# ただの電卓 vs Nagi Planner

The clearest difference is in-app purchases: ただの電卓 at none against Nagi Planner's 2. ただの電卓 also leads on iOS requirement (12.0 vs 15.0). Nagi Planner's advantage is update cadence (daily vs fortnightly). On price, ads and device support there is nothing between them.

Both are free to download. Nagi Planner sells 2 in-app purchases, starting at $4.99 per month. ただの電卓 asks for nothing beyond the download.

ただの電卓 ships an update fortnightly, Nagi Planner daily. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ただの電卓 | Nagi Planner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/id1573909569/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Size | 14 MB | 25 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [HIROKI HORIGUCHI](https://appshunter.io/developer/1535451720) | [MIKI SHOJI](https://appshunter.io/developer/6821204105) |

## What reviewers say

### ただの電卓

[App page](https://appshunter.io/ios/app/id1573909569)

**Features:** macOS Compatibility

**In-app purchases:** none


### Nagi Planner

[App page](https://appshunter.io/ios/app/nagi-planner/id6821204103)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| すべての機能（月額） | $4.99 | per month |
| すべての機能（買い切り） | $79.99 | one-time |


## Frequently asked questions

### Is ただの電卓 free?

ただの電卓 is free to download, with no in-app purchases.

### Is Nagi Planner free?

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

### Do ただの電卓 or Nagi Planner have ads?

Neither ただの電卓 nor Nagi Planner shows ads.

### Which is updated more often, ただの電卓 or Nagi Planner?

ただの電卓 ships an update fortnightly, and Nagi Planner daily. Most recently, ただの電卓 was updated on October 12, 2026 and Nagi Planner on October 24, 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.*