# Lupin meter vs Due Pal

The clearest difference is update cadence: Due Pal at every 3 weeks against Lupin meter's every 3 months. Lupin meter's advantage is iOS requirement (8.0 vs 18.0). 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.

Lupin meter ships an update every 3 months, Due Pal every 3 weeks. The most recent releases landed on October 11, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Lupin meter | Due Pal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/due-pal-adhd-visual-timer/id6756181712/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 90.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | — | Paid |
| Size | 6 MB | 17 MB |
| Requires iOS | **8.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Endo Lighting Corp.](https://appshunter.io/developer/1066146118) | [帅 陈](https://appshunter.io/developer/1655624601) |

## What reviewers say

### Lupin meter

[App page](https://appshunter.io/ios/app/lupin-meter/id1256856500)

**In-app purchases:** none


### Due Pal

[App page](https://appshunter.io/ios/app/due-pal-adhd-visual-timer/id6756181712)

This app provides a persistent visual countdown to your next scheduled event, designed to combat time blindness for individuals with ADHD. It offers customizable visual styles and smart reminders to help manage transitions between tasks and appointments.

**Highlights:** Persistent visual countdown, Always-visible on Lock Screen/Dynamic Island, Two visual styles: Flip Clock & Digital, Smart transition reminders, Flexible daily scheduling, High-contrast readable design

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Lupin meter free?

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

### Is Due Pal free?

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

### Do Lupin meter or Due Pal have ads?

Neither Lupin meter nor Due Pal shows ads.

### Which is updated more often, Lupin meter or Due Pal?

Lupin meter ships an update every 3 months, and Due Pal every 3 weeks. Most recently, Lupin meter was updated on October 11, 2026 and Due Pal on October 2, 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.*