads, device support and iOS requirement there is nothing between them.

AI App Localization is free to download; auth. costs $3.99 up front. AI App Localization sells 3 in-app purchases, starting at $18.99 per month. auth. asks for nothing beyond the download.

AI App Localization holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 6 and 3 respectively. Written reviews complicate that: 58% of auth.'s written reviews are positive against 50% of AI App Localization's, so the app with the better star average is not the one people write more warmly about.

auth. ships an update monthly, AI App Localization weekly. The most recent releases landed on September 14, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | auth. | AI App Localization |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [4.7 (6 ratings)](https://appshunter.io/ios/app/auth-2fa-smart-sync/id1553284993/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ai-app-localization-xcstrings/id6449774982/reviews)** |
| Number of ratings | **6** | 3 |
| Positive reviews | **58.3% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Paid | **Freemium** |
| Best chart rank | **#179** | — |
| Size | 28 MB | 16 MB |
| Requires iOS | **16.0** | 16.1 |
| Devices | **iPhone, iPad, Mac, Apple Watch, Vision Pro** | iPhone, iPad, Mac, Vision Pro |
| Age rating | 4+ | 4+ |
| Developer | [ChakMing Wong](https://appshunter.io/developer/1525986104) | [Sparrow Code LTD](https://appshunter.io/developer/1617623165) |

## What reviewers say

### auth.

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

**Currently charting:** #179 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


### AI App Localization

[App page](https://appshunter.io/ios/app/ai-app-localization-xcstrings/id6449774982)

This tool streamlines app localization by supporting XLIFF, XCLOC, and Xcstrings file formats. It offers features like spell checking, a word library for unique terms, and real-time identification of missing lines and text parameters. Edit multiple files simultaneously and save changes to existing or new files.

**Highlights:** Supports XLIFF, XCLOC, Xcstrings formats, Spell checking and word library, Identifies missing lines and parameters, Edit multiple files simultaneously, Save to current or new files, Pluralization support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Access for Month | $18.99 | per month |
| Access for Half of Year | $49.99 | per 6 months |
| Access for Year | $69.99 | per year |


## Frequently asked questions

### Is auth. free?

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

### Is AI App Localization free?

AI App Localization is free to download, with in-app purchases available.

### Which has better reviews, auth. or AI App Localization?

AI App Localization is rated higher. auth. averages 4.7 out of 5 from 6 ratings, while AI App Localization averages 5.0 from 3 ratings.

### Do auth. or AI App Localization have ads?

Neither auth. nor AI App Localization shows ads.

### Which is updated more often, auth. or AI App Localization?

auth. ships an update monthly, and AI App Localization weekly. Most recently, auth. was updated on September 14, 2026 and AI App Localization on September 9, 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.*