# Decimal Time Converter vs Time Duration/Add Calculator

The clearest difference is rating: Decimal Time Converter at 3.8 against Time Duration/Add Calculator's 1.0. Decimal Time Converter also leads on review sentiment (62% vs 25%) and ads (none vs shown). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Decimal Time Converter holds the better App Store score, 3.8 against 1.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews point the same way: 62% of Decimal Time Converter's written reviews are positive against 25% of Time Duration/Add Calculator's.

Decimal Time Converter ships an update every 12 months, Time Duration/Add Calculator every 9 months. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Decimal Time Converter | Time Duration/Add Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (4 ratings)](https://appshunter.io/ios/app/decimal-time-converter/id336532967/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/time-durationadd-calculator/id1521417824/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | **61.5% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 9 months** |
| Monetization | **Free** | Ad-supported |
| Size | 3 MB | 17 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CodeBurners](https://appshunter.io/developer/310114272) | [Kouji Yamauchi](https://appshunter.io/developer/1519365107) |

## What reviewers say

### Decimal Time Converter

[App page](https://appshunter.io/ios/app/decimal-time-converter/id336532967)

This utility quickly converts time between hours and minutes and decimal formats. Its intuitive interface uses slot machine-style spinners for instant, effortless conversion without needing to press submit.

**Highlights:** Hours and minutes to decimal conversion, Decimal to hours and minutes conversion, Instant conversion display, Slot machine style spinners, Multiple input modes (hours:minutes, decimals, minutes)

**Features:** macOS Compatibility

**In-app purchases:** none


### Time Duration/Add Calculator

[App page](https://appshunter.io/ios/app/time-durationadd-calculator/id1521417824)

Easily calculate elapsed time between two points or determine an end time based on a start time and duration. It also converts time into various units like days, hours, minutes, and seconds.

**Highlights:** Calculate elapsed time from start and end times, Calculate end time from start time and elapsed duration, Display time between start and end dates/times, Convert time into days, hours, minutes, and seconds, Easily enter current time, Calculate time before a given duration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Decimal Time Converter free?

Decimal Time Converter is free to download, with no in-app purchases.

### Is Time Duration/Add Calculator free?

Time Duration/Add Calculator is free to download, with no in-app purchases.

### Which has better reviews, Decimal Time Converter or Time Duration/Add Calculator?

Decimal Time Converter is rated higher. Decimal Time Converter averages 3.8 out of 5 from 4 ratings, while Time Duration/Add Calculator averages 1.0 from 1 ratings.

### Do Decimal Time Converter or Time Duration/Add Calculator have ads?

Time Duration/Add Calculator shows ads; Decimal Time Converter does not.

### Which is updated more often, Decimal Time Converter or Time Duration/Add Calculator?

Decimal Time Converter ships an update every 12 months, and Time Duration/Add Calculator every 9 months. Most recently, Decimal Time Converter was updated on October 14, 2026 and Time Duration/Add Calculator on October 24, 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.*