Comparison

Screen Time Control MindShield vs Aqualf

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Screen Time Control MindShield

Features
Read full description

Take back control of your time and your mind with MindShield – the ultimate focus companion designed to help you stay productive, reduce screen time, and improve your mental well-being. Whether you’re working, studying, or simply trying to be more present, MindShield helps you limit access to distracting apps and focus on what really matters. Key Features: • App Blocking: Temporarily block access to selected apps to remove distractions during your focus sessions. • Custom Focus Profiles: Create personalized profiles with different app lists and durations to match your routine. • Streaks & Talismans: Stay motivated by earning unique talismans and unlocking new levels as you maintain your focus streaks. • Breathing & Calm Screen: Reduce anxiety with guided breathing exercises and mindfulness tools. • Smart Notifications: Get notified when your focus session ends, so you can return to your apps guilt-free. • Security: Protect your app with Face ID or biometrics. Why Choose MindShield: • Boost Productivity: Get more done in less time by removing distractions. • Digital Detox: Reduce screen time and break unhealthy social media habits. • Improve Mental Health: Focus sessions and breathing exercises help reduce anxiety and bring mental clarity. Start your journey to better focus, healthier habits, and a calmer mind today. Download the app for free and explore limited features. Access full features with a subscription. This app offers auto-renewing subscriptions. Payments will be charged to your Apple ID account at confirmation of purchase. Privacy Policy: https://doc-hosting.flycricket.io/app/3eda98dd-0b07-4f65-9434-fe772dfcc860/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Connect with me: X: https://x.com/w12_dev_apps Instagram: https://instagram.com/w12.devapps Tik Tok: https://tiktok.com/@w12.devapps Youtube: https://youtube.com/@w12.devapps Threads: https://threads.net/@w12.devapps

About

Aqualf

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
Read full description

Aqualf is a professional field data entry app specifically for completing the USACE Midwest Region Wetland Determination Data Form (Version 2.0). Built by a Professional Wetland Scientist for environmental consultants and agencies on a budget! It replaces paper forms with a structured digital workflow designed to work entirely offline. No account, no internet, and no data ever leaving your device. WHAT AQUALF DOES -Project Management: Create projects and manage multiple sample plots per site. -Structured Entry: Enter field data across four tabs per plot: Hydrology, Vegetation, Soils, and Summary. -Auto-Calculations: Instant dominance test, prevalence index, and FAC-neutral test results as you enter vegetation data. -Hydric Soil Engine: Suggests hydric soil indicators (A1–F21) based on horizon data, evaluated against USDA NRCS Field Indicators of Hydric Soils v9.0 (2024). -Field Warnings: Flags complex indicators (A18, S6, F8, F12, F21) that require specific field confirmation, landform context, or regional testing before application. -Official PDF Export: Generates a multi-page PDF that mirrors the official USACE Midwest v2.0 form layout, ready for report attachment or permit application. -Seamless Sharing: Export via AirDrop, Files, email, or any standard iOS share sheet destination. PLANT DATABASE -Primary: 2,860-species Midwest National Wetland Plant List (USACE, 2022 edition). -Fallback: 37,109-species USDA PLANTS database for species not found on the regional NWPL (defaults to UPL). SOIL INDICATOR ENGINE -Suggestions are evaluated against USDA NRCS v9.3 (2026) criteria for the Midwest region, covering A, S, and F indicators. Tap any info button for the full criteria and technical field notes. FORM COVERAGE Full coverage of the Midwest v2.0 data form: -Project and site header (including Section, Township, and Range/PLSS). -All hydrology primary and secondary indicators with specific depth fields. -All four vegetation strata. -Detailed soil profiles with up to 12 horizons including matrix and redox data. -All standard and problematic hydric soil indicators. -Summary of findings and final determination. PRIVACY No backend, no account, and no telemetry. All field data is stored locally in SQLite on your device and is never transmitted to external servers. Only standard Apple App Store analytics (crash reports and performance) are collected. SCOPE & DISCLAIMER This version covers the USACE Midwest Region only. iOS only. For professional use by qualified wetland scientists. Aqualf has not been reviewed, approved, or endorsed by the U.S. Army Corps of Engineers, USDA-NRCS, or any other federal or state agency; no such review or approval has been sought or is implied. It is a field data entry tool and does not replace professional judgment or constitute a formal wetland delineation. The user assumes all responsibility for the accuracy and appropriate use of exported data.

Screenshots

Screen Time Control MindShield4 screens
Aqualf4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 6 level
Screen Time Control MindShield versus Aqualf: the parameters behind the verdict, then further details
ParameterScreen Time Control MindShieldAqualf
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 8 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.1 — better
Further details — not scored
Size34 MB34 MB
Age rating4+4+
DeveloperW12 ConsultoriaJason DeMoss

In-app purchases

3 purchases

Screen Time Control MindShield

Subscriptions2
  • Monthly PRO$2.991 Month
  • Annual PRO3 Days trial$12.991 Year
One-time1
  • Lifetime PRO$19.99
None

Aqualf

No in-app purchases

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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