# Rush To 21 vs ESP TEST

The clearest difference is rating: Rush To 21 at 5.0 against ESP TEST's 2.0. Rush To 21 also leads on ratings volume (6 vs 1). ESP TEST's advantage is iOS requirement (8.0 vs 12.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Rush To 21 holds the better App Store score, 5.0 against 2.0. That said, the two scores are not equally well evidenced: Rush To 21 has 6 ratings behind it against 1, so its average is the more settled of the two.

Rush To 21 ships an update every 8 months, ESP TEST every 11 months. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Rush To 21 | ESP TEST |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/rush-to-21/id1035427299/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/esp-test/id1212822570/reviews) |
| Number of ratings | **6** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 8 months** | Every 11 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 78 MB | 11 MB |
| Requires iOS | 12.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [TimWin Games](https://appshunter.io/developer/1595685584) | [Kiyotaka Hori](https://appshunter.io/developer/434217041) |

## What reviewers say

### Rush To 21

[App page](https://appshunter.io/ios/app/rush-to-21/id1035427299)

Experience a fast-paced Blackjack game with dual timers. Replay your last game and save your high scores on your Apple device. This exciting card game offers a unique challenge for players.

**Highlights:** Fast-paced Blackjack gameplay, Dual game timers, Replay last game option, Save high scores, Supports iPhone and iPad

**Features:** macOS Compatibility

**In-app purchases:** none


### ESP TEST

[App page](https://appshunter.io/ios/app/esp-test/id1212822570)

Test your psychic abilities by guessing hidden cards. Aim to correctly identify the chosen card ten times in a row to see your results. Reset the game anytime to try again.

**Highlights:** Hidden card selection, Ten-in-a-row challenge, Result display, Reset functionality

**In-app purchases:** none


## Frequently asked questions

### Is Rush To 21 free?

Rush To 21 is free to download, with no in-app purchases.

### Is ESP TEST free?

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

### Which has better reviews, Rush To 21 or ESP TEST?

Rush To 21 is rated higher. Rush To 21 averages 5.0 out of 5 from 6 ratings, while ESP TEST averages 2.0 from 1 ratings.

### Do Rush To 21 or ESP TEST have ads?

Both Rush To 21 and ESP TEST show ads.

### Which is updated more often, Rush To 21 or ESP TEST?

Rush To 21 ships an update every 8 months, and ESP TEST every 11 months. Most recently, Rush To 21 was updated on October 24, 2026 and ESP TEST on October 16, 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.*