CloudLabs Ester Synthesis vs Rapid Relay Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CloudLabs Ester Synthesis
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In this practice it is possible to carry out the synthesis of methyl benzoate, used in non-electronic heating cost distributors. To carry out the synthesis, methyl alcohol, benzoic acid and sulfuric acid are available. The simulator recreates a chemistry laboratory with a three-mouth balloon, pipettes, a reflux column, a thermometer, an ethyl ether test, a Schiff test, and a hydroxamate test, among other instruments and supplies necessary to perform the synthesis.
Rapid Relay Calculator
This app helps VEX IQ Robotics Competition participants quickly and accurately calculate scores for the Rapid Relay game. It supports both Teamwork and Skills matches, offers interactive scoring, and allows for saving match data with sorting options. Features like dark mode and keyboard input enhance usability for teams, judges, and coaches.
- Teamwork and Skills match support
- Interactive scoring
- Score saving with sorting
- Practice match schedule generator
- Dark mode support
- Keyboard input option
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Calculate scores quickly and accurately for the VEX IQ Robotics Competition 2024 - 2025 game, Rapid Relay! Features: • Support for both Teamwork and Skills matches • Interactive switch toggles • Just tap the image to add one to the counter, allowing you to constantly have your eyes on the field • Score saving with date and game mode sorting • Dark mode support • Keyboard input option • Practice match schedule generator Perfect for: • Teams scoring practice or competition matches • Competition judges and scorekeepers • Coaches tracking team progress App made by Ansel Dong from VEX IQ team 52617X (Cheese Sandwich) from Cupertino, CA.
Screenshots
Verdict
The clearest difference is update cadence: Rapid Relay Calculator at every 4 weeks against CloudLabs Ester Synthesis's every 30 months. CloudLabs Ester Synthesis's advantage is iOS requirement (9.0 vs 17.6). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
CloudLabs Ester Synthesis ships an update every 30 months, Rapid Relay Calculator every 4 weeks. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.
| Parameter | CloudLabs Ester Synthesis | Rapid Relay Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 30 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 9.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 94 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Jiovany Orozco | Tao Dong |
In-app purchases
CloudLabs Ester Synthesis
No in-app purchases
Rapid Relay Calculator
No in-app purchases
Questions
Is CloudLabs Ester Synthesis free?
Is Rapid Relay Calculator free?
Do CloudLabs Ester Synthesis or Rapid Relay Calculator have ads?
Which is updated more often, CloudLabs Ester Synthesis or Rapid Relay Calculator?
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