# スマホConnect vs DOTENKO電卓

The clearest difference is in-app purchases: スマホConnect at none against DOTENKO電卓's 1. スマホConnect also leads on ads (none vs shown) and iOS requirement (15.8.4 vs 17.0). DOTENKO電卓's advantage is update cadence (every 5 weeks vs every 10 months). On price and device support there is nothing between them.

Both are free to download. DOTENKO電卓 sells 1 one-off in-app purchase. スマホConnect asks for nothing beyond the download.

スマホConnect ships an update every 10 months, DOTENKO電卓 every 5 weeks. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | スマホConnect | DOTENKO電卓 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 5 weeks** |
| Size | 4 MB | 13 MB |
| Requires iOS | **15.8.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GreenBee, Inc](https://appshunter.io/developer/563496355) | [Takuma Shinoda](https://appshunter.io/developer/1713355943) |

## What reviewers say

### スマホConnect

[App page](https://appshunter.io/ios/app/connect/id6455788193)

**In-app purchases:** none


### DOTENKO電卓

[App page](https://appshunter.io/ios/app/dotenko/id6475644027)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is スマホConnect free?

スマホConnect is free to download, with no in-app purchases.

### Is DOTENKO電卓 free?

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

### Do スマホConnect or DOTENKO電卓 have ads?

DOTENKO電卓 shows ads; スマホConnect does not.

### Which is updated more often, スマホConnect or DOTENKO電卓?

スマホConnect ships an update every 10 months, and DOTENKO電卓 every 5 weeks. Most recently, スマホConnect was updated on September 30, 2026 and DOTENKO電卓 on October 7, 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.*