# Defluoridation vs InglesTec

The clearest difference is in-app purchases: Defluoridation at none against InglesTec's 3. Defluoridation also leads on iOS requirement (12.0 vs 15.6). InglesTec's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. InglesTec sells 3 in-app purchases, starting at $1.99 per month. Defluoridation asks for nothing beyond the download.

Defluoridation ships an update every 3 months, InglesTec every 3 weeks. The most recent releases landed on June 5, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Defluoridation | InglesTec |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 30 MB | 46 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gilson Augusto Helfer](https://appshunter.io/developer/1131751264) | [CARLOS GOMES DE OLIVEIRA](https://appshunter.io/developer/1576926646) |

## What reviewers say

### Defluoridation

[App page](https://appshunter.io/ios/app/defluoridation/id1153100622)

**Features:** macOS Compatibility

**In-app purchases:** none


### InglesTec

[App page](https://appshunter.io/ios/app/inglestec/id1576926644)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Assinatura Mensal | $1.99 | per month |
| Assinatura Semestral | $9.99 | per 6 months |
| Assinatura Anual | $14.99 | per year |


## Frequently asked questions

### Is Defluoridation free?

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

### Is InglesTec free?

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

### Do Defluoridation or InglesTec have ads?

Neither Defluoridation nor InglesTec shows ads.

### Which is updated more often, Defluoridation or InglesTec?

Defluoridation ships an update every 3 months, and InglesTec every 3 weeks. Most recently, Defluoridation was updated on June 5, 2026 and InglesTec on September 19, 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.*