# 立教電卓 vs Gen

The clearest difference is in-app purchases: 立教電卓 at none against Gen's 1. 立教電卓 also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Gen sells 1 one-off in-app purchase. 立教電卓 asks for nothing beyond the download.

立教電卓 ships an update every 2 months, Gen every 3 months. The most recent releases landed on October 7, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | 立教電卓 | Gen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 5 MB | 7 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Suits](https://appshunter.io/developer/511704647) | [Kei Suefuji](https://appshunter.io/developer/1388335881) |

## What reviewers say

### 立教電卓

[App page](https://appshunter.io/ios/app/id1018149749)

**Features:** macOS Compatibility

**In-app purchases:** none


### Gen

[App page](https://appshunter.io/ios/app/gen-go/id6445837465)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PREMIUM | $3.99 | one-time |


## Frequently asked questions

### Is 立教電卓 free?

立教電卓 is free to download, with no in-app purchases.

### Is Gen free?

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

### Do 立教電卓 or Gen have ads?

Gen shows ads; 立教電卓 does not.

### Which is updated more often, 立教電卓 or Gen?

立教電卓 ships an update every 2 months, and Gen every 3 months. Most recently, 立教電卓 was updated on October 7, 2026 and Gen on September 29, 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.*