# STAL vs TTM Interpreter App

The clearest difference is update cadence: TTM Interpreter App at fortnightly against STAL's every 12 months. STAL's advantage is iOS requirement (10.0 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.

STAL ships an update every 12 months, TTM Interpreter App fortnightly. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | STAL | TTM Interpreter App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Fortnightly** |
| Size | 47 MB | 94 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Kehätieto Oy](https://appshunter.io/developer/1059373901) | [Fahim Delzada](https://appshunter.io/developer/1350240371) |

## What reviewers say

### STAL

[App page](https://appshunter.io/ios/app/stal/id1610018447)

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

**In-app purchases:** none


### TTM Interpreter App

[App page](https://appshunter.io/ios/app/ttm-interpreter-app/id6447756019)

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

**In-app purchases:** none


## Frequently asked questions

### Is STAL free?

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

### Is TTM Interpreter App free?

TTM Interpreter App is free to download, with no in-app purchases.

### Do STAL or TTM Interpreter App have ads?

Neither STAL nor TTM Interpreter App shows ads.

### Which is updated more often, STAL or TTM Interpreter App?

STAL ships an update every 12 months, and TTM Interpreter App fortnightly. Most recently, STAL was updated on October 5, 2026 and TTM Interpreter App on October 6, 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.*