# DOTENKO vs OFC Fantasy Optimizer

The clearest difference is update cadence: OFC Fantasy Optimizer at every 3 days against DOTENKO's weekly. OFC Fantasy Optimizer also leads on iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. DOTENKO sells 2 in-app purchases, starting at $2.99 per month and OFC Fantasy Optimizer sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

DOTENKO ships an update weekly, OFC Fantasy Optimizer every 3 days. The most recent releases landed on September 14, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | DOTENKO | OFC Fantasy Optimizer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 3 days** |
| Size | 102 MB | 19 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Takuma Shinoda](https://appshunter.io/developer/1713355943) | [KENTA YASUDA](https://appshunter.io/developer/1868585745) |

## What reviewers say

### DOTENKO

[App page](https://appshunter.io/ios/app/dotenko/id6470292688)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $29.99 | per year |


### OFC Fantasy Optimizer

[App page](https://appshunter.io/ios/app/ofc-fantasy-optimizer/id6757732173)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム (週間) | $2.99 | per 7 days |
| プレミアム (月間) | $5.99 | per month |
| 一生買い切りプラン | $99.99 | one-time |


## Frequently asked questions

### Is DOTENKO free?

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

### Is OFC Fantasy Optimizer free?

OFC Fantasy Optimizer is free to download, with in-app purchases available.

### Do DOTENKO or OFC Fantasy Optimizer have ads?

Both DOTENKO and OFC Fantasy Optimizer show ads.

### Which is updated more often, DOTENKO or OFC Fantasy Optimizer?

DOTENKO ships an update weekly, and OFC Fantasy Optimizer every 3 days. Most recently, DOTENKO was updated on September 14, 2026 and OFC Fantasy Optimizer on September 20, 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.*