# AVIX vs Silent Trainer

The clearest difference is price: AVIX at Free against Silent Trainer's $4.99. AVIX also leads on ratings volume (272 vs 14). Silent Trainer's advantage is rating (5.0 vs 4.3) and review sentiment (100% vs 58%). On update cadence and ads there is nothing between them.

AVIX is free to download; Silent Trainer costs $4.99 up front. AVIX sells 13 in-app purchases, starting at $6.99 per month. Silent Trainer asks for nothing beyond the download.

Silent Trainer holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: AVIX has 272 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 58% of AVIX's written reviews are positive against 100% of Silent Trainer's.

AVIX ships an update every 10 days, Silent Trainer every 3 weeks. The most recent releases landed on October 18, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | AVIX | Silent Trainer |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | [4.3 (272 ratings)](https://appshunter.io/ios/app/avix/id6742121114/reviews) | **[5.0 (14 ratings)](https://appshunter.io/ios/app/silent-trainer/id6762064931/reviews)** |
| Number of ratings | **272** | 14 |
| Positive reviews | 57.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 324 MB | 33 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Visualize AI Technologies, Inc.](https://appshunter.io/developer/1796949220) | [ELIJAH KEITH SEARLES](https://appshunter.io/developer/1892726210) |

## What reviewers say

### AVIX

[App page](https://appshunter.io/ios/app/avix/id6742121114)

This app offers medical-grade body assessment using your smartphone. It provides accurate body composition analysis, including body fat percentage and muscle mass, through advanced AI and 3D rendering. Track your progress and gain personalized insights without needing external equipment or visiting clinics.

**Highlights:** Accurate body composition measurements, 3D body rendering, Advanced health indicators, Goal setting and progress tracking, On-device privacy, Apple Health integration

**Features:** Family Sharing

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Best Price For Monthly | $6.99 | per month |
| Visualize Premium | $7.99 | per month |
| Free Trail For Monthly | $9.99 | per month |
| Visualize Premium | $12.99 | per month |
| AVIX Premium | $14.99 | per month |
| AVIX Premium | $19.99 | per month |
| Visualize Premium | $20.00 | per month |
| Visualize Premium | $39.95 | per year |
| Visualize Premium | $47.99 | per year |
| Visualize Premium | $49.95 | per year |
| Visualize Premium | $57.99 | per year |
| Visualize Premium | $99.99 | per year |
| Visualize Premium | $200.00 | per year |

**What reviewers like**

- 🚀 Game Changer
- 👍 Easy & Informative
- 👍 Revolutionary
- 👍 Great App
- 👍 Amazing

**Requested features**

- More body metrics like Lean Body Mass, Muscle Mass


### Silent Trainer

[App page](https://appshunter.io/ios/app/silent-trainer/id6762064931)

This app offers a private and ad-free interval timer to strengthen your core and improve pelvic health. It features guided cues, progressive levels, and streak tracking to help you stay consistent with your exercises discreetly.

**Highlights:** Guided interval cues, Progressive leveling system, Discreet, silent training, Daily streak tracking, 100% private data storage, Ad-free experience

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AVIX free?

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

### Is Silent Trainer free?

Silent Trainer costs $4.99, with no in-app purchases.

### Which has better reviews, AVIX or Silent Trainer?

Silent Trainer is rated higher. AVIX averages 4.3 out of 5 from 272 ratings, while Silent Trainer averages 5.0 from 14 ratings.

### Do AVIX or Silent Trainer have ads?

Neither AVIX nor Silent Trainer shows ads.

### Which is updated more often, AVIX or Silent Trainer?

AVIX ships an update every 10 days, and Silent Trainer every 3 weeks. Most recently, AVIX was updated on October 18, 2026 and Silent Trainer on October 2, 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.*