Escala de Notas vs Lab4U
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Escala de Notas
This app helps educators calculate student averages and generate grading scales with customizable requirements. It also supports calculating PSU scores based on user-defined factors, making it a versatile tool for teachers.
- Generate grading scales
- Calculate student averages
- Customizable percentage requirements
- Calculate PSU scores
- Configurable factors for PSU
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Aplicación para generar Escalas de Notas y Cálculo de promedio,con distintos porcentajes de exigencia, totalmente configurable, ideal para los docentes que necesitan calcular la nota en base a puntajes. Además permite el calculo de puntajes de PSU a partir de factores configurables por el usuario. Muchas gracias por la confianza y las miles de descargas!
Lab4U
This app transforms your device into a scientific tool for hands-on biology, physics, and chemistry experiments. Explore real-time data using your phone's sensors to learn and teach science in an engaging, inquiry-based manner.
- Real-time sensor experiments
- Biology, physics, and chemistry labs
- Inquiry-Based Learning methodology
- Curriculum-aligned content
- Scientific thinking development
- Device camera, microphone, and motion sensor integration
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Lab4U is an educational app that allows you to experiment with biology, physics and chemistry in a fun and easy way, transforming the way science is learned and taught. With Lab4U you will experiment in real time using the different sensors of your device, such as the camera, microphone, motion sensor, and others, turning your phone into a powerful scientific tool. Through our Inquiry-Based Learning, with Lab4U you will explore and analyze images of nature with Lab4Biology experiments, determine the color and concentration of chemical reactions with Lab4Chemistry experiences, and analyze the force and acceleration of a moving object with the experimentation activities offered by Lab4Physics. Find each of these contents in the Labs section of the app. Tools and experiments at Lab4U are aligned to the educational curriculum and thus carry out incredible, entertaining and deep learning experiences that will enhance the development of scientific thinking, preparing the talents that the 21st century requires. We invite you to download the new Lab4U app and experiment with us!
Screenshots
Verdict
The clearest difference is review sentiment: Escala de Notas at 90% against Lab4U's 36%. Escala de Notas also leads on in-app purchases (none vs 4) and rating (4.7 vs 4.5). Lab4U's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 3 months). On price, ratings volume 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
Both are free to download. Lab4U sells 4 one-off in-app purchases. Escala de Notas asks for nothing beyond the download.
Escala de Notas holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 7 and 10 respectively. Written reviews point the same way: 90% of Escala de Notas's written reviews are positive against 36% of Lab4U's.
Escala de Notas ships an update every 3 months, Lab4U every 2 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | Escala de Notas | Lab4U |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (7 ratings) — better | 4.5 (10 ratings) |
| Positive reviews | 90.5% of reviews — better | 36.4% of reviews |
| Number of ratings | 7 | 10 — better |
| Update frequency | Every 3 months | Every 2 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 42 MB | 105 MB |
| Age rating | 4+ | 4+ |
| Developer | Chalalo | Lab4U Inc. |
Customer experience
Escala de Notas
Lab4U
In-app purchases
Escala de Notas
No in-app purchases
Lab4U
- Lab4physics TrialFree
- Lab4U TrialFree
- Lab4Physics Premium$45.99
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- Lab4U Premium$45.99
