GCSE Simulator vs LCKD.IN
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
GCSE Simulator
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GCSE Simulator is a revision app for GCSE and A Level Exams. Features: - Notes: our notes are compact and give you succinct information required from you avoiding any unnecessary information. - Past papers: we consolidate a large array of past papers into one place, easily accessible. In addition we include the mark scheme and a formula booklet, if applicable, in a user-friendly user interface letting you efficiently find and navigate any past paper without the hassle of separately finding and viewing past papers and mark schemes. - Flashcards: we offer a library of flashcards for learning and memorisation - Specifications: we have condensed the existing specifications into an easily digestible and convenient user interface where you can comfortably check what is required from you from the course
LCKD.IN
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LCKD.IN turns your own revision notes into a feed you actually want to scroll. Write a note and it joins your feed. Read it, tap Locked in, and it goes away โ then comes back days later, around the time you'd start to forget. Notes you keep locking in return less and less often. Notes you wrote this morning come back soon. Maths and science notation is written in LaTeX and rendered properly, so equations look like equations instead of a row of symbols. There's a live preview as you type, and a guide in the app if you've never written LaTeX before. Use whatever subjects you like โ GCSE Physics, Linear Algebra, Spanish verbs. Browse everything you've written in the Library, or let the feed decide what you see today. Everything is stored on your phone. No account, no sign-up, no internet connection. Your notes are yours, they don't go anywhere, and the app works the same on the Underground as it does at home. For anyone revising anything: school exams, university finals, professional qualifications, or a language you're trying not to lose. No logins, no ads, no data collection โ just revision
Screenshots
Verdict
The clearest difference is update cadence: GCSE Simulator at every 5 days against LCKD.IN's every 6 months. LCKD.IN's advantage is iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
GCSE Simulator ships an update every 5 days, LCKD.IN every 6 months. Both last shipped on October 28, 2026.
| Parameter | GCSE Simulator | LCKD.IN |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days โ better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 15.6 โ better |
| Further details โ not scored | ||
| Size | 114 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | YARKEY LIMITED | William Finney |
In-app purchases
GCSE Simulator
No in-app purchases
LCKD.IN
No in-app purchases









