# EP vs Loop 16 Puzzle

The clearest difference is update cadence: EP at daily against Loop 16 Puzzle's every 10 days. EP also leads on iOS requirement (15 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

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

EP ships an update daily, Loop 16 Puzzle every 10 days. The most recent releases landed on October 6, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | EP | Loop 16 Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 10 days |
| Size | 36 MB | 1 MB |
| Requires iOS | **15** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Lichuan Cheng](https://appshunter.io/developer/1811966129) | [Kiyoshi Izumi](https://appshunter.io/developer/1807085294) |

## What reviewers say

### EP

[App page](https://appshunter.io/ios/app/ep-equation-pyramid/id6747661805)

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

**In-app purchases:** none


### Loop 16 Puzzle

[App page](https://appshunter.io/ios/app/loop-16-puzzle/id6759582501)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is EP free?

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

### Is Loop 16 Puzzle free?

Loop 16 Puzzle is free to download, with no in-app purchases.

### Do EP or Loop 16 Puzzle have ads?

Neither EP nor Loop 16 Puzzle shows ads.

### Which is updated more often, EP or Loop 16 Puzzle?

EP ships an update daily, and Loop 16 Puzzle every 10 days. Most recently, EP was updated on October 6, 2026 and Loop 16 Puzzle 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.*