# Pop Drinks vs Grain Theory

The clearest difference is iOS requirement: Grain Theory at 13.0 against Pop Drinks's 15.5. 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.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 3, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Pop Drinks | Grain Theory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (24 ratings)](https://appshunter.io/ios/app/pop-drinks/id1630122050/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | Free | — |
| Size | 47 MB | 51 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Pop Drinks](https://appshunter.io/developer/1630122052) | [Grain Theory](https://appshunter.io/developer/1804110253) |

## What reviewers say

### Pop Drinks

[App page](https://appshunter.io/ios/app/pop-drinks/id1630122050)

Easily order a variety of popular beverages from local establishments. Discover and select from a curated list of top drinks available in your area.

**Highlights:** Order best drinks in town, Discover local beverage options, User-friendly ordering interface, Curated drink selection

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

**In-app purchases:** none


### Grain Theory

[App page](https://appshunter.io/ios/app/grain-theory/id6743708276)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pop Drinks free?

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

### Is Grain Theory free?

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

### Do Pop Drinks or Grain Theory have ads?

Neither Pop Drinks nor Grain Theory shows ads.

### Which is updated more often, Pop Drinks or Grain Theory?

Pop Drinks ships an update every 6 weeks, and Grain Theory every 6 weeks. Most recently, Pop Drinks was updated on October 3, 2026 and Grain Theory on October 18, 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.*