# Kakuro u vs ArrowCore

The clearest difference is ads: ArrowCore at none against Kakuro u's shown. ArrowCore also leads on update cadence (every 5 days vs every 3 weeks). Kakuro u's advantage is device support (3 vs 1) and iOS requirement (14.1 vs 16.6). On price and in-app purchases there is nothing between them.

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

Kakuro u ships an update every 3 weeks, ArrowCore every 5 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Kakuro u | ArrowCore |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (303 ratings)](https://appshunter.io/ios/app/kakuro-u/id306200861/reviews)** | — |
| Number of ratings | **303** | — |
| Positive reviews | 43.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 168 MB | 8 MB |
| Requires iOS | **14.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Mastersoft](https://appshunter.io/developer/994180799) | [UGUR TALAT UNESI](https://appshunter.io/developer/1808435650) |

## What reviewers say

### Kakuro u

[App page](https://appshunter.io/ios/app/kakuro-u/id306200861)

Engage in a classic math logic puzzle game that offers a challenging and addictive experience. Explore a vast number of puzzles with unique features designed for daily brain training or relaxation. Progress through difficulty levels and master complex number combinations.

**Highlights:** Unlimited Kakuro puzzles, Puzzle generator, Bookmark and 'Ball of String' function, Combo calculator, Color-coded entries, Multiple hint types, Six difficulty levels and board sizes

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro Subscription | $1.99 | per month |
| Purchase Kakuro Outright | $2.99 | one-time |

**What reviewers like**

- 🚀 Glitchy but great
- 👍 Love this game, keeps you thinking
- 🚀 Good standards on games
- 👍 Awesome game for any Kakuro fan
- 👍 Addicting

**What reviewers complain about**

- 🐛 Ruined by updates
- 🐛 No hard levels
- 🐛 Ruined by updates
- 🐛 Can't even input numbers
- 🐛 Broken

**Reported bugs**

- Glitchy, crashes often
- Doesn't work on iOS 8
- Doesn't work anymore after updates
- Buttons don't respond
- Loses progress when app is interrupted

**Requested features**

- Easier way to mark the board and rewind to an earlier mark
- Dark mode option
- More hints for beginners


### ArrowCore

[App page](https://appshunter.io/ios/app/arrowcore/id6767075987)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Remove Ads) | $1.99 | one-time |


## Frequently asked questions

### Is Kakuro u free?

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

### Is ArrowCore free?

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

### Do Kakuro u or ArrowCore have ads?

Kakuro u shows ads; ArrowCore does not.

### Which is updated more often, Kakuro u or ArrowCore?

Kakuro u ships an update every 3 weeks, and ArrowCore every 5 days. Most recently, Kakuro u was updated on October 31, 2026 and ArrowCore on October 31, 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.*