# Stack vs Triloop

The clearest difference is device support: Stack at 3 against Triloop's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Stack sells 2 in-app purchases, starting at $1.99 per month and Triloop sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Stack ships an update every 8 days, Triloop weekly. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Stack | Triloop |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Weekly** |
| Size | 61 MB | 115 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fadi Zaid](https://appshunter.io/developer/1893682112) | [Advanced Productivity Solutions](https://appshunter.io/developer/6772711331) |

## What reviewers say

### Stack

[App page](https://appshunter.io/ios/app/stack-tasks-and-reminders/id6762291589)

**Features:** Apple Watch app

**In-app purchases (2)**

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


### Triloop

[App page](https://appshunter.io/ios/app/triloop-tasks-habits-journal/id6772711329)

**Features:** iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $7.99 | per month |
| Premium Annual | $59.99 | per year |


## Frequently asked questions

### Is Stack free?

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

### Is Triloop free?

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

### Do Stack or Triloop have ads?

Neither Stack nor Triloop shows ads.

### Which is updated more often, Stack or Triloop?

Stack ships an update every 8 days, and Triloop weekly. Most recently, Stack was updated on October 31, 2026 and Triloop on November 5, 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.*