Best Lftr Apps

250+ iOS apps curated and reviewed

4.6 avg rating

20 free apps

Updated August 2026

Looking for free lftr apps? 20 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Lftr Apps (August 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	LFTR: AI Personal Trainer	Free	4.6★ (79)	No	Yes	Sep 2026
2	Thorium	Free	4.5★ (2)	No	No	May 2026
3	ED2023	Free	—	No	No	May 2026
4	Chart of the Nuclides	Free	4.9★ (16)	No	No	May 2026
5	P-T Calculator	Free	4.8★ (52)	No	No	Aug 2026
6	Numerco Nuclear	Free	5.0★ (2)	No	No	May 2026
7	FuelAware	Free	5.0★ (1)	No	Yes	Jul 2026
8	The Secret City: Project Y	Free	4.6★ (12)	No	No	May 2026

Top Picks for Lftr

LFTR: AI Personal Trainer by Robin Mazon

Fitness, Workout & Coaching

Editor's Choice

💪 Health & Fitness

4.6(79 ratings)

FreeIn-App Purchases

Optimize your gym training with AI-powered program reviews and progress tracking. Log workouts seamlessly and import existing plans effortlessly. Designed for lifters of all levels to maximize muscle growth and strength gains.

Thorium by yoctoPlay

Element 90.

Strong Contender

📚 Education

4.5(2 ratings)

Free

Explore the potential of thorium as an energy source. This educational app uses videos to explain nuclear fission and contrast thorium-based reactors with current energy technologies like solar and wind.

ED2023 by X-CD Technologies Inc.

Worth Considering

📚 Education

0.0(0 ratings)

Free

More Lftr apps to explore

Chart of the Nuclides

by Fluor Marine Propulsion, LLC

Free

Access comprehensive nuclear data with this electronic chart. Explore detailed information on various nuclides, including half-life, decay modes, and atomic weights. This app serves as a digital companion to a renowned publication in the field.

Comprehensive nuclide informationHalf-life dataDecay mode details

by National Refrigerants Inc.

Free

This tool simplifies HVAC/R technician tasks by calculating pressure/temperature relationships, superheat, and subcool. It automatically adjusts for altitude and offers English/Metric units. Easily access favorite refrigerants and supplementary information.

Pressure/Temperature calculationSuperheat/Subcool calculationAutomatic altitude correction

Access up-to-date pricing and historical charts for nuclear fuel markets, including uranium, conversion, and enrichment. Registration is required after download.

Up-to-date pricing indicationsHistorical chartingUranium (U3O8 & UF6) pricing

General Aviation fuel tracker

Free

This app helps general aviation pilots track fuel burn and cost per leg for multi-tank aircraft. It provides detailed analysis of burn rates, costs, and aircraft-specific data, with live updates and reporting features.

Live animated fuel gaugesPer-tank fuel accountingReal cross-country burn rates

🔧 Utilities

(1)

subscription

The Secret City: Project Y

by Los Alamos National Laboratory

Free

Explore the secret city of Los Alamos during the Manhattan Project. Walk through recreated wartime locations, visit testing facilities, and learn about the scientists and events that shaped history. Collect tokens to unlock detailed information.

Explore recreated wartime Los AlamosVisit key Manhattan Project sitesLearn about historical figures

by The Chemours Company

Free

This mobile application provides HVACR service technicians with accurate refrigerant data on the go. It allows for quick system diagnostics and response by calculating pressure-temperature relationships, superheat, and subcooling. Supports various refrigerants, including newer HFOs and older HFCs/HCFCs.

Pressure-temperature calculationsSuperheat and subcooling calculationSupports HFO, HFC, and HCFC refrigerants

The X-ray Physics Handbook

Nuclear Blast Simulator

Free

$6.99 | 100% OFF

Explore the devastating effects of nuclear weapons with this educational simulator. Visualize blast zones, thermal radiation, and fallout patterns on any location. Learn about nuclear physics, history, and preparedness through clear simulations and real-world scenarios.

Simulate nuclear weapon effectsVisualize blast, thermal, and fallout zonesCompare weapon yields

📚 Education

(1)

free with in-app purchases

Isotope Browser

Nuclides Chart - Nuclear Data

Free

Access comprehensive nuclear data for over 4,000 nuclides and isomers. Explore interactive charts, filter by various criteria, and view detailed information for each nuclide. Data is sourced from reliable resources and available offline.

Properties of over 4,000 nuclides and isomersInteractive Chart of NuclidesPeriodic Table of Elements

📚 Education

(25)

free

Two Phase Separator Lite

Detailed Equipment Sizing

Fuel Delivery Made Simple,Safe

Interactive Plasma Lab

Free

📚 Education

(0)

Radiation Research Society

by Radiation Research Society

Verify result of FUELSTAT test

Know Your Mineral Investments

Free

Access comprehensive information on natural resources, mineral rights, and the energy sector. This app is designed for accredited investors seeking to deepen their understanding of commodity markets and investment opportunities.

Natural resource informationMineral rights dataEnergy industry insights

An educational matching game that teaches chemical reagent storage and safety. Players match reagents with their correct containers and environmental needs, building awareness without real-world risks.

Educational matching gameTeaches chemical reagent storageBuilds chemistry safety awareness

🔧 Utilities

(0)

ad-supported

FAQ about Lftr

What are the best lftr apps for iPhone?

LFTR: AI Personal Trainer tops our lftr apps ranking as of August 2026, with a 4.6-star average from 79 App Store ratings, and it's free to download.

Are there free lftr apps for iPhone?

Yes — 20 of the top lftr apps we rank are free to download, including LFTR: AI Personal Trainer and Thorium.

Does LFTR: AI Personal Trainer have ads or in-app purchases?

LFTR: AI Personal Trainer has no ads and offers in-app purchases, according to its App Store listing as of August 2026.

How many lftr apps are on the App Store?

We track 250+ lftr apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.

What is LFTR?

LFTR is an AI-powered personal trainer app designed to help lifters optimize their training programs, track progress, and achieve their muscle growth and strength goals faster. It offers intelligent feedback on workout plans and seamless logging.

How does LFTR help with progress?

LFTR provides a progress score and clear visual trends to help you see your improvements at a glance. This allows for intuitive analysis and actionable insights to enhance your training effectiveness.

Best Lftr Apps

Compare top Lftr Apps (August 2026)

Top Picks for Lftr

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