# Days + Date + Time Calculator vs Build

The clearest difference is price: Days + Date + Time Calculator at Free against Build's $7.99. Days + Date + Time Calculator also leads on update cadence (every 6 weeks vs every 10 months) and iOS requirement (15.0 vs 26.0). Build's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

Days + Date + Time Calculator is free to download; Build costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Days + Date + Time Calculator ships an update every 6 weeks, Build every 10 months. The most recent releases landed on October 29, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Days + Date + Time Calculator | Build |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| Rating | **[4.7 (876 ratings)](https://appshunter.io/ios/app/days-plus-date-plus-time-calculator/id816849128/reviews)** | — |
| Number of ratings | **876** | — |
| Positive reviews | 82.6% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 10 months |
| Monetization | Ad-supported | — |
| Size | 18 MB | 10 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [山 钟](https://appshunter.io/developer/798031313) | [Hao Da-Wei](https://appshunter.io/developer/1758775655) |

## What reviewers say

### Days + Date + Time Calculator

[App page](https://appshunter.io/ios/app/days-plus-date-plus-time-calculator/id816849128)

Calculate the duration between two dates and times. This tool helps you find the exact number of days, hours, and minutes between any two points in time.

**Highlights:** Calculate days between dates, Calculate duration between dates and times, Calculate duration between times, Find exact number of days, Find exact number of hours and minutes

**In-app purchases:** none

**What reviewers like**

- 👍 Excellent app
- 👍 Helpful and useful
- 👍 Great variety of fonts and symbols
- 👍 Easy to use
- 👍 Convenient features

**What reviewers complain about**

- 🐛 Excessive advertising
- 🐛 Compatibility issues with updates
- 🔋 High battery consumption
- 🔒 Privacy concerns with ads

**Reported bugs**

- Crashes and freezes
- Fonts not displaying properly
- Syncing issues across devices

**Requested features**

- Add more font options
- Improve interface and navigation
- Provide a premium ad-free version
- Add more language support
- Improve copying and pasting functionality


### Build

[App page](https://appshunter.io/ios/app/build-tracker/id6747714386)

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

**In-app purchases:** none


## Frequently asked questions

### Is Days + Date + Time Calculator free?

Days + Date + Time Calculator is free to download, with no in-app purchases.

### Is Build free?

Build costs $7.99, with no in-app purchases.

### Do Days + Date + Time Calculator or Build have ads?

Days + Date + Time Calculator shows ads; Build does not.

### Which is updated more often, Days + Date + Time Calculator or Build?

Days + Date + Time Calculator ships an update every 6 weeks, and Build every 10 months. Most recently, Days + Date + Time Calculator was updated on October 29, 2026 and Build on October 15, 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.*