# Strong Vibration vs EVASHARK

Strong Vibration and EVASHARK are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Strong Vibration sells 4 in-app purchases, starting at $4.99 per month and EVASHARK sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Strong Vibration ships an update every 3 weeks, EVASHARK monthly. The most recent releases landed on October 23, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Strong Vibration | EVASHARK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (734 ratings)](https://appshunter.io/ios/app/strong-vibration/id1644970321/reviews)** | — |
| Number of ratings | **734** | — |
| Positive reviews | 71.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 246 MB | 72 MB |
| Requires iOS | 15.5 | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Sick App Developers GmbH](https://appshunter.io/developer/1507412735) | [JASLEEN JASLEEN KAUR](https://appshunter.io/developer/1891833223) |

## 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


### EVASHARK

[App page](https://appshunter.io/ios/app/evashark-period-tracker/id6761863797)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EvaShark Pro Monthly | $6.99 | per month |
| EvaShark Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is Strong Vibration free?

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

### Is EVASHARK free?

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

### Do Strong Vibration or EVASHARK have ads?

Neither Strong Vibration nor EVASHARK shows ads.

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

Strong Vibration ships an update every 3 weeks, and EVASHARK monthly. Most recently, Strong Vibration was updated on October 23, 2026 and EVASHARK on October 14, 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.*