# HiDays vs LightCal²

The clearest difference is iOS requirement: HiDays at 17.0 against LightCal²'s 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. HiDays sells 1 one-off in-app purchase and LightCal² sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

HiDays ships an update every 8 days, LightCal² fortnightly. The most recent releases landed on October 4, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | HiDays | LightCal² |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 67.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 75 MB | 111 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [阳 张](https://appshunter.io/developer/1448121990) | [Qingyun Software Studio](https://appshunter.io/developer/1513505692) |

## What reviewers say

### HiDays

[App page](https://appshunter.io/ios/app/hidays-countdown-tracker/id1664492584)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Life Time Pro Access | $2.99 | one-time |


### LightCal²

[App page](https://appshunter.io/ios/app/lightcal-calendar/id6758233602)

This minimalist calendar app helps you manage your schedule and visualize important dates. It offers countdowns to future events and the ability to add special markers to specific days, bringing a sense of ritual to your time.

**Highlights:** Countdown to future events, Count up from past events, Date badges for special days, Detailed date information, Schedule management, Minimalist design

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Annual | $1.99 | per year |
| Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is HiDays free?

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

### Is LightCal² free?

LightCal² is free to download, with in-app purchases available.

### Do HiDays or LightCal² have ads?

Neither HiDays nor LightCal² shows ads.

### Which is updated more often, HiDays or LightCal²?

HiDays ships an update every 8 days, and LightCal² fortnightly. Most recently, HiDays was updated on October 4, 2026 and LightCal² on October 13, 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.*