# Zento vs Glowgrid

The clearest difference is in-app purchases: Glowgrid at none against Zento's 1. Glowgrid also leads on update cadence (weekly vs every 3 weeks). Zento's advantage is iOS requirement (15.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Zento sells 1 one-off in-app purchase. Glowgrid asks for nothing beyond the download.

Zento ships an update every 3 weeks, Glowgrid weekly. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Zento | Glowgrid |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 33 MB | 5 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Not Another Studio LTD](https://appshunter.io/developer/1896729562) | [CalTech Web, LLC](https://appshunter.io/developer/6813628414) |

## What reviewers say

### Zento

[App page](https://appshunter.io/ios/app/zento-zen-loop-puzzle/id6770275298)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock the full game | $0.99 | one-time |


### Glowgrid

[App page](https://appshunter.io/ios/app/glowgrid-wire-connect-puzzle/id6813628232)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Zento free?

Zento is free to download, with in-app purchases available.

### Is Glowgrid free?

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

### Do Zento or Glowgrid have ads?

Neither Zento nor Glowgrid shows ads.

### Which is updated more often, Zento or Glowgrid?

Zento ships an update every 3 weeks, and Glowgrid weekly. Most recently, Zento was updated on November 9, 2026 and Glowgrid on November 10, 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.*