# Intervallical vs Notes for Lucky

The clearest difference is price: Intervallical at Free against Notes for Lucky's $0.99. Intervallical also leads on iOS requirement (14.0 vs 17.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Intervallical is free to download; Notes for Lucky costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Intervallical ships an update every 23 months, Notes for Lucky every 12 months. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Intervallical | Notes for Lucky |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/intervallical/id1578174278/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 12 months** |
| Monetization | Free | — |
| Size | 8 MB | 1 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Janusz Polowczyk](https://appshunter.io/developer/1578174280) | [And a Dinosaur](https://appshunter.io/developer/475577301) |

## What reviewers say

### Intervallical

[App page](https://appshunter.io/ios/app/intervallical/id1578174278)

This app offers a versatile countdown timer with three distinct modes: simultaneous, consecutive, and intervallic. It allows users to set up predefined timers for various tasks, from focused work sessions to delayed countdowns, all within a simple and familiar interface.

**Highlights:** Simultaneous timer mode, Consecutive timer mode, Intervallic timer mode, User-defined timer intervals, Simple tap controls, Predefined timer cards

**Features:** macOS Compatibility

**In-app purchases:** none


### Notes for Lucky

[App page](https://appshunter.io/ios/app/notes-for-lucky/id6670499655)

**In-app purchases:** none


## Frequently asked questions

### Is Intervallical free?

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

### Is Notes for Lucky free?

Notes for Lucky costs $0.99, with no in-app purchases.

### Do Intervallical or Notes for Lucky have ads?

Neither Intervallical nor Notes for Lucky shows ads.

### Which is updated more often, Intervallical or Notes for Lucky?

Intervallical ships an update every 23 months, and Notes for Lucky every 12 months. Most recently, Intervallical was updated on November 3, 2026 and Notes for Lucky on November 8, 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.*