# Past Code vs Shikkha Squared

The clearest difference is update cadence: Past Code at every 6 days against Shikkha Squared's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Past Code ships an update every 6 days, Shikkha Squared monthly. The most recent releases landed on September 9, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Past Code | Shikkha Squared |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/past-code/id1551535957/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Monthly |
| Monetization | Free | — |
| Size | 32 MB | 41 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Omar Rayyan](https://appshunter.io/developer/1551535959) | [Science Platform](https://appshunter.io/developer/1769242103) |

## What reviewers say

### Past Code

[App page](https://appshunter.io/ios/app/past-code/id1551535957)

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.

**Highlights:** Scan past paper codes with camera, Instant mark scheme retrieval, Supports IGCSE papers, Supports A-Level papers, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Shikkha Squared

[App page](https://appshunter.io/ios/app/shikkha-squared/id6751794182)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Past Code free?

Past Code is free to download, with no in-app purchases.

### Is Shikkha Squared free?

Shikkha Squared is free to download, with no in-app purchases.

### Do Past Code or Shikkha Squared have ads?

Neither Past Code nor Shikkha Squared shows ads.

### Which is updated more often, Past Code or Shikkha Squared?

Past Code ships an update every 6 days, and Shikkha Squared monthly. Most recently, Past Code was updated on September 9, 2026 and Shikkha Squared on September 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*