# Synthi AI vs SUS 2025

The clearest difference is in-app purchases: SUS 2025 at none against Synthi AI's 8. SUS 2025 also leads on ads (none vs shown) and update cadence (every 3 days vs every 8 days). On price and device support there is nothing between them.

Both are free to download. Synthi AI sells 8 in-app purchases, starting at $7.99 per month. SUS 2025 asks for nothing beyond the download.

Synthi AI ships an update every 8 days, SUS 2025 every 3 days. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Synthi AI | SUS 2025 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/synthi-ai/id6743402448/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 8 days | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 85 MB | 23 MB |
| Requires iOS | 16.4 | **11.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [DreamAI Technologies](https://appshunter.io/developer/1802628452) | [Igor Masarovic](https://appshunter.io/developer/1455960706) |

## What reviewers say

### Synthi AI

[App page](https://appshunter.io/ios/app/synthi-ai/id6743402448)

This AI-powered language learning assistant offers personalized lessons and interactive exercises. Practice real-life scenarios, develop speaking skills with speech recognition, and track your progress. Learn languages efficiently and stress-free with a modern, convenient interface.

**Highlights:** Personalized learning approach, Daily language scenarios, Instant translations, Speaking development with speech recognition, Progress tracking and goal setting, Interactive exercises

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SynthiAI Basic Promo | $7.99 | per month |
| SynthiAI Basic | $9.99 | per month |
| SynthiAI Pro | $12.99 | per 3 months |
| SynthiAI Pro | $29.99 | per 3 months |
| SynthiAI Premium | $29.99 | per 6 months |
| SynthiAI Premium | $34.99 | per 6 months |
| SynthiAI Premium Promo Trial | $34.99 | per 6 months |
| SynthiAI Premium Trial | $39.99 | per 6 months |


### SUS 2025

[App page](https://appshunter.io/ios/app/sus-2025/id6746577549)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Synthi AI free?

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

### Is SUS 2025 free?

SUS 2025 is free to download, with no in-app purchases.

### Do Synthi AI or SUS 2025 have ads?

Synthi AI shows ads; SUS 2025 does not.

### Which is updated more often, Synthi AI or SUS 2025?

Synthi AI ships an update every 8 days, and SUS 2025 every 3 days. Most recently, Synthi AI was updated on October 24, 2026 and SUS 2025 on October 16, 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.*