# DOY vs DayNumCalc

The clearest difference is review sentiment: DayNumCalc at 100% against DOY's 50%. DayNumCalc also leads on rating (4.8 vs 3.0) and ratings volume (6 vs 2). DOY's advantage is price (Free vs $0.99). On update cadence, ads, in-app purchases and device support there is nothing between them.

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

DayNumCalc holds the better App Store score, 4.8 against 3.0. Both are backed by a comparable volume of ratings — 2 and 6 respectively. Written reviews point the same way: 50% of DOY's written reviews are positive against 100% of DayNumCalc's.

DOY ships an update every 4 months, DayNumCalc every 6 months. The most recent releases landed on June 3, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | DOY | DayNumCalc |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/doy/id1208546429/reviews) | **[4.8 (6 ratings)](https://appshunter.io/ios/app/daynumcalc/id1633054306/reviews)** |
| Number of ratings | 2 | **6** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | **Free** | Paid |
| Size | 6 MB | 1 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Hansen](https://appshunter.io/developer/312733912) | [Mayra M Martinez](https://appshunter.io/developer/1633054308) |

## What reviewers say

### DOY

[App page](https://appshunter.io/ios/app/doy/id1208546429)

This app helps you track important upcoming events by counting down the days. It also provides the Day Of Year and sunrise/sunset times for each event based on your location.

**Highlights:** Countdown to user-defined events, Displays Day Of Year for events, Provides sunrise and sunset times, Location-based sunrise/sunset data, Inspired by military 'short timer' tapes

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is DOY free?

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

### Is DayNumCalc free?

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

### Which has better reviews, DOY or DayNumCalc?

DayNumCalc is rated higher. DOY averages 3.0 out of 5 from 2 ratings, while DayNumCalc averages 4.8 from 6 ratings.

### Do DOY or DayNumCalc have ads?

Neither DOY nor DayNumCalc shows ads.

### Which is updated more often, DOY or DayNumCalc?

DOY ships an update every 4 months, and DayNumCalc every 6 months. Most recently, DOY was updated on June 3, 2026 and DayNumCalc on September 10, 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.*