# PubDevLib vs Polish Classics A1

The clearest difference is update cadence: Polish Classics A1 at every 4 weeks against PubDevLib's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PubDevLib sells 2 in-app purchases, starting at $1.99 per month and Polish Classics A1 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

PubDevLib ships an update every 3 months, Polish Classics A1 every 4 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | PubDevLib | Polish Classics A1 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Size | 100 MB | 114 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Olga Ivanova](https://appshunter.io/developer/1733570435) | [Sedat Goksu](https://appshunter.io/developer/1895560561) |

## What reviewers say

### PubDevLib

[App page](https://appshunter.io/ios/app/pubdevlib/id6758752692)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| pubdev_by_oliva_subscription | $1.99 | per month |
| pubdev_by_oliva_donation | $1.99 | one-time |


### Polish Classics A1

[App page](https://appshunter.io/ios/app/polish-classics-a1-b1/id6772786189)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all books | $3.99 | one-time |


## Frequently asked questions

### Is PubDevLib free?

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

### Is Polish Classics A1 free?

Polish Classics A1 is free to download, with in-app purchases available.

### Do PubDevLib or Polish Classics A1 have ads?

Both PubDevLib and Polish Classics A1 show ads.

### Which is updated more often, PubDevLib or Polish Classics A1?

PubDevLib ships an update every 3 months, and Polish Classics A1 every 4 weeks. Most recently, PubDevLib was updated on October 31, 2026 and Polish Classics A1 on October 31, 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.*