# Smart Disk pro vs みえるタイマー

The clearest difference is in-app purchases: Smart Disk pro at none against みえるタイマー's 1. Smart Disk pro also leads on ads (none vs shown) and iOS requirement (12.1 vs 15.1). みえるタイマー's advantage is update cadence (every 3 days vs every 6 weeks). On price and device support there is nothing between them.

Both are free to download. みえるタイマー sells 1 one-off in-app purchase. Smart Disk pro asks for nothing beyond the download.

Smart Disk pro ships an update every 6 weeks, みえるタイマー every 3 days. The most recent releases landed on October 7, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Smart Disk pro | みえるタイマー |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Size | 51 MB | 39 MB |
| Requires iOS | **12.1** | 15.1 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [斗云 李](https://appshunter.io/developer/1697792854) | [Takumi Hirose](https://appshunter.io/developer/1885753978) |

## What reviewers say

### Smart Disk pro

[App page](https://appshunter.io/ios/app/smart-disk-pro/id6462620326)

**Features:** macOS Compatibility

**In-app purchases:** none


### みえるタイマー

[App page](https://appshunter.io/ios/app/vistimer/id6760748399)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VisTimer Pro | $0.99 | one-time |


## Frequently asked questions

### Is Smart Disk pro free?

Smart Disk pro is free to download, with no in-app purchases.

### Is みえるタイマー free?

みえるタイマー is free to download, with in-app purchases available.

### Do Smart Disk pro or みえるタイマー have ads?

みえるタイマー shows ads; Smart Disk pro does not.

### Which is updated more often, Smart Disk pro or みえるタイマー?

Smart Disk pro ships an update every 6 weeks, and みえるタイマー every 3 days. Most recently, Smart Disk pro was updated on October 7, 2026 and みえるタイマー on September 25, 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.*