# Timely vs Time Duration/Add Calculator

The clearest difference is review sentiment: Timely at 88% against Time Duration/Add Calculator's 25%. Timely also leads on rating (2.0 vs 1.0) and ads (none vs shown). Time Duration/Add Calculator's advantage is iOS requirement (13.0 vs 15.0). On price, 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.

Timely holds the better App Store score, 2.0 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 88% of Timely's written reviews are positive against 25% of Time Duration/Add Calculator's.

Timely ships an update monthly, Time Duration/Add Calculator every 9 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Timely | Time Duration/Add Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (3 ratings)](https://appshunter.io/ios/app/timely-time-calculator/id1270645866/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/time-durationadd-calculator/id1521417824/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | **87.5% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 9 months |
| Monetization | **Free** | Ad-supported |
| Size | 40 MB | 17 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Gatto](https://appshunter.io/developer/1270645865) | [Kouji Yamauchi](https://appshunter.io/developer/1519365107) |

## What reviewers say

### Timely

[App page](https://appshunter.io/ios/app/timely-time-calculator/id1270645866)

Perform arithmetic operations on time spans and numbers with this free utility. Supports addition, subtraction, multiplication, and division, including percentages and modulus. It can also function as a standard calculator.

**Highlights:** Time span arithmetic, Addition, subtraction, multiplication, division, Percentage and modulus calculations, Standard calculator functionality, Supports decimals and order of operations

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

**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 Timely free?

Timely 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, Timely or Time Duration/Add Calculator?

Timely is rated higher. Timely averages 2.0 out of 5 from 3 ratings, while Time Duration/Add Calculator averages 1.0 from 1 ratings.

### Do Timely or Time Duration/Add Calculator have ads?

Time Duration/Add Calculator shows ads; Timely does not.

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

Timely ships an update monthly, and Time Duration/Add Calculator every 9 months. Most recently, Timely was updated on October 29, 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.*