# Sentence Ninja vs Scholar Planet

The clearest difference is price: Scholar Planet at Free against Sentence Ninja's $21.99. Scholar Planet also leads on rating (5.0 vs 4.2) and update cadence (fortnightly vs every 12 months). Sentence Ninja's advantage is in-app purchases (none vs 10). On ratings volume, ads and iOS requirement there is nothing between them.

Scholar Planet is free to download; Sentence Ninja costs $21.99 up front. Scholar Planet sells 10 in-app purchases, starting at $0.49 per month. Sentence Ninja asks for nothing beyond the download.

Scholar Planet holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 5 and 12 respectively. Written reviews point the same way: 86% of Sentence Ninja's written reviews are positive against 100% of Scholar Planet's.

Sentence Ninja ships an update every 12 months, Scholar Planet fortnightly. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Sentence Ninja | Scholar Planet |
| --- | --- | --- |
| Price | $21.99 | **Free** |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/sentence-ninja/id685971804/reviews) | **[5.0 (12 ratings)](https://appshunter.io/ios/app/scholar-planet/id1530444995/reviews)** |
| Number of ratings | 5 | **12** |
| Positive reviews | 85.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Fortnightly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 196 MB | 92 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 9+ |
| Developer | [Smarty Ears](https://appshunter.io/developer/348779167) | [Gcap World Softech Private Limited](https://appshunter.io/developer/1530445297) |

## What reviewers say

### Sentence Ninja

[App page](https://appshunter.io/ios/app/sentence-ninja/id685971804)

This app helps users of all ages master sentence structure through a gamified, ninja-themed learning experience. It offers tailored features for families, educators, and speech therapists, with progress tracking and printable resources.

**Highlights:** Ninja-themed progression, 39 levels of difficulty, Printable worksheets, Progress tracking for multiple students, Clinical customization options, Evidence-based linguistic hierarchy

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

**In-app purchases:** none


### Scholar Planet

[App page](https://appshunter.io/ios/app/scholar-planet/id1530444995)

An integrated e-learning platform connecting students, parents, teachers, and schools. It offers global content, interactive games, assignments, and tests for classes 3-12, with detailed performance tracking for all users. The ad-free environment ensures a safe and focused learning experience.

**Highlights:** Global content for classes 3-12, MCQ-based learning, Assignments and revision tests, Practice with friends sessions, Performance tracking dashboard, Mindful games for breaks, Ad-free learning environment

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scholar Planet Monthly | $0.49 | per month |
| SCHOLAR JEE MONTHLY | $0.99 | per month |
| SCHOLAR PRO MONTHLY | $2.99 | per month |
| SCHOLAR JEE YEARLY | $4.99 | per year |
| PRO MONTHLY | $5.99 | per month |
| STARTER MONTHLY | $5.99 | per month |
| SCHOLAR PRO YEARLY | $24.99 | per year |
| SCHOLAR_STARTER_YEARLY | $24.99 | per year |
| PRO YEARLY | $49.99 | per year |
| STARTER YEARLY | $49.99 | per year |


## Frequently asked questions

### Is Sentence Ninja free?

Sentence Ninja costs $21.99, with no in-app purchases.

### Is Scholar Planet free?

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

### Which has better reviews, Sentence Ninja or Scholar Planet?

Scholar Planet is rated higher. Sentence Ninja averages 4.2 out of 5 from 5 ratings, while Scholar Planet averages 5.0 from 12 ratings.

### Do Sentence Ninja or Scholar Planet have ads?

Neither Sentence Ninja nor Scholar Planet shows ads.

### Which is updated more often, Sentence Ninja or Scholar Planet?

Sentence Ninja ships an update every 12 months, and Scholar Planet fortnightly. Most recently, Sentence Ninja was updated on November 6, 2026 and Scholar Planet on November 3, 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.*