# Pinu vs Sierra Math

The clearest difference is rating: Sierra Math at 5.0 against Pinu's 4.2. Pinu's advantage is monetization model (free vs free with in-app purchases) and ratings volume (43 vs 1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Pinu sells 6 in-app purchases, starting at $4.99 per 7 days and Sierra Math sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Sierra Math holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Pinu has 43 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Pinu | Sierra Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (43 ratings)](https://appshunter.io/ios/app/pinu-language-learning/id6758291757/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sierra-math-grade-3-practice/id6797675240/reviews)** |
| Number of ratings | **43** | 1 |
| Positive reviews | 52.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | **#165** | — |
| Size | 142 MB | 54 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [LEAF BOAT TECHNOLOGY LIMITED](https://appshunter.io/developer/1710999754) | [Tedi Widjaja](https://appshunter.io/developer/6778953721) |

## What reviewers say

### Pinu

[App page](https://appshunter.io/ios/app/pinu-language-learning/id6758291757)

**Currently charting:** #165 Top Free · Education (US App Store)

This app transforms language learning into a fun, game-like experience. It focuses on interactive lessons and real-world speaking practice to build confidence. Learn a new language step-by-step with a supportive virtual buddy.

**Highlights:** Gamified learning journey, Interactive map-based lessons, Virtual language buddy support, Real-world speaking practice, Instant feedback on exercises, Progressive language acquisition

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pinu - Languages Learning | $4.99 | per 7 days |
| Pinu | $15.99 | per month |
| Pinu | $15.99 | per month |
| Pinu | $99.99 | per year |
| Pinu | $99.99 | per year |
| Avatar Outfit Set | $1.99 | one-time |


### Sierra Math

[App page](https://appshunter.io/ios/app/sierra-math-grade-3-practice/id6797675240)

This app provides focused math practice for third graders, aligning with California's Common Core standards. It offers clear explanations for incorrect answers and tracks mastery over time, with weekly summaries for parents. Practice is available offline and designed for concentration, not distraction.

**Highlights:** 10-question practice sessions, Grade-appropriate explanations, Skill mastery tracking, Weekly parent summaries, Offline practice, No distracting game mechanics

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly · Best Value | $19.99 | per year |


## Frequently asked questions

### Is Pinu free?

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

### Is Sierra Math free?

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

### Which has better reviews, Pinu or Sierra Math?

Sierra Math is rated higher. Pinu averages 4.2 out of 5 from 43 ratings, while Sierra Math averages 5.0 from 1 ratings.

### Do Pinu or Sierra Math have ads?

Neither Pinu nor Sierra Math shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*