# LudiTab Sizes vs Smart Directions

The clearest difference is in-app purchases: LudiTab Sizes at none against Smart Directions's 1. LudiTab Sizes also leads on update cadence (every 2 months vs every 4 months) and device support (3 vs 1). On price, review sentiment and ads there is nothing between them.

Both are free to download. Smart Directions sells 1 one-off in-app purchase. LudiTab Sizes asks for nothing beyond the download.

LudiTab Sizes ships an update every 2 months, Smart Directions every 4 months. The most recent releases landed on October 29, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | LudiTab Sizes | Smart Directions |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 81 MB | 159 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [SEJER](https://appshunter.io/developer/358080691) | [Domino (apps)](https://appshunter.io/developer/910245348) |

## What reviewers say

### LudiTab Sizes

[App page](https://appshunter.io/ios/app/luditab-sizes/id1275104569)

This app uses five playful activities inspired by Goldilocks and the Three Bears to help young children learn about and compare three different sizes. It features oral instructions for independent play and an intuitive interface.

**Highlights:** Learn size distinction, Compare three sizes, Goldilocks-themed activities, Oral instructions for independent play, Vocabulary building, Pattern recognition, Observation skills

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart Directions

[App page](https://appshunter.io/ios/app/smart-directions/id1449611242)

This app helps children improve oral and written comprehension skills through interactive game boards and customizable directions. It offers eight types of directions, progressing in difficulty, and concludes with a reinforcement game. An integrated editor allows for custom content creation.

**Highlights:** Illustrated game boards, Written or spoken directions, Eight direction types, Progressive difficulty levels, Reinforcement game, Custom direction editor

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Smart Directions Full Version | $24.99 | one-time |


## Frequently asked questions

### Is LudiTab Sizes free?

LudiTab Sizes is free to download, with no in-app purchases.

### Is Smart Directions free?

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

### Do LudiTab Sizes or Smart Directions have ads?

Neither LudiTab Sizes nor Smart Directions shows ads.

### Which is updated more often, LudiTab Sizes or Smart Directions?

LudiTab Sizes ships an update every 2 months, and Smart Directions every 4 months. Most recently, LudiTab Sizes was updated on October 29, 2026 and Smart Directions on October 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.*