# Strong Vibration vs surge15

The clearest difference is rating: surge15 at 5.0 against Strong Vibration's 4.0. surge15 also leads on in-app purchases (none vs 4) and update cadence (every 3 days vs every 3 weeks). Strong Vibration's advantage is ratings volume (734 vs 1) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Strong Vibration sells 4 in-app purchases, starting at $4.99 per month. surge15 asks for nothing beyond the download.

surge15 holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Strong Vibration has 734 ratings behind it against 1, so its average is the more settled of the two.

Strong Vibration ships an update every 3 weeks, surge15 every 3 days. The most recent releases landed on October 25, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Strong Vibration | surge15 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (734 ratings)](https://appshunter.io/ios/app/strong-vibration/id1644970321/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/surge15/id6783527382/reviews)** |
| Number of ratings | **734** | 1 |
| Positive reviews | 71.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 246 MB | 2 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Sick App Developers GmbH](https://appshunter.io/developer/1507412735) | [Anthony Hamill](https://appshunter.io/developer/6783527384) |

## What reviewers say

### Strong Vibration

[App page](https://appshunter.io/ios/app/strong-vibration/id1644970321)

This app transforms your smartphone into a powerful massager. It offers a variety of pre-set vibration modes and allows you to create custom patterns. Enjoy strong, customizable vibrations for relaxation or personal use without intrusive ads.

**Highlights:** Strongest device vibration, 12+ vibration modes, Custom vibration patterns, Screen lock during vibration, Long-distance control, Ad-free experience

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Strong Vibration Plus | $4.99 | per month |
| Strong Vibration Plus Premium | $9.99 | per month |
| Strong Vibration Plus | $49.99 | per year |
| Strong Vibration Plus Premium | $99.99 | per year |

**What reviewers like**

- 🚀 Fast and strong connection
- 👍 Many free options
- 💡 Versatile for various uses
- 👍 Helps with water damage

**What reviewers complain about**

- 🐛 Difficulty stopping the app
- 🔋 Not strong enough vibration
- 🐛 Accounts being kicked out
- 🐛 Decryption failed issues
- 🐛 Spam and inappropriate content

**Reported bugs**

- App crashing or not opening
- Inability to save user profile
- Compatibility issues with older devices

**Requested features**

- Slower vibration modes
- Stronger vibration intensity
- Ability to save user settings
- Improved spam prevention


### surge15

[App page](https://appshunter.io/ios/app/surge15/id6783527382)

Map any outdoor loop and run it on repeat, integrating strength exercises and tracking your progress over time.  Build reusable workout templates and share routes with training partners.  Designed for privacy with no account required.

**Highlights:** Map custom outdoor loops, Integrate strength exercises, Track session progress, Create reusable workout templates, Share routes with training partners, Privacy-focused design

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Strong Vibration free?

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

### Is surge15 free?

surge15 is free to download, with no in-app purchases.

### Which has better reviews, Strong Vibration or surge15?

surge15 is rated higher. Strong Vibration averages 4.0 out of 5 from 734 ratings, while surge15 averages 5.0 from 1 ratings.

### Do Strong Vibration or surge15 have ads?

Neither Strong Vibration nor surge15 shows ads.

### Which is updated more often, Strong Vibration or surge15?

Strong Vibration ships an update every 3 weeks, and surge15 every 3 days. Most recently, Strong Vibration was updated on October 25, 2026 and surge15 on October 12, 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.*