# Lava Matra vs DataExpert / TechExpert

The clearest difference is in-app purchases: Lava Matra at none against DataExpert / TechExpert's 3. Lava Matra also leads on update cadence (every 4 days vs every 2 weeks) and iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. DataExpert / TechExpert sells 3 in-app purchases, starting at $59.99 per month. Lava Matra asks for nothing beyond the download.

Lava Matra ships an update every 4 days, DataExpert / TechExpert every 2 weeks. The most recent releases landed on October 17, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Lava Matra | DataExpert / TechExpert |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dataexpert-techexpert/id6790558872/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 95 MB | 66 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Saravana Kumar Nagarajan](https://appshunter.io/developer/1360764600) | [TechExpert.io](https://appshunter.io/developer/6790558874) |

## What reviewers say

### Lava Matra

[App page](https://appshunter.io/ios/app/lava-matra/id6759313651)

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

**In-app purchases:** none


### DataExpert / TechExpert

[App page](https://appshunter.io/ios/app/dataexpert-techexpert/id6790558872)

Engage with a learning community, watch educational videos, and stay updated on your studies. Access premium programs through various subscription options, including monthly and annual plans with free trial periods.

**Highlights:** Join learning communities, Watch educational videos, Connect with students, Check homework, Receive notifications, Access premium programs

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TCI Pro Monthly | $59.99 | per month |
| All-Access Monthly | $119.99 | per month |
| TCI Pro Annual | $599.99 | per year |


## Frequently asked questions

### Is Lava Matra free?

Lava Matra is free to download, with no in-app purchases.

### Is DataExpert / TechExpert free?

DataExpert / TechExpert is free to download, with in-app purchases available.

### Do Lava Matra or DataExpert / TechExpert have ads?

Neither Lava Matra nor DataExpert / TechExpert shows ads.

### Which is updated more often, Lava Matra or DataExpert / TechExpert?

Lava Matra ships an update every 4 days, and DataExpert / TechExpert every 2 weeks. Most recently, Lava Matra was updated on October 17, 2026 and DataExpert / TechExpert on October 22, 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.*