# Date and Time Calculator Pro vs Simple Calculator. +

Date and Time Calculator Pro and Simple Calculator. + both sit at 4.8 stars, but that hides the real split: 89% of Date and Time Calculator Pro's written reviews are positive against 73% of Simple Calculator. +'s. Date and Time Calculator Pro also leads on update cadence (every 5 weeks vs every 3 months) and ratings volume (959 vs 147). On rating, ads, in-app purchases and device support there is nothing between them.

Date and Time Calculator Pro costs $0.99 and Simple Calculator. + $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.8 for Date and Time Calculator Pro against 4.7 for Simple Calculator. +. That said, the two scores are not equally well evidenced: Date and Time Calculator Pro has 959 ratings behind it against 147, so its average is the more settled of the two. Written reviews are what separate them: 89% of Date and Time Calculator Pro's written reviews are positive against 73% of Simple Calculator. +'s.

Date and Time Calculator Pro ships an update every 5 weeks, Simple Calculator. + every 3 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Date and Time Calculator Pro | Simple Calculator. + |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Rating | **[4.8 (959 ratings)](https://appshunter.io/ios/app/date-and-time-calculator-pro/id582268389/reviews)** | [4.7 (147 ratings)](https://appshunter.io/ios/app/simple-calculator-plus/id1324927779/reviews) |
| Number of ratings | **959** | 147 |
| Positive reviews | **88.9% of reviews** | 72.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 3 MB | 1 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [山 钟](https://appshunter.io/developer/1289109809) | [tasser gyati](https://appshunter.io/developer/1324926550) |

## What reviewers say

### Date and Time Calculator Pro

[App page](https://appshunter.io/ios/app/date-and-time-calculator-pro/id582268389)

Calculate the precise time difference between any two dates and times, down to the second.  Easily determine future or past dates based on a specified duration. Ideal for tracking events, financial periods, or personal milestones.

**Highlights:** Calculate time distance between dates, Calculate days after a specific date, Calculate date before a specific date, Second-level precision, Period time calculation

**In-app purchases:** none

**What reviewers like**

- 👍 Extremely useful
- 👍 Great app
- 👍 Excellent tool
- 👍 Useful
- 👍 Perfect app

**What reviewers complain about**

- 🐛 Ads even after buying
- 🐛 Paid for app but still has ads
- 🐛 Pro version has ads
- 🐛 Can't reinstall my purchased app

**Reported bugs**

- Paid version has lost the ability to calculate future dates based on weeks
- Date selection uses a scroll wheel instead of keypad entry
- Unable to copy or share calculation results

**Requested features**

- Add ability to change year for date time calculation
- Implement dark mode
- Add iPad version
- Add divide option in time calculator
- Add ability to calculate working days


### Simple Calculator. +

[App page](https://appshunter.io/ios/app/simple-calculator-plus/id1324927779)

This app offers a straightforward and dependable calculator for iPhone and iPad. It includes advanced features like tax calculation, cost/selling price/margin calculations, and memory operations. A free version is available to try before purchasing.

**Highlights:** 12-digit display, Tax calculation, Cost, selling price, and gross margin calculations, Memory operations, Grand total (GT), Percentage calculation

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

**In-app purchases:** none


## Frequently asked questions

### Is Date and Time Calculator Pro free?

Date and Time Calculator Pro costs $0.99, with no in-app purchases.

### Is Simple Calculator. + free?

Simple Calculator. + costs $1.99, with no in-app purchases.

### Which has better reviews, Date and Time Calculator Pro or Simple Calculator. +?

Date and Time Calculator Pro is rated higher. Date and Time Calculator Pro averages 4.8 out of 5 from 959 ratings, while Simple Calculator. + averages 4.7 from 147 ratings.

### Do Date and Time Calculator Pro or Simple Calculator. + have ads?

Neither Date and Time Calculator Pro nor Simple Calculator. + shows ads.

### Which is updated more often, Date and Time Calculator Pro or Simple Calculator. +?

Date and Time Calculator Pro ships an update every 5 weeks, and Simple Calculator. + every 3 months. Most recently, Date and Time Calculator Pro was updated on November 1, 2026 and Simple Calculator. + on November 2, 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.*