# Time Calculator vs Kept

The clearest difference is in-app purchases: Kept at none against Time Calculator's 1. Time Calculator's advantage is iOS requirement (16.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Time Calculator sells 1 one-off in-app purchase. Kept asks for nothing beyond the download.

## The numbers

| Metric | Time Calculator | Kept |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (168 ratings)](https://appshunter.io/ios/app/time-calculator-add-subtract/id1583726955/reviews)** | — |
| Number of ratings | **168** | — |
| Positive reviews | 38.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 1 MB | 1 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Phan Nhat Đang](https://appshunter.io/developer/1437390098) | [Rueben McBurrows](https://appshunter.io/developer/1889515866) |

## What reviewers say

### Time Calculator

[App page](https://appshunter.io/ios/app/time-calculator-add-subtract/id1583726955)

Easily solve time-related calculations. Add or subtract time values, calculate durations between two times or dates, and manage time from a starting point. This intuitive and simple application makes time math straightforward.

**Highlights:** Add or subtract time values, Add/subtract from a starting time and date, Calculate time duration between two times, Calculate time duration between two dates, Intuitive and easy to use interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all features | $3.99 | one-time |


### Kept

[App page](https://appshunter.io/ios/app/kept/id6761720984)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Time Calculator free?

Time Calculator is free to download, with in-app purchases available.

### Is Kept free?

Kept is free to download, with no in-app purchases.

### Do Time Calculator or Kept have ads?

Neither Time Calculator nor Kept shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*