# Time Duration/Add Calculator vs Elapsed Timer

The clearest difference is in-app purchases: Time Duration/Add Calculator at none against Elapsed Timer's 1. Time Duration/Add Calculator also leads on iOS requirement (13.0 vs 15.6). Elapsed Timer's advantage is update cadence (every 2 months vs every 9 months). On price, ads and device support there is nothing between them.

Both are free to download. Elapsed Timer sells 1 one-off in-app purchase. Time Duration/Add Calculator asks for nothing beyond the download.

Time Duration/Add Calculator ships an update every 9 months, Elapsed Timer every 2 months. The most recent releases landed on September 20, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Time Duration/Add Calculator | Elapsed Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (6 ratings)](https://appshunter.io/ios/app/elapsed-timer/id1590283181/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 17 MB | 6 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kouji Yamauchi](https://appshunter.io/developer/1519365107) | [Kei Suefuji](https://appshunter.io/developer/1388335881) |

## What reviewers say

### Time Duration/Add Calculator

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Elapsed Timer

[App page](https://appshunter.io/ios/app/elapsed-timer/id1590283181)

Track multiple durations simultaneously with this intuitive utility. Perfect for managing tasks like baby feeding intervals, study sessions, or cooking times. The free version supports two timers, with a premium option for more.

**Highlights:** Track multiple elapsed times, Set custom names and colors for tasks, Start, stop, and edit timer measurements, Free version supports two timers, Premium version for unlimited timers, Ad-free experience with premium

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PREMIUM | $4.99 | one-time |


## Frequently asked questions

### Is Time Duration/Add Calculator free?

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

### Is Elapsed Timer free?

Elapsed Timer is free to download, with in-app purchases available.

### Do Time Duration/Add Calculator or Elapsed Timer have ads?

Both Time Duration/Add Calculator and Elapsed Timer show ads.

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

Time Duration/Add Calculator ships an update every 9 months, and Elapsed Timer every 2 months. Most recently, Time Duration/Add Calculator was updated on September 20, 2026 and Elapsed Timer on September 21, 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.*