# Ninimaths vs drillio

The clearest difference is ads: Ninimaths at none against drillio's shown. Ninimaths also leads on rating (4.9 vs 4.5) and ratings volume (45 vs 8). drillio's advantage is update cadence (fortnightly vs every 2 months). On price, review sentiment, in-app purchases and monetization model there is nothing between them.

Both are free to download. Ninimaths sells 3 one-off in-app purchases and drillio sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Ninimaths holds the better App Store score, 4.9 against 4.5. That said, the two scores are not equally well evidenced: Ninimaths has 45 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 97% of Ninimaths's written reviews are positive against 90% of drillio's.

Ninimaths ships an update every 2 months, drillio fortnightly. The most recent releases landed on September 25, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Ninimaths | drillio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (45 ratings)](https://appshunter.io/ios/app/ninimaths/id647989498/reviews)** | [4.5 (8 ratings)](https://appshunter.io/ios/app/drillio-mental-math-training/id6444734622/reviews) |
| Number of ratings | **45** | 8 |
| Positive reviews | **97.4% of reviews** | 90.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 11 MB | 33 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ninicode](https://appshunter.io/developer/647989501) | [Ryo Iida](https://appshunter.io/developer/1506522991) |

## 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 |


### drillio

[App page](https://appshunter.io/ios/app/drillio-mental-math-training/id6444734622)

Enhance your calculation abilities with engaging mental math exercises. This app offers customizable practice cards for addition, subtraction, multiplication, and division, along with progress tracking to keep you motivated.

**Highlights:** Mental math cards for calculation techniques, Customizable practice modes, Progress tracking via stats tab, Engaging brain-boosting exercises, Covers addition, subtraction, multiplication, division

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| drillio PRO Monthly | $1.99 | per month |
| drillio PRO campaign | $14.99 | per year |
| drillio PRO Annual | $14.99 | per year |


## Frequently asked questions

### Is Ninimaths free?

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

### Is drillio free?

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

### Which has better reviews, Ninimaths or drillio?

Ninimaths is rated higher. Ninimaths averages 4.9 out of 5 from 45 ratings, while drillio averages 4.5 from 8 ratings.

### Do Ninimaths or drillio have ads?

drillio shows ads; Ninimaths does not.

### Which is updated more often, Ninimaths or drillio?

Ninimaths ships an update every 2 months, and drillio fortnightly. Most recently, Ninimaths was updated on September 25, 2026 and drillio on September 20, 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.*