# UPB vs eStudent AI

The clearest difference is in-app purchases: UPB at none against eStudent AI's 3. UPB also leads on iOS requirement (10.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. eStudent AI sells 3 one-off in-app purchases. UPB asks for nothing beyond the download.

UPB ships an update every 9 days, eStudent AI fortnightly. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | UPB | eStudent AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Size | 155 MB | 93 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Politehnica University of Bucharest](https://appshunter.io/developer/1480773576) | [8BYTES™️](https://appshunter.io/developer/1780355632) |

## What reviewers say

### UPB

[App page](https://appshunter.io/ios/app/upb/id1480947397)

**Features:** macOS Compatibility

**In-app purchases:** none


### eStudent AI

[App page](https://appshunter.io/ios/app/estudent-ai/id6738355671)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Starter Plan | $4.99 | one-time |
| 1 Month Scholar Plan | $7.99 | one-time |
| 1 Month Prodigy Plan | $9.99 | one-time |


## Frequently asked questions

### Is UPB free?

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

### Is eStudent AI free?

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

### Do UPB or eStudent AI have ads?

Neither UPB nor eStudent AI shows ads.

### Which is updated more often, UPB or eStudent AI?

UPB ships an update every 9 days, and eStudent AI fortnightly. Most recently, UPB was updated on October 29, 2026 and eStudent AI on October 30, 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.*