# Zone ZHF vs Silent Trainer

The clearest difference is price: Zone ZHF at Free against Silent Trainer's $4.99. Zone ZHF also leads on ratings volume (855 vs 14). Silent Trainer's advantage is review sentiment (100% vs 79%). On rating, update cadence, ads and in-app purchases there is nothing between them.

Zone ZHF is free to download; Silent Trainer costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.9 for Zone ZHF against 5.0 for Silent Trainer. That said, the two scores are not equally well evidenced: Zone ZHF has 855 ratings behind it against 14, so its average is the more settled of the two. Written reviews are what separate them: 79% of Zone ZHF's written reviews are positive against 100% of Silent Trainer's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Zone ZHF | Silent Trainer |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | [4.9 (855 ratings)](https://appshunter.io/ios/app/zone-zhf/id1543116695/reviews) | **[5.0 (14 ratings)](https://appshunter.io/ios/app/silent-trainer/id6762064931/reviews)** |
| Number of ratings | **855** | 14 |
| Positive reviews | 78.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | **Free** | Paid |
| Size | 120 MB | 33 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Smart Health Clubs](https://appshunter.io/developer/1333435433) | [ELIJAH KEITH SEARLES](https://appshunter.io/developer/1892726210) |

## What reviewers say

### Zone ZHF

[App page](https://appshunter.io/ios/app/zone-zhf/id1543116695)

Monitor your fitness activities both inside and outside the gym. Access class schedules, social media, set fitness goals, and participate in club challenges. Seamlessly integrate with popular fitness trackers and apps, syncing your data with your iPhone's Health app.

**Highlights:** Workout tracking, Class schedules, Social media integration, Fitness goals, In-club challenges, Fitness device linking, Health app sync

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Friendly and welcoming staff
- 💪 Excellent equipment variety and technology
- 🎯 Supportive personal trainers
- 🏋️ Great gym atmosphere and vibe
- 📱 Functional app for gym management

**What reviewers complain about**

- 🐛 Login and account authentication issues
- 🎨 Poor app UI/UX design
- 👥 Staff management concerns
- 💼 Low employee compensation

**Reported bugs**

- Login kicks out users despite valid account
- Account creation not functional in app
- Session authentication failures

**Requested features**

- Increase Silver Sneakers class availability and capacity
- Improve app account creation interface


### 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 Zone ZHF free?

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

### Is Silent Trainer free?

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

### Which has better reviews, Zone ZHF or Silent Trainer?

Silent Trainer is rated higher. Zone ZHF averages 4.9 out of 5 from 855 ratings, while Silent Trainer averages 5.0 from 14 ratings.

### Do Zone ZHF or Silent Trainer have ads?

Neither Zone ZHF nor Silent Trainer shows ads.

### Which is updated more often, Zone ZHF or Silent Trainer?

Zone ZHF ships an update every 3 weeks, and Silent Trainer every 3 weeks. Most recently, Zone ZHF was updated on October 24, 2026 and Silent Trainer on October 18, 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.*