# Fella vs AI App Localization

The clearest difference is price: AI App Localization at Free against Fella's $1.99. AI App Localization also leads on update cadence (weekly vs every 3 months). Fella's advantage is in-app purchases (none vs 3). On ads, device support and iOS requirement there is nothing between them.

AI App Localization is free to download; Fella costs $1.99 up front. AI App Localization sells 3 in-app purchases, starting at $18.99 per month. Fella asks for nothing beyond the download.

Fella ships an update every 3 months, AI App Localization weekly. The most recent releases landed on September 21, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Fella | AI App Localization |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ai-app-localization-xcstrings/id6449774982/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | — | Freemium |
| Size | 4 MB | 16 MB |
| Requires iOS | **15.0** | 16.1 |
| Devices | iPhone, iPad, iPod, Mac | iPhone, iPad, Mac, Vision Pro |
| Age rating | 4+ | 4+ |
| Developer | [金友 胡](https://appshunter.io/developer/1562356894) | [Sparrow Code LTD](https://appshunter.io/developer/1617623165) |

## What reviewers say

### Fella

[App page](https://appshunter.io/ios/app/fella-project-i18n-tool/id1562360690)

**Features:** Vision Pro support

**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 Fella free?

Fella costs $1.99, with no in-app purchases.

### Is AI App Localization free?

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

### Do Fella or AI App Localization have ads?

Neither Fella nor AI App Localization shows ads.

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

Fella ships an update every 3 months, and AI App Localization weekly. Most recently, Fella was updated on September 21, 2026 and AI App Localization on September 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*