# Date Calculator vs Triangle Angles Calculator

The clearest difference is review sentiment: Triangle Angles Calculator at 100% against Date Calculator's 64%. Triangle Angles Calculator also leads on rating (5.0 vs 4.5) and in-app purchases (none vs 4). Date Calculator's advantage is ratings volume (198 vs 1). On price, ads 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. Triangle Angles Calculator asks for nothing beyond the download.

Triangle Angles Calculator holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Date Calculator has 198 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 64% of Date Calculator's written reviews are positive against 100% of Triangle Angles Calculator's.

Date Calculator ships an update every 5 weeks, Triangle Angles Calculator every 3 days. Both last shipped on September 9, 2026.

## The numbers

| Metric | Date Calculator | Triangle Angles Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (198 ratings)](https://appshunter.io/ios/app/date-calculator-timerange/id424582307/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/triangle-angles-calculator/id1598378708/reviews)** |
| Number of ratings | **198** | 1 |
| Positive reviews | 64.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 28 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Applorium Ltd](https://appshunter.io/developer/1688522804) | [Dmitriy Trofimov](https://appshunter.io/developer/1598378710) |

## 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


### Triangle Angles Calculator

[App page](https://appshunter.io/ios/app/triangle-angles-calculator/id1598378708)

Easily calculate unknown sides, angles, and other parameters for various triangle types. Features interactive visualizations and works offline, making it ideal for students and professionals needing quick, accurate geometric solutions.

**Highlights:** Calculate unknown triangle parameters from 2-3 known values, Interactive visualization of triangle types, Real-time calculations with intuitive interface, Offline functionality, Supports metric and imperial units, Calculates sides, angles, area, perimeter, medians, and circles

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

**In-app purchases:** none


## Frequently asked questions

### Is Date Calculator free?

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

### Is Triangle Angles Calculator free?

Triangle Angles Calculator is free to download, with no in-app purchases.

### Which has better reviews, Date Calculator or Triangle Angles Calculator?

Triangle Angles Calculator is rated higher. Date Calculator averages 4.5 out of 5 from 198 ratings, while Triangle Angles Calculator averages 5.0 from 1 ratings.

### Do Date Calculator or Triangle Angles Calculator have ads?

Neither Date Calculator nor Triangle Angles Calculator shows ads.

### Which is updated more often, Date Calculator or Triangle Angles Calculator?

Date Calculator ships an update every 5 weeks, and Triangle Angles Calculator every 3 days. Most recently, Date Calculator was updated on September 9, 2026 and Triangle Angles Calculator on September 9, 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.*