Past Code vs pHinder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Past Code
Instantly find mark schemes for IGCSE and A-Level past papers by scanning their codes with your camera. Save time and effort by accessing the correct resources directly.
- Scan past paper codes with camera
- Instant mark scheme retrieval
- Supports IGCSE papers
- Supports A-Level papers
- User-friendly interface
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Stop wasting your time and effort looking for mark schemes online. With the help of Past Code, you can use your camera to scan any IGCSE or A-Level past paper code and find the mark scheme associated with it instantly. For further information you can email us at omarayyanapps@hotmail.com or at my personal email omarayyan@hotmail.com A Omar Rayyan Production Copyrighted 2021
pHinder
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Ever wondered why lemon tastes sour, or why your pool needs chemicals? It all comes down to pH and pHinder makes it finally make sense. Whether you're a student cramming for chemistry, a curious mind who loves science, or someone who just wants to test pH at home, pHinder is your go-to companion. What's inside: ChemBot: Your AI Chemistry Tutor Ask anything about pH, acids, bases, or chemistry. ChemBot runs entirely on-device, so your questions stay private and answers come instantly, no internet needed. Test pH at Home: Learn how to test pH using everyday items. No lab required. Quick Facts: Bite-sized chemistry knowledge, always at your fingertips. The Power of 10: Understand the logarithmic pH scale in a way that actually clicks. Common Substances Explorer: See where everyday things, coffee, blood, bleach fall on the pH scale.
Screenshots
Verdict
The clearest difference is device support: Past Code at 3 against pHinder's 1. Past Code also leads on iOS requirement (14.0 vs 17.6). On price, ads and in-app purchases 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.
| Parameter | Past Code | pHinder |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (4 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 6 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 32 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Omar Rayyan | GALGOTIAS UNIVERSITY,SCHOOL OF BUSINESS |
In-app purchases
Past Code
No in-app purchases
pHinder
No in-app purchases
Questions
Is Past Code free?
Is pHinder free?
Do Past Code or pHinder have ads?
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