# DayNumCalc vs Tempus Calc

The clearest difference is price: Tempus Calc at Free against DayNumCalc's $0.99. Tempus Calc also leads on update cadence (every 8 days vs every 6 months). DayNumCalc's advantage is device support (3 vs 1) and iOS requirement (15.5 vs 18.0). On ads and in-app purchases there is nothing between them.

Tempus Calc is free to download; DayNumCalc costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

DayNumCalc ships an update every 6 months, Tempus Calc every 8 days. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | DayNumCalc | Tempus Calc |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/daynumcalc/id1633054306/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 8 days** |
| Monetization | Paid | — |
| Size | 1 MB | 3 MB |
| Requires iOS | **15.5** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mayra M Martinez](https://appshunter.io/developer/1633054308) | [ommar alquisi](https://appshunter.io/developer/1815009330) |

## What reviewers say

### DayNumCalc

[App page](https://appshunter.io/ios/app/daynumcalc/id1633054306)

This utility app provides quick access to date calculations, including finding the day number for any date, determining a date from a day number, calculating the difference between two dates, and checking the day of the week. It also offers widgets for convenient access on your home and lock screens.

**Highlights:** Calculate day number from date, Determine date from day number, Calculate days between two dates, Add/subtract days from a date, Check day of the week, Home screen widgets, Today View widgets, Lock screen widgets

**In-app purchases:** none


### Tempus Calc

[App page](https://appshunter.io/ios/app/tempus-calc/id6746067882)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DayNumCalc free?

DayNumCalc costs $0.99, with no in-app purchases.

### Is Tempus Calc free?

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

### Do DayNumCalc or Tempus Calc have ads?

Neither DayNumCalc nor Tempus Calc shows ads.

### Which is updated more often, DayNumCalc or Tempus Calc?

DayNumCalc ships an update every 6 months, and Tempus Calc every 8 days. Most recently, DayNumCalc was updated on October 14, 2026 and Tempus Calc on October 7, 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.*