# DecideNow vs Oitayo

The clearest difference is ads: Oitayo at none against DecideNow's shown. Oitayo also leads on update cadence (every 2 days vs weekly). DecideNow's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price and in-app purchases there is nothing between them.

Both are free to download. DecideNow sells 1 one-off in-app purchase and Oitayo sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

DecideNow ships an update weekly, Oitayo every 2 days. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | DecideNow | Oitayo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 2 days** |
| Size | 46 MB | 1 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Takuma Nishimaki](https://appshunter.io/developer/1760543171) | [合同会社JProduct](https://appshunter.io/developer/1887137543) |

## What reviewers say

### DecideNow

[App page](https://appshunter.io/ios/app/decidenow-rational-decisions/id6596765054)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Pro | $2.99 | one-time |


### Oitayo

[App page](https://appshunter.io/ios/app/oitayo/id6793178359)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月額プラン | $1.99 | per month |
| 買い切り | $6.99 | one-time |


## Frequently asked questions

### Is DecideNow free?

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

### Is Oitayo free?

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

### Do DecideNow or Oitayo have ads?

DecideNow shows ads; Oitayo does not.

### Which is updated more often, DecideNow or Oitayo?

DecideNow ships an update weekly, and Oitayo every 2 days. Most recently, DecideNow was updated on October 8, 2026 and Oitayo on October 14, 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.*