# Simple Vibrator vs ShellLog

The clearest difference is in-app purchases: Simple Vibrator at none against ShellLog's 1. Simple Vibrator also leads on device support (4 vs 2). ShellLog's advantage is ads (none vs shown) and update cadence (every 6 weeks vs every 14 months). On price and iOS requirement there is nothing between them.

Both are free to download. ShellLog sells 1 one-off in-app purchase. Simple Vibrator asks for nothing beyond the download.

Simple Vibrator ships an update every 14 months, ShellLog every 6 weeks. The most recent releases landed on October 20, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Simple Vibrator | ShellLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/simple-vibrator-easy-vibrate/id6503333362/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 14 months | **Every 6 weeks** |
| Monetization | Ad-supported | — |
| Size | 51 MB | 45 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SEUNGWOO JO](https://appshunter.io/developer/1638712318) | [kazuki korenori](https://appshunter.io/developer/1884835388) |

## What reviewers say

### Simple Vibrator

[App page](https://appshunter.io/ios/app/simple-vibrator-easy-vibrate/id6503333362)

This app offers customizable vibration experiences, including continuous and patterned options. Its user-friendly interface makes it easy to control vibration for relaxation or personal needs.

**Highlights:** Continuous vibration, Patterned vibration options, User-friendly interface, Customizable vibration

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### ShellLog

[App page](https://appshunter.io/ios/app/shelllog-seashell-catalog/id6802552079)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ShellLog Pro | $6.99 | one-time |


## Frequently asked questions

### Is Simple Vibrator free?

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

### Is ShellLog free?

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

### Do Simple Vibrator or ShellLog have ads?

Simple Vibrator shows ads; ShellLog does not.

### Which is updated more often, Simple Vibrator or ShellLog?

Simple Vibrator ships an update every 14 months, and ShellLog every 6 weeks. Most recently, Simple Vibrator was updated on October 20, 2026 and ShellLog 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.*