# Tathastu vs UnderStand Courses

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

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

Tathastu ships an update every 9 months, UnderStand Courses every 9 days. The most recent releases landed on October 5, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Tathastu | UnderStand Courses |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 9 days** |
| Size | 73 MB | 270 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ajay Kumar Jain](https://appshunter.io/developer/1772052251) | [BLISSCODE SOFTWARES PRIVATE LIMITED](https://appshunter.io/developer/1790369633) |

## What reviewers say

### 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 |


### UnderStand Courses

[App page](https://appshunter.io/ios/app/understand-courses/id6747243039)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tathastu free?

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

### Is UnderStand Courses free?

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

### Do Tathastu or UnderStand Courses have ads?

Neither Tathastu nor UnderStand Courses shows ads.

### Which is updated more often, Tathastu or UnderStand Courses?

Tathastu ships an update every 9 months, and UnderStand Courses every 9 days. Most recently, Tathastu was updated on October 5, 2026 and UnderStand Courses on September 23, 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.*