# Ninimaths vs ガス溶接技能講習 | 2026年対策問題

The clearest difference is price: Ninimaths at Free against ガス溶接技能講習 | 2026年対策問題's $1.99. Ninimaths also leads on iOS requirement (13.0 vs 17.0). ガス溶接技能講習 | 2026年対策問題's advantage is in-app purchases (none vs 3). On ads and device support there is nothing between them.

Ninimaths is free to download; ガス溶接技能講習 | 2026年対策問題 costs $1.99 up front. Ninimaths sells 3 one-off in-app purchases. ガス溶接技能講習 | 2026年対策問題 asks for nothing beyond the download.

## The numbers

| Metric | Ninimaths | ガス溶接技能講習 | 2026年対策問題 |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.9 (46 ratings)](https://appshunter.io/ios/app/ninimaths/id647989498/reviews)** | — |
| Number of ratings | **46** | — |
| Positive reviews | 97.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 5 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ninicode](https://appshunter.io/developer/647989501) | [Masaki Kobayashi](https://appshunter.io/developer/1882180437) |

## What reviewers say

### Ninimaths

[App page](https://appshunter.io/ios/app/ninimaths/id647989498)

Enhance your mental arithmetic skills with a variety of calculation modes. Practice addition, subtraction, multiplication, and division with customizable number ranges and column display. Track your progress with daily scores and compete with others through a ranking system.

**Highlights:** Multiple calculation modes (add, subtract, multiply, divide, mix), Customizable number ranges (1-5 digits), Column display format, Daily score recording and graphing, Game Center ranking, Time trial mode

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $0.99 | one-time |
| Hamburger | $1.99 | one-time |
| Ramen | $4.99 | one-time |


### ガス溶接技能講習 | 2026年対策問題

[App page](https://appshunter.io/ios/app/2026/id6783867575)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ninimaths free?

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

### Is ガス溶接技能講習 | 2026年対策問題 free?

ガス溶接技能講習 | 2026年対策問題 costs $1.99, with no in-app purchases.

### Do Ninimaths or ガス溶接技能講習 | 2026年対策問題 have ads?

Neither Ninimaths nor ガス溶接技能講習 | 2026年対策問題 shows ads.

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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.*