# 左(右) vs Simple Timer

The clearest difference is in-app purchases: 左(右) at none against Simple Timer's 1. 左(右) also leads on ads (none vs shown) and update cadence (every 2 days vs every 5 days). On price and device support there is nothing between them.

Both are free to download. Simple Timer sells 1 one-off in-app purchase. 左(右) asks for nothing beyond the download.

左(右) ships an update every 2 days, Simple Timer every 5 days. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 左(右) | Simple Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 5 days |
| Size | 1 MB | 7 MB |
| Requires iOS | **10.0** | 16.6 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Osamu Hiraoka](https://appshunter.io/developer/1519443931) | [EGG STUDIO LIMITED LIABILITY CO](https://appshunter.io/developer/995821190) |

## What reviewers say

### 左(右)

[App page](https://appshunter.io/ios/app/id1594068919)

**In-app purchases:** none


### Simple Timer

[App page](https://appshunter.io/ios/app/simple-timer-time-management/id6737900369)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Plan | $2.99 | one-time |


## Frequently asked questions

### Is 左(右) free?

左(右) is free to download, with no in-app purchases.

### Is Simple Timer free?

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

### Do 左(右) or Simple Timer have ads?

Simple Timer shows ads; 左(右) does not.

### Which is updated more often, 左(右) or Simple Timer?

左(右) ships an update every 2 days, and Simple Timer every 5 days. Most recently, 左(右) was updated on October 27, 2026 and Simple Timer on October 28, 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.*