# Water Drops One vs ToDoBuff ~ToDo×Scheduling

The clearest difference is ads: Water Drops One at none against ToDoBuff ~ToDo×Scheduling's shown. Water Drops One also leads on device support (3 vs 1) and iOS requirement (11.0 vs 16.6). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Water Drops One sells 1 one-off in-app purchase and ToDoBuff ~ToDo×Scheduling sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Water Drops One ships an update every 11 days, ToDoBuff ~ToDo×Scheduling every 3 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Water Drops One | ToDoBuff ~ToDo×Scheduling |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 11 days** | Every 3 weeks |
| Size | 118 MB | 14 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [takanori hosoi](https://appshunter.io/developer/642106741) | [Taito Iikura](https://appshunter.io/developer/1506013840) |

## What reviewers say

### Water Drops One

[App page](https://appshunter.io/ios/app/water-drops-one/id1286798065)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告除去 | $1.99 | one-time |


### ToDoBuff ~ToDo×Scheduling

[App page](https://appshunter.io/ios/app/todobuff-todoscheduling/id6740168317)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ads Removal | $14.99 | one-time |


## Frequently asked questions

### Is Water Drops One free?

Water Drops One is free to download, with in-app purchases available.

### Is ToDoBuff ~ToDo×Scheduling free?

ToDoBuff ~ToDo×Scheduling is free to download, with in-app purchases available.

### Do Water Drops One or ToDoBuff ~ToDo×Scheduling have ads?

ToDoBuff ~ToDo×Scheduling shows ads; Water Drops One does not.

### Which is updated more often, Water Drops One or ToDoBuff ~ToDo×Scheduling?

Water Drops One ships an update every 11 days, and ToDoBuff ~ToDo×Scheduling every 3 weeks. Most recently, Water Drops One was updated on October 29, 2026 and ToDoBuff ~ToDo×Scheduling on October 30, 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.*