# 1000digit Calc vs Lunadar

The clearest difference is update cadence: Lunadar at daily against 1000digit Calc's weekly. 1000digit Calc's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

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

1000digit Calc ships an update weekly, Lunadar daily. The most recent releases landed on May 17, 2026 and June 19, 2026 respectively.

## The numbers

| Metric | 1000digit Calc | Lunadar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lunadar/id6535689141/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | — | Free |
| Size | 5 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yukihiro Shioya](https://appshunter.io/developer/1565306192) | [Huy Ta](https://appshunter.io/developer/1756934665) |

## What reviewers say

### 1000digit Calc

[App page](https://appshunter.io/ios/app/1000digit-calc/id6463856899)

**Features:** macOS Compatibility

**In-app purchases:** none


### Lunadar

[App page](https://appshunter.io/ios/app/lunadar/id6535689141)

Explore and manage time using a lunar calendar with this intuitive app. It offers detailed lunar date information, including month lengths, and allows for easy event management based on lunar cycles. Experience a unique approach to timekeeping on your iOS device.

**Highlights:** Lunar calendar exploration, Detailed lunar date information, Lunar month length display, Event management based on lunar cycle, Intuitive user interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 1000digit Calc free?

1000digit Calc is free to download, with no in-app purchases.

### Is Lunadar free?

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

### Do 1000digit Calc or Lunadar have ads?

Neither 1000digit Calc nor Lunadar shows ads.

### Which is updated more often, 1000digit Calc or Lunadar?

1000digit Calc ships an update weekly, and Lunadar daily. Most recently, 1000digit Calc was updated on May 17, 2026 and Lunadar on June 19, 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.*