# Days calc vs ExSciCalc

The clearest difference is rating: ExSciCalc at 5.0 against Days calc's 4.8. ExSciCalc also leads on update cadence (every 3 weeks vs every 2 months) and review sentiment (100% vs 88%). Days calc's advantage is ratings volume (4 vs 1) and price ($0.99 vs $1.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

Days calc costs $0.99 and ExSciCalc $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ExSciCalc holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews point the same way: 88% of Days calc's written reviews are positive against 100% of ExSciCalc's.

Days calc ships an update every 2 months, ExSciCalc every 3 weeks. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Days calc | ExSciCalc |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Rating | [4.8 (4 ratings)](https://appshunter.io/ios/app/days-calc-dates-calculator/id1135287767/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/exscicalc/id1625177287/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 87.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Size | 1 MB | 1 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Evgeny Turchaninov](https://appshunter.io/developer/517592625) | [Dale C Koepp](https://appshunter.io/developer/331525420) |

## What reviewers say

### Days calc

[App page](https://appshunter.io/ios/app/days-calc-dates-calculator/id1135287767)

Calculate the difference between two dates or add days to a specific date. This tool helps you determine future dates, remaining days until an event, or days passed since a past date. It conveniently saves your last calculation for quick access.

**Highlights:** Add days to a date, Calculate difference between dates, Count days, weeks, or years-months-days, Find remaining days until a date, Track days passed since a date, Saves last calculated date

**Features:** macOS Compatibility

**In-app purchases:** none


### ExSciCalc

[App page](https://appshunter.io/ios/app/exscicalc/id1625177287)

This calculator offers enhanced precision and memory beyond standard devices. It includes advanced functions for statistics, physics, and mathematics, alongside common calculations and unit conversions.

**Highlights:** Extended precision (30+ digits), Extended memory (main + 10 auxiliary), Scroll windows for button access, Statistical calculations, Physical and mathematical constants, Unit conversions, Roots of equations, Special relativity calculations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Days calc free?

Days calc costs $0.99, with no in-app purchases.

### Is ExSciCalc free?

ExSciCalc costs $1.99, with no in-app purchases.

### Which has better reviews, Days calc or ExSciCalc?

ExSciCalc is rated higher. Days calc averages 4.8 out of 5 from 4 ratings, while ExSciCalc averages 5.0 from 1 ratings.

### Do Days calc or ExSciCalc have ads?

Neither Days calc nor ExSciCalc shows ads.

### Which is updated more often, Days calc or ExSciCalc?

Days calc ships an update every 2 months, and ExSciCalc every 3 weeks. Most recently, Days calc was updated on November 6, 2026 and ExSciCalc on November 3, 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.*