# DOTENKO vs Flip Jacks

The clearest difference is in-app purchases: Flip Jacks at none against DOTENKO's 2. Flip Jacks also leads on ads (none vs shown) and iOS requirement (12.0 vs 17.0). DOTENKO's advantage is update cadence (weekly vs every 18 months). On price 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. Flip Jacks asks for nothing beyond the download.

DOTENKO ships an update weekly, Flip Jacks every 18 months. Both last shipped on October 2, 2026.

## The numbers

| Metric | DOTENKO | Flip Jacks |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 18 months |
| Size | 102 MB | 47 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Takuma Shinoda](https://appshunter.io/developer/1713355943) | [Scott Doxey](https://appshunter.io/developer/1742471388) |

## 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 |


### Flip Jacks

[App page](https://appshunter.io/ios/app/flip-jacks/id6499108375)

**In-app purchases:** none


## Frequently asked questions

### Is DOTENKO free?

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

### Is Flip Jacks free?

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

### Do DOTENKO or Flip Jacks have ads?

DOTENKO shows ads; Flip Jacks does not.

### Which is updated more often, DOTENKO or Flip Jacks?

DOTENKO ships an update weekly, and Flip Jacks every 18 months. Most recently, DOTENKO was updated on October 2, 2026 and Flip Jacks on October 2, 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.*