# Math Grid vs いっこふえた Nova Dot

The clearest difference is update cadence: いっこふえた Nova Dot at every 4 days against Math Grid's fortnightly. Math Grid's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Math Grid sells 12 one-off in-app purchases and いっこふえた Nova Dot sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Math Grid ships an update fortnightly, いっこふえた Nova Dot every 4 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Math Grid | いっこふえた Nova Dot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (5.6K ratings)](https://appshunter.io/ios/app/math-grid-number-puzzle-game/id6474383206/reviews)** | — |
| Number of ratings | **5.6K** | — |
| Positive reviews | 70.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 197 MB | 33 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Aged Studio Limited](https://appshunter.io/developer/1482887934) | [Takashi Iwasaki](https://appshunter.io/developer/1868144425) |

## What reviewers say

### Math Grid

[App page](https://appshunter.io/ios/app/math-grid-number-puzzle-game/id6474383206)

Engage your mind with a free math crossword puzzle game that sharpens logical thinking and memory. Solve number puzzles using basic arithmetic operations, with adjustable difficulty levels and daily challenges.

**Highlights:** Brain training math puzzles, Addition, subtraction, multiplication, division, Adjustable difficulty levels, Daily challenges and trophies, Endless mode with global rankings, Offline play

**Features:** macOS Compatibility

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Special Offer | $0.99 | one-time |
| Coin_a | $0.99 | one-time |
| Coin_b | $3.99 | one-time |
| Medium Bundle | $4.99 | one-time |
| Remove ads | $7.99 | one-time |
| Coin_c | $8.99 | one-time |
| Big Bundle | $9.99 | one-time |
| Coin_d | $17.99 | one-time |
| Large Bundle | $19.99 | one-time |
| Coin_e | $29.99 | one-time |
| Mega Bundle | $49.99 | one-time |
| Coin_f | $49.99 | one-time |

**What reviewers like**

- 👍 Fun and engaging
- 🧠 Helps improve math skills
- 🤩 Consistently rewarding

**What reviewers complain about**

- 🙄 Too many ads
- 😒 Puzzles too easy, even on expert mode
- 🙃 Ads sometimes longer than solving puzzles

**Reported bugs**

- Last update made game unplayable on older devices
- Answers in the right order if entered left to right

**Requested features**

- More challenging puzzles
- Option to remove ads


### いっこふえた Nova Dot

[App page](https://appshunter.io/ios/app/nova-dot-brain-game/id6802919297)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Math Grid free?

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

### Is いっこふえた Nova Dot free?

いっこふえた Nova Dot is free to download, with in-app purchases available.

### Do Math Grid or いっこふえた Nova Dot have ads?

Both Math Grid and いっこふえた Nova Dot show ads.

### Which is updated more often, Math Grid or いっこふえた Nova Dot?

Math Grid ships an update fortnightly, and いっこふえた Nova Dot every 4 days. Most recently, Math Grid was updated on October 30, 2026 and いっこふえた Nova Dot 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.*