# 年号早見メモ帳 vs LEFT / RIGHT

The clearest difference is in-app purchases: 年号早見メモ帳 at none against LEFT / RIGHT's 10. LEFT / RIGHT's advantage is update cadence (daily vs every 5 weeks) and iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

年号早見メモ帳 costs $0.49 and LEFT / RIGHT $0.49 up front. LEFT / RIGHT sells 10 one-off in-app purchases. 年号早見メモ帳 asks for nothing beyond the download.

年号早見メモ帳 ships an update every 5 weeks, LEFT / RIGHT daily. Both last shipped on October 25, 2026.

## The numbers

| Metric | 年号早見メモ帳 | LEFT / RIGHT |
| --- | --- | --- |
| Price | $0.49 | $0.49 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Daily** |
| Size | 98 MB | 63 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [OGUMA PRODUCTS](https://appshunter.io/developer/1609036383) | [RIEKO NAITO](https://appshunter.io/developer/1823123668) |

## What reviewers say

### 年号早見メモ帳

[App page](https://appshunter.io/ios/app/id6444688663)

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

**In-app purchases:** none


### LEFT / RIGHT

[App page](https://appshunter.io/ios/app/left-right-diary-and-plans/id6812054713)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Digital Green | $0.49 | one-time |
| Heisei Retro | $0.49 | one-time |
| Moonlit Carnival | $0.49 | one-time |
| Neon Atami | $0.49 | one-time |
| Stardust Aquarium | $0.49 | one-time |
| Nightmare Candy | $0.49 | one-time |
| Cyber Rococo | $0.49 | one-time |
| Industrial | $0.49 | one-time |
| Electric Street | $0.49 | one-time |
| Travel Journal | $1.99 | one-time |


## Frequently asked questions

### Is 年号早見メモ帳 free?

年号早見メモ帳 costs $0.49, with no in-app purchases.

### Is LEFT / RIGHT free?

LEFT / RIGHT costs $0.49, and also offers in-app purchases.

### Do 年号早見メモ帳 or LEFT / RIGHT have ads?

Neither 年号早見メモ帳 nor LEFT / RIGHT shows ads.

### Which is updated more often, 年号早見メモ帳 or LEFT / RIGHT?

年号早見メモ帳 ships an update every 5 weeks, and LEFT / RIGHT daily. Most recently, 年号早見メモ帳 was updated on October 25, 2026 and LEFT / RIGHT on October 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.*