23 Equations vs MyDCG
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
23 Equations
Master GCSE and IGCSE Physics equations with interactive learning and practice questions. The app provides instant feedback, model answers, and timed challenges to improve recall and application. Teachers can create and monitor student tests for effective revision planning.
- Learn physics equations by heart
- Practice questions with step-by-step help
- Model answers for improvement
- Timed challenges and games
- Teacher-created tests for students
- Monitor student progress and answers
- Index card-style equation reference
Read full descriptionHide full description
For Students: Learn by heart all of the Physics equations you need for your GCSE and IGCSE, then use them to answer questions, with help available at every step. Questions are made by “smart models” so they can show you examples and help you in other ways. They can also show you a model answer afterwards to help you improve next time. Even if you don’t have to learn the equations, you will do better if you know them by heart and can remember the correct units for each variable. Calculations are still going to make up at least 30% of the Physics exams so the better you know the equations, the better your grade is going to be. Get this app and have a virtual pack of index cards always at your fingertips. All the important information is there, including the units. Click on the Q and try practice questions to test yourself. Start a game and try and beat the clock. The questions get harder the better you do. For Teachers: Actively set the tests for your students to take. Monitor, analyse and view the answers your students give for these tests without any marking to do. Use the information to plan future lessons or setup further tests to help with revision. This is great for homework and for revision programmes leading up to exams. This is the School Room and is available through an in-app purchase. Privacy: In the free section of the app, no data is collected about you or your activity at all. The School Room section uses information provided by your teachers to allow you to log in. This means a one-way encrypted email address. You cannot be personally identified from this information.
MyDCG
Manage your academic life with this personalized system. Access assignments, timetables, and important updates all in one place. Stay informed about college news, library loans, and your account balances.
- VLE integration for assignments and deadlines
- Full timetable access with updates
- News and events notifications
- Library account management
- Light email client access
- Print and catering balance checks
Read full descriptionHide full description
The MyDCG mobile app provides an easy-to-use, personalised and effective system for you to manage everything you need to make a success of your time with the Derby College Group. The app provides you with everything you need in one place and with notifications to keep you updated, MyDCG will be your go-to app for your learning and education experience. The MyDCG app builds upon your current experience of the intranet site, providing access to the same apps and data, for a seamless experience - any changes you make to the mobile dashboard on your desktop will be synced to the mobile app to make personalisation super-easy. Features include: •VLE integration – provides details of your assignments and courses, as well as notification of assignment deadlines and grades. •Full access to timetables so you can see where you need to be and when, as well as notifications if anything changes. •News and events – stay informed and updated on current events and announcements. •Library account – keep up-to-date with your borrowing history and reservations, as well as receive notifications when a reserved book is available, or overdue notices. •Email – access to a light version of your mail client so you can keep track of emails •Balances – you can check how much print credit you have, as well as your catering balance.
Screenshots
Verdict
The clearest difference is review sentiment: 23 Equations at 48% against MyDCG's 0%. 23 Equations also leads on update cadence (every 2 weeks vs every 55 months) and iOS requirement (9.3 vs 12.3.0). MyDCG's advantage is in-app purchases (none vs 7). 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
Both are free to download. 23 Equations sells 7 one-off in-app purchases. MyDCG asks for nothing beyond the download.
23 Equations ships an update every 2 weeks, MyDCG every 55 months. The most recent releases landed on June 1, 2026 and September 14, 2026 respectively.
| Parameter | 23 Equations | MyDCG |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 47.6% of reviews — better | 0.0% of reviews |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks — better | Every 55 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.3 — better | 12.3.0 |
| Further details — not scored | ||
| Size | 143 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Nick Whitehurst | Collabco |
Customer experience
23 Equations
MyDCG
In-app purchases
23 Equations
- Individual: Extra features$1.99
- School Room, 2022 Exams (S)$39.99
- School Room, 2023 Exams (S)$39.99
Show 4 moreShow fewer
- School Room, 2022 Exams (M)$69.99
- School Room, 2023 Exams (M)$74.99
- School Room, 2022 Exams (L)$99.99
- School Room, 2023 Exams (L)$99.99
MyDCG
No in-app purchases








