# StudyTorch vs Eternal Islamic Calendar

The clearest difference is update cadence: Eternal Islamic Calendar at every 3 weeks against StudyTorch's every 3 months. StudyTorch's advantage is iOS requirement (12.0 vs 15.0). 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.

StudyTorch ships an update every 3 months, Eternal Islamic Calendar every 3 weeks. The most recent releases landed on October 18, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | StudyTorch | Eternal Islamic Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/eternal-islamic-calendar/id6738862001/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 29 MB | 55 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Wish IT Pty Ltd](https://appshunter.io/developer/1666523238) | [Gaztec LLC](https://appshunter.io/developer/1618597570) |

## What reviewers say

### StudyTorch

[App page](https://appshunter.io/ios/app/studytorch/id1666523236)

**Features:** macOS Compatibility

**In-app purchases:** none


### Eternal Islamic Calendar

[App page](https://appshunter.io/ios/app/eternal-islamic-calendar/id6738862001)

This app offers two distinct methods for structuring the Hijri calendar: a consistent model and a lunar-based model. It aims to provide users with a clear understanding of Islamic dates based on lunar cycles.

**Highlights:** Two Hijri calendar types, Consistent calendar model, Lunar calendar model, Moon movement based restructuring

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is StudyTorch free?

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

### Is Eternal Islamic Calendar free?

Eternal Islamic Calendar is free to download, with no in-app purchases.

### Do StudyTorch or Eternal Islamic Calendar have ads?

Neither StudyTorch nor Eternal Islamic Calendar shows ads.

### Which is updated more often, StudyTorch or Eternal Islamic Calendar?

StudyTorch ships an update every 3 months, and Eternal Islamic Calendar every 3 weeks. Most recently, StudyTorch was updated on October 18, 2026 and Eternal Islamic Calendar on October 16, 2026.

---

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