# Lexia Core5 Reading vs V4 Science

The clearest difference is in-app purchases: Lexia Core5 Reading at none against V4 Science's 10. V4 Science's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. V4 Science sells 10 one-off in-app purchases. Lexia Core5 Reading asks for nothing beyond the download.

## The numbers

| Metric | Lexia Core5 Reading | V4 Science |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (14K ratings)](https://appshunter.io/ios/app/lexia-core5-reading/id623853404/reviews)** | — |
| Number of ratings | **14K** | — |
| Positive reviews | 40.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | — |
| Size | 460 MB | 146 MB |
| Requires iOS | 16.0 | **15.5** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lexia Learning Systems, LLC](https://appshunter.io/developer/412471949) | [Online Learning](https://appshunter.io/developer/1790866777) |

## What reviewers say

### Lexia Core5 Reading

[App page](https://appshunter.io/ios/app/lexia-core5-reading/id623853404)

This app accelerates literacy development for students in preK-5 by providing personalized, science-based reading instruction. It adapts to individual student performance, targets skill gaps, and equips educators with real-time data and resources for tailored instruction.

**Highlights:** Personalized adaptive learning, Science of reading based instruction, Targets skill gaps, Real-time progress monitoring, Actionable data for educators, Six critical reading areas

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Helpful for learning and improving reading skills
- 🚀 Allows users to skip levels and progress quickly
- 💡 Engaging and fun for some users

**What reviewers complain about**

- 🐛 Glitchy and buggy, with issues like freezing and crashing
- ⏱️ Slow loading times and long lesson explanations
- 🤖 Repetitive and boring for some users
- 🤯 Frustrating and overwhelming for some students

**Reported bugs**

- Login issues and inability to access account
- Incorrect answers being marked as wrong
- Levels resetting unexpectedly or not progressing properly

**Requested features**

- Add a skip button or option to speed up lesson explanations
- Improve compatibility with older devices and tablets
- Provide more challenging content for advanced users
- Offer more customization and personalization options


### V4 Science

[App page](https://appshunter.io/ios/app/v4-science/id6754686727)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - AU | $34.99 | one-time |
| Package - BA | $39.99 | one-time |
| Package - BB | $39.99 | one-time |
| Package - AW | $39.99 | one-time |
| Package - AY | $39.99 | one-time |
| Package - AX | $39.99 | one-time |
| Package - BC | $39.99 | one-time |
| Package - BE | $44.99 | one-time |
| Package - BF | $49.99 | one-time |
| Package - BH | $49.99 | one-time |


## Frequently asked questions

### Is Lexia Core5 Reading free?

Lexia Core5 Reading is free to download, with no in-app purchases.

### Is V4 Science free?

V4 Science is free to download, with in-app purchases available.

### Do Lexia Core5 Reading or V4 Science have ads?

Neither Lexia Core5 Reading nor V4 Science shows ads.

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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.*