# Date Calculator vs ListReady Studio

The clearest difference is ads: Date Calculator at none against ListReady Studio's shown. ListReady Studio's advantage is update cadence (daily vs every 5 weeks) and iOS requirement (13.0 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Date Calculator sells 4 in-app purchases, starting at $3.99 per month and ListReady Studio sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Date Calculator ships an update every 5 weeks, ListReady Studio daily. The most recent releases landed on September 9, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Date Calculator | ListReady Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (198 ratings)](https://appshunter.io/ios/app/date-calculator-timerange/id424582307/reviews)** | — |
| Number of ratings | **198** | — |
| Positive reviews | 64.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 35 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Applorium Ltd](https://appshunter.io/developer/1688522804) | [Hasan Behlul Bozal](https://appshunter.io/developer/1555880945) |

## What reviewers say

### Date Calculator

[App page](https://appshunter.io/ios/app/date-calculator-timerange/id424582307)

Easily calculate the difference between dates, add or subtract days, and create custom countdowns. Personalize your workweek and skip specific dates for accurate workday calculations. Track events with home screen widgets and receive timely notifications.

**Highlights:** Add/subtract days, weeks, months, years, Customizable workweek calculations, Skip specific dates, Calculate intervals between dates, Create customizable countdowns, Home screen widgets, Countdown notifications

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Timerange Plus Monthly | $3.99 | per month |
| Timerange Plus Annual | $9.99 | per year |
| Timerange Plus | $6.99 | one-time |
| Date Calculator Plus | $19.99 | one-time |

**What reviewers like**

- ✅ Simple and intuitive interface
- ⚡ Quick date calculations
- 📱 Useful widget functionality
- 🎯 Does exactly what it promises
- 💼 Practical for professional use (legal, pharmacy, food industry, travel)

**What reviewers complain about**

- 🐛 Widget crashes and fails to load
- 😕 Confusing user interface for new users
- ❌ Limited functionality in free version
- 💰 Premium features feel overpriced
- 🔧 Frequent bugs after updates

**Reported bugs**

- Premium interval exclusion feature not working despite payment
- Widget displays incorrect values (e.g., '0 days old')
- App crashes when swiping to secondary function
- Date selection doesn't persist when clicking away
- Calculations intermittently off by one day

**Requested features**

- Ability to exclude/include specific holidays and dates
- Support for calculating days between two dates (not just from a date)
- Business days only calculation (exclude weekends)
- Multiple interval tracking simultaneously
- Save custom holiday periods


### ListReady Studio

[App page](https://appshunter.io/ios/app/listready-studio/id6748018322)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Magic Credit | $0.99 | one-time |
| 5 Magic Credits | $3.99 | one-time |
| 10 Magic Credits | $5.99 | one-time |


## Frequently asked questions

### Is Date Calculator free?

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

### Is ListReady Studio free?

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

### Do Date Calculator or ListReady Studio have ads?

ListReady Studio shows ads; Date Calculator does not.

### Which is updated more often, Date Calculator or ListReady Studio?

Date Calculator ships an update every 5 weeks, and ListReady Studio daily. Most recently, Date Calculator was updated on September 9, 2026 and ListReady Studio on September 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*