# Polza vs Deep In

The clearest difference is ads: Deep In at none against Polza's shown. Deep In also leads on update cadence (every 5 days vs every 4 months) and ratings volume (4 vs 1). On price, rating, review sentiment and in-app purchases there is nothing between them.

Both are free to download. Polza sells 1 one-off in-app purchase and Deep In sells 3 in-app purchases, starting at $29.00 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Polza against 5.0 for Deep In. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Polza ships an update every 4 months, Deep In every 5 days. The most recent releases landed on October 8, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Polza | Deep In |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/polza/id6470381853/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/deep-in-language-immersion/id6784153530/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 89 MB | 79 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Kirill Gorshkov](https://appshunter.io/developer/1713570780) | [DEEP IN](https://appshunter.io/developer/6784153532) |

## What reviewers say

### Polza

[App page](https://appshunter.io/ios/app/polza/id6470381853)

This app guides users on achieving financial growth step-by-step. It covers topics like becoming a private investor, managing debt, building capital, and finding fulfilling work that generates income.

**Highlights:** Step-by-step financial growth guidance, Becoming a private investor, Debt elimination and prevention, Capital creation strategies, Finding and monetizing passion, Work-life balance for women

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Finlevel | $15.90 | one-time |


### Deep In

[App page](https://appshunter.io/ios/app/deep-in-language-immersion/id6784153530)

Learn languages by immersing yourself in real-world content like YouTube videos. This app focuses on understanding native speakers and building practical vocabulary through interactive subtitles and personalized review tools.

**Highlights:** Watch real YouTube videos in original language, Interactive subtitles with word and phrase breakdown, Personalized vocabulary review with flashcards, Practice speaking with AI conversation partner, Vast catalog of diverse video content, Add your own YouTube videos

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Deep | $29.00 | per month |
| Deep — 6 Months | $139.99 | per 6 months |
| Deep — Yearly | $239.99 | per year |


## Frequently asked questions

### Is Polza free?

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

### Is Deep In free?

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

### Which has better reviews, Polza or Deep In?

Polza and Deep In are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do Polza or Deep In have ads?

Polza shows ads; Deep In does not.

### Which is updated more often, Polza or Deep In?

Polza ships an update every 4 months, and Deep In every 5 days. Most recently, Polza was updated on October 8, 2026 and Deep In on October 17, 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.*