# HeyMax vs Gray Matters

The clearest difference is ads: Gray Matters at none against HeyMax's shown. On price, in-app purchases, device support 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.

## The numbers

| Metric | HeyMax | Gray Matters |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 70.5% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | — |
| Monetization | Ad-supported | — |
| Size | 158 MB | 3 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MAX NOW PTE LTD](https://appshunter.io/developer/1701399619) | [Hannah Bruce Macdonald](https://appshunter.io/developer/1888603198) |

## What reviewers say

### HeyMax

[App page](https://appshunter.io/ios/app/heymax-stack-miles-and-rewards/id6458735907)

Earn extra travel miles on everyday purchases and bookings. Convert these miles into points for over 30 airline and hotel programs, or use them for flights on any airline. Miles never expire and there are no hidden fees.

**Highlights:** Earn miles on shopping, travel, and vouchers, Convert miles to 30+ airline/hotel loyalty programs, Redeem miles for flights on any airline, Miles never expire, No hidden fees, Shop through 300+ partner brands

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

**In-app purchases:** none


### Gray Matters

[App page](https://appshunter.io/ios/app/gray-matters/id6761714841)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HeyMax free?

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

### Is Gray Matters free?

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

### Do HeyMax or Gray Matters have ads?

HeyMax shows ads; Gray Matters does not.

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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.*