# Paires de nombres vs Trig Function(Math Drills)

The clearest difference is price: Trig Function(Math Drills) at Free against Paires de nombres's $1.99. Trig Function(Math Drills) also leads on update cadence (every 4 days vs every 7 months). Paires de nombres's advantage is device support (4 vs 2). On ads, in-app purchases and iOS requirement there is nothing between them.

Trig Function(Math Drills) is free to download; Paires de nombres costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Paires de nombres ships an update every 7 months, Trig Function(Math Drills) every 4 days. The most recent releases landed on May 16, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Paires de nombres | Trig Function(Math Drills) |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 days** |
| Monetization | — | Free |
| Size | 26 MB | 28 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CROMBEZ Emmanuel](https://appshunter.io/developer/375656695) | [郷 田村](https://appshunter.io/developer/1574588679) |

## What reviewers say

### Paires de nombres

[App page](https://appshunter.io/ios/app/paires-de-nombres/id637855900)

**In-app purchases:** none


### Trig Function(Math Drills)

[App page](https://appshunter.io/ios/app/trig-functionmath-drills/id1670535500)

Practice trigonometric functions offline with automated question generation and correctness judgment. Review tips and answers, and compete in Challenge Mode to improve your rank. Ideal for students needing to master trigonometry.

**Highlights:** Offline learning, Automated question generation, Correctness judgment, Tips and answers, Challenge Mode, Rank improvement

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Paires de nombres free?

Paires de nombres costs $1.99, with no in-app purchases.

### Is Trig Function(Math Drills) free?

Trig Function(Math Drills) is free to download, with no in-app purchases.

### Do Paires de nombres or Trig Function(Math Drills) have ads?

Neither Paires de nombres nor Trig Function(Math Drills) shows ads.

### Which is updated more often, Paires de nombres or Trig Function(Math Drills)?

Paires de nombres ships an update every 7 months, and Trig Function(Math Drills) every 4 days. Most recently, Paires de nombres was updated on May 16, 2026 and Trig Function(Math Drills) on October 15, 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.*