# Hidden Numbers vs PlusGrid

The clearest difference is in-app purchases: PlusGrid at none against Hidden Numbers's 1. PlusGrid also leads on ads (none vs shown) and update cadence (every 3 days vs every 12 months). Hidden Numbers's advantage is ratings volume (4 vs 1) and iOS requirement (12.0 vs 15.1). On price, rating and device support there is nothing between them.

Both are free to download. Hidden Numbers sells 1 one-off in-app purchase. PlusGrid asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Hidden Numbers against 5.0 for PlusGrid. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

Hidden Numbers ships an update every 12 months, PlusGrid every 3 days. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Hidden Numbers | PlusGrid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/hidden-numbers-math-game/id1134423185/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/plusgrid-math-sudoku-puzzle/id6769464938/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 18 MB | 30 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michal Sajban](https://appshunter.io/developer/1523258286) | [YAROSLAV RUDENKO](https://appshunter.io/developer/1896660662) |

## What reviewers say

### Hidden Numbers

[App page](https://appshunter.io/ios/app/hidden-numbers-math-game/id1134423185)

Master math and counting with engaging puzzles. This game offers dynamic modes, custom difficulty, and timed or relaxed play. Compete globally and play offline to sharpen your arithmetic skills.

**Highlights:** 7 Dynamic Game Modes, Custom Difficulty, Timed vs. Relaxed Play, Global Leaderboards, 100% Offline Play, Arithmetic Skill Improvement

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version + no ads! | $1.99 | one-time |


### PlusGrid

[App page](https://appshunter.io/ios/app/plusgrid-math-sudoku-puzzle/id6769464938)

This number puzzle game combines elements of Sudoku, Kakuro, and Killer Sudoku. Fill grids with digits so rows and columns sum correctly, with no repeating numbers. Enjoy multiple grid sizes, difficulties, and helpful features for a relaxing brain workout.

**Highlights:** Sudoku, Kakuro, and Killer Sudoku mix, Multiple grid sizes (3x3, 4x4, 5x5), Three difficulty levels, Pencil marks, hints, and undo, Timer, streaks, and best times, Light and dark themes, Offline play

**In-app purchases:** none


## Frequently asked questions

### Is Hidden Numbers free?

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

### Is PlusGrid free?

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

### Which has better reviews, Hidden Numbers or PlusGrid?

Hidden Numbers and PlusGrid are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do Hidden Numbers or PlusGrid have ads?

Hidden Numbers shows ads; PlusGrid does not.

### Which is updated more often, Hidden Numbers or PlusGrid?

Hidden Numbers ships an update every 12 months, and PlusGrid every 3 days. Most recently, Hidden Numbers was updated on October 24, 2026 and PlusGrid on October 6, 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.*