# Big or Small vs Main Idea

The clearest difference is review sentiment: Main Idea at 85% against Big or Small's 0%. Main Idea also leads on rating (4.3 vs 2.3) and update cadence (every 3 months vs every 8 months). Big or Small's advantage is price ($4.99 vs $6.99). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Big or Small costs $4.99 and Main Idea $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Main Idea holds the better App Store score, 4.3 against 2.3. Both are backed by a comparable volume of ratings — 3 and 6 respectively. Written reviews point the same way: 0% of Big or Small's written reviews are positive against 85% of Main Idea's.

Big or Small ships an update every 8 months, Main Idea every 3 months. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Big or Small | Main Idea |
| --- | --- | --- |
| Price | **$4.99** | $6.99 |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/big-or-small-brain-training/id429988765/reviews) | **[4.3 (6 ratings)](https://appshunter.io/ios/app/main-ideasentences/id895686005/reviews)** |
| Number of ratings | 3 | **6** |
| Positive reviews | 0.0% of reviews | **84.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 months** |
| Monetization | Paid | Paid |
| Size | 8 MB | 22 MB |
| Requires iOS | 17.0 | **12.2** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AME Mobile Inc.](https://appshunter.io/developer/384838622) | [Janine Toole](https://appshunter.io/developer/839832427) |

## What reviewers say

### Big or Small

[App page](https://appshunter.io/ios/app/big-or-small-brain-training/id429988765)

This app helps young children, particularly those with language delays, learn fundamental concepts like size, quantity, and numbers through interactive play. It's designed to support early language development and comprehension using visuals and audio prompts.

**Highlights:** Teaches big, small, quantity, numbers, and position, Uses visuals and audio prompts for comprehension, Reinforcement based on ABA principles, Friendly interface for toddlers and preschoolers, Supports native language instructions, Includes letters A-Z and numbers 1-20

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

**In-app purchases:** none


### Main Idea

[App page](https://appshunter.io/ios/app/main-ideasentences/id895686005)

This app helps children in grades 2-5 improve their reading comprehension by teaching them to identify the main idea of sentences. It uses a fun, game-like environment with step-by-step learning and a reward system to keep kids motivated.

**Highlights:** Step-by-step skill building, Incremental learning with unlocked levels, Frustration-free guided learning, Engaging reward center, Parental review and reporting, Over 600 examples, Timed levels for fluency

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Big or Small free?

Big or Small costs $4.99, with no in-app purchases.

### Is Main Idea free?

Main Idea costs $6.99, with no in-app purchases.

### Which has better reviews, Big or Small or Main Idea?

Main Idea is rated higher. Big or Small averages 2.3 out of 5 from 3 ratings, while Main Idea averages 4.3 from 6 ratings.

### Do Big or Small or Main Idea have ads?

Neither Big or Small nor Main Idea shows ads.

### Which is updated more often, Big or Small or Main Idea?

Big or Small ships an update every 8 months, and Main Idea every 3 months. Most recently, Big or Small was updated on November 1, 2026 and Main Idea on October 24, 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.*