# Screen Time Control MindShield vs Aqualf

The clearest difference is in-app purchases: Aqualf at none against Screen Time Control MindShield's 3. Aqualf also leads on update cadence (every 2 weeks vs every 8 months) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Screen Time Control MindShield sells 3 in-app purchases, starting at $2.99 per month. Aqualf asks for nothing beyond the download.

Screen Time Control MindShield ships an update every 8 months, Aqualf every 2 weeks. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Screen Time Control MindShield | Aqualf |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aqualf/id6767928419/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 34 MB | 34 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [W12 Consultoria](https://appshunter.io/developer/1812317573) | [Jason DeMoss](https://appshunter.io/developer/1895216165) |

## What reviewers say

### Screen Time Control MindShield

[App page](https://appshunter.io/ios/app/screen-time-control-mindshield/id6751931241)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly PRO | $2.99 | per month |
| Annual PRO | $12.99 | per year |
| Lifetime PRO | $19.99 | one-time |


### Aqualf

[App page](https://appshunter.io/ios/app/aqualf/id6767928419)

This app streamlines wetland delineation for environmental professionals in the Midwest. It digitizes the USACE data form, offering offline entry, automated calculations, and intelligent suggestions for soil indicators. Export official PDF reports directly from your device.

**Highlights:** Offline data entry, Automated dominance and prevalence index calculations, Hydric soil indicator suggestions, Field warnings for complex indicators, Official PDF export, Extensive plant and soil databases

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Screen Time Control MindShield free?

Screen Time Control MindShield is free to download, with in-app purchases available.

### Is Aqualf free?

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

### Do Screen Time Control MindShield or Aqualf have ads?

Neither Screen Time Control MindShield nor Aqualf shows ads.

### Which is updated more often, Screen Time Control MindShield or Aqualf?

Screen Time Control MindShield ships an update every 8 months, and Aqualf every 2 weeks. Most recently, Screen Time Control MindShield was updated on October 6, 2026 and Aqualf on October 2, 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.*