# DayTimer vs 超シンプル電圧降下計算

The clearest difference is in-app purchases: DayTimer at none against 超シンプル電圧降下計算's 1. DayTimer also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.0). 超シンプル電圧降下計算's advantage is update cadence (daily vs every 3 weeks). On price and ads there is nothing between them.

Both are free to download. 超シンプル電圧降下計算 sells 1 one-off in-app purchase. DayTimer asks for nothing beyond the download.

DayTimer ships an update every 3 weeks, 超シンプル電圧降下計算 daily. The most recent releases landed on September 30, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | DayTimer | 超シンプル電圧降下計算 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Daily** |
| Size | 216 MB | 6 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ZOOMO Inc.](https://appshunter.io/developer/490112424) | [SUMMERBANANA](https://appshunter.io/developer/1722829517) |

## What reviewers say

### DayTimer

[App page](https://appshunter.io/ios/app/daytimer/id6502453027)

**Features:** macOS Compatibility

**In-app purchases:** none


### 超シンプル電圧降下計算

[App page](https://appshunter.io/ios/app/id6760455127)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告削除 | $1.99 | one-time |


## Frequently asked questions

### Is DayTimer free?

DayTimer is free to download, with no in-app purchases.

### Is 超シンプル電圧降下計算 free?

超シンプル電圧降下計算 is free to download, with in-app purchases available.

### Do DayTimer or 超シンプル電圧降下計算 have ads?

Both DayTimer and 超シンプル電圧降下計算 show ads.

### Which is updated more often, DayTimer or 超シンプル電圧降下計算?

DayTimer ships an update every 3 weeks, and 超シンプル電圧降下計算 daily. Most recently, DayTimer was updated on September 30, 2026 and 超シンプル電圧降下計算 on October 5, 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.*