# iWorkUntil vs Stack

iWorkUntil and Stack are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | iWorkUntil | Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/iworkuntil-adhd-visual-timer/id6759521985/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 days | — |
| Monetization | Free | — |
| Size | 50 MB | 29 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [David Klausz](https://appshunter.io/developer/1626521331) | [SouthIndus Labs](https://appshunter.io/developer/1894512281) |

## What reviewers say

### iWorkUntil

[App page](https://appshunter.io/ios/app/iworkuntil-adhd-visual-timer/id6759521985)

This app transforms remaining time into a visual representation, using a grid that fills as time passes. It's designed for individuals who benefit from seeing time progress, particularly for focus sessions, study periods, or managing workdays.

**Highlights:** Visual countdown timer, Time represented as a filling grid, Customizable duration or time range, Multiple themes available, Minimalist overlay design, No notifications or ads

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

**In-app purchases:** none


### Stack

[App page](https://appshunter.io/ios/app/stack-plan-and-progress/id6811904839)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iWorkUntil free?

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

### Is Stack free?

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

### Do iWorkUntil or Stack have ads?

Neither iWorkUntil nor Stack shows ads.

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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.*