# UPSCprep.com vs Tathastu

The clearest difference is in-app purchases: UPSCprep.com at none against Tathastu's 1. UPSCprep.com also leads on iOS requirement (13.0 vs 15.1). Tathastu's advantage is update cadence (every 9 months vs every 23 months). On price, ads and device support there is nothing between them.

Both are free to download. Tathastu sells 1 one-off in-app purchase. UPSCprep.com asks for nothing beyond the download.

UPSCprep.com ships an update every 23 months, Tathastu every 9 months. The most recent releases landed on September 20, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | UPSCprep.com | Tathastu |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 9 months** |
| Size | 201 MB | 73 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Testpress Tech Labs LLP](https://appshunter.io/developer/1235683817) | [Ajay Kumar Jain](https://appshunter.io/developer/1772052251) |

## What reviewers say

### UPSCprep.com

[App page](https://appshunter.io/ios/app/upscprepcom/id6502434262)

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

**In-app purchases:** none


### Tathastu

[App page](https://appshunter.io/ios/app/tathastu-ics/id6736460338)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HISTORY FOUNDATION - 2024 | $199.99 | one-time |


## Frequently asked questions

### Is UPSCprep.com free?

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

### Is Tathastu free?

Tathastu is free to download, with in-app purchases available.

### Do UPSCprep.com or Tathastu have ads?

Neither UPSCprep.com nor Tathastu shows ads.

### Which is updated more often, UPSCprep.com or Tathastu?

UPSCprep.com ships an update every 23 months, and Tathastu every 9 months. Most recently, UPSCprep.com was updated on September 20, 2026 and Tathastu on September 12, 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.*