# Ambassador Zhen vs Polymath Coffee

The clearest difference is update cadence: Polymath Coffee at weekly against Ambassador Zhen's every 3 months. Polymath Coffee also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

Ambassador Zhen ships an update every 3 months, Polymath Coffee weekly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Ambassador Zhen | Polymath Coffee |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (3 ratings)](https://appshunter.io/ios/app/polymath-coffee/id6774607089/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | — | Free |
| Size | 86 MB | 110 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TECH WORKS (PRIVATE) LIMITED](https://appshunter.io/developer/1355462291) | [CORN POS](https://appshunter.io/developer/1530344276) |

## What reviewers say

### Ambassador Zhen

[App page](https://appshunter.io/ios/app/ambassador-zhen/id6720754117)

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

**In-app purchases:** none


### Polymath Coffee

[App page](https://appshunter.io/ios/app/polymath-coffee/id6774607089)

This app rewards your visits to a specific coffee shop chain. Earn points with every purchase to redeem for free drinks, discounts, and special offers. It also provides real-time notifications for new deals and helps you find nearby locations.

**Highlights:** Earn loyalty points on purchases, Redeem points for free drinks/discounts, View digital loyalty card/QR code, Real-time offer notifications, Find nearby locations, Secure Google sign-in

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

**In-app purchases:** none


## Frequently asked questions

### Is Ambassador Zhen free?

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

### Is Polymath Coffee free?

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

### Do Ambassador Zhen or Polymath Coffee have ads?

Neither Ambassador Zhen nor Polymath Coffee shows ads.

### Which is updated more often, Ambassador Zhen or Polymath Coffee?

Ambassador Zhen ships an update every 3 months, and Polymath Coffee weekly. Most recently, Ambassador Zhen was updated on October 25, 2026 and Polymath Coffee on October 24, 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.*