# Stackbox vs Gluon

The clearest difference is iOS requirement: Stackbox at 18.0 against Gluon's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Stackbox sells 2 in-app purchases, starting at $1.99 per month and Gluon sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Stackbox ships an update every 4 days, Gluon every 2 days. The most recent releases landed on October 10, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Stackbox | Gluon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/gluon-calendar-and-planner/id6758938759/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Monetization | — | Free |
| Size | 33 MB | 57 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [YunJae Jeong](https://appshunter.io/developer/1568287924) | [jiung han](https://appshunter.io/developer/1875864753) |

## What reviewers say

### Stackbox

[App page](https://appshunter.io/ios/app/stackbox-rss-reader/id6758572761)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $1.99 | per month |
| Yearly Plan | $19.99 | per year |


### Gluon

[App page](https://appshunter.io/ios/app/gluon-calendar-and-planner/id6758938759)

This app provides a unified workspace for managing projects, tasks, and your daily schedule. It offers features like task prioritization, event planning, recurring routines, and a focus timer. Enjoy a private, offline experience with iCloud sync and progress analytics.

**Highlights:** Project and task management, Event planning with reminders, Recurring routines and streak tracking, Calendar view (week, month, timeline), Focus timer (Pomodoro, stopwatch), Mood logging and journaling, Progress analytics and reviews, File and photo attachments

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gluon Pro Monthly | $1.99 | per month |
| Gluon Pro | $14.99 | per year |


## Frequently asked questions

### Is Stackbox free?

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

### Is Gluon free?

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

### Do Stackbox or Gluon have ads?

Neither Stackbox nor Gluon shows ads.

### Which is updated more often, Stackbox or Gluon?

Stackbox ships an update every 4 days, and Gluon every 2 days. Most recently, Stackbox was updated on October 10, 2026 and Gluon on October 16, 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.*