eLQ vs BED LQ Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
eLQ
This medical app calculates biological equivalent doses for radiation therapy using the linear-quadratic model. It allows users to select various organs and α/β ratios for precise calculations.
- Linear-quadratic model calculations
- Selectable organs (spine, heart, lung, liver, skin)
- Adjustable α/β ratios
- Biological equivalent dose computation
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eLQ calculates biological equivalent dose for radiation therapy treatment using the linear-quadratic model. Users can choose betweens organs (spine, heart, lung, liver, skin, ...) or several α/β ratios.
BED LQ Calc
This app helps radiation therapy professionals perform complex radiobiological calculations using the Linear-Quadratic (LQ) model. It supports various fractionation schemes, BED, and EQD2 conversions for accurate treatment planning and dose optimization.
- LQ Model Calculations
- BED & EQD2 Calculations
- Multiple Treatment Courses
- Flexible α/β Ratio Settings
- Intuitive Clinical Interface
- Precise Numerical Inputs
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BED & LQ Model Calculator for Radiotherapy Dose and Fraction Calculation A comprehensive and user-friendly calculator designed for radiation therapy professionals to perform essential radiobiological calculations using the Linear-Quadratic (LQ) model. Key Features: LQ Model Calculations: Calculate biological equivalent doses for different fractionation schemes Support for multiple treatment courses (C1, C2, C3) Flexible α/β ratio settings (3 Gy and 10 Gy presets) Dose per fraction and total dose calculations BED & EQD2 Calculations: Biologically Effective Dose (BED) calculations Equivalent Dose in 2 Gy fractions (EQD2) conversions Support for both early-responding (α/β = 10 Gy) and late-responding tissues (α/β = 3 Gy) Automatic summation across multiple treatment courses Professional Tools: Clean, intuitive interface optimized for clinical use Individual course clearing options Quick "Clear All" functionality Precise numerical inputs with validation Instant calculations with professional accuracy Perfect for: Radiation oncologists Medical physicists Radiation therapy students Healthcare professionals in radiotherapy This calculator streamlines complex radiobiological calculations, helping healthcare professionals make informed decisions about radiation treatment planning and dose optimization. Whether you're comparing different fractionation schedules or calculating cumulative biological effects, this tool provides reliable, fast calculations essential for modern radiation therapy practice. Developed by Görkem Güngör - Istanbul Note: This tool is intended for educational and professional reference purposes. Always verify calculations and consult with qualified medical professionals for treatment decisions.
Screenshots
Verdict
The clearest difference is review sentiment: BED LQ Calc at 100% against eLQ's 67%. BED LQ Calc also leads on update cadence (daily vs every 14 months). eLQ's advantage is iOS requirement (6.0 vs 18.0). On price, ads, in-app purchases and monetization model 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
eLQ ships an update every 14 months, BED LQ Calc daily. The most recent releases landed on September 18, 2026 and June 9, 2026 respectively.
| Parameter | eLQ | BED LQ Calc |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | — |
| Positive reviews | 66.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 — better | — |
| Update frequency | Every 14 months | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 6.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 12 MB | 1 MB |
| Age rating | 17+ | 4+ |
| Developer | SFjRO | Gorkem Gungor |
Customer experience
eLQ
BED LQ Calc
In-app purchases
eLQ
No in-app purchases
BED LQ Calc
No in-app purchases









