# Sleep Time Calculator vs TimeCalc

The clearest difference is rating: TimeCalc at 4.5 against Sleep Time Calculator's 3.8. TimeCalc also leads on update cadence (every 5 weeks vs every 3 months) and review sentiment (79% vs 70%). Sleep Time Calculator's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. TimeCalc sells 4 in-app purchases, starting at $0.99 per month. Sleep Time Calculator asks for nothing beyond the download.

TimeCalc holds the better App Store score, 4.5 against 3.8. Both are backed by a comparable volume of ratings — 23 and 91 respectively. Written reviews point the same way: 70% of Sleep Time Calculator's written reviews are positive against 79% of TimeCalc's.

Sleep Time Calculator ships an update every 3 months, TimeCalc every 5 weeks. The most recent releases landed on November 1, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | Sleep Time Calculator | TimeCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (23 ratings)](https://appshunter.io/ios/app/sleep-time-calculator/id606077861/reviews) | **[4.5 (91 ratings)](https://appshunter.io/ios/app/timecalc-time-calculator/id1369060155/reviews)** |
| Number of ratings | 23 | **91** |
| Positive reviews | 69.7% of reviews | **78.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 55 MB | 37 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Recked Software LLC](https://appshunter.io/developer/606077864) | [Ha Thanh](https://appshunter.io/developer/1369060154) |

## What reviewers say

### Sleep Time Calculator

[App page](https://appshunter.io/ios/app/sleep-time-calculator/id606077861)

This free utility helps you determine optimal wake-up times based on sleep cycles. It aims to reduce grogginess by recommending times to rise at the end of a sleep cycle, promoting a more alert feeling.

**Highlights:** Optimal wake-up time recommendations, Sleep cycle analysis, Reduces grogginess, Promotes alertness, Free to use

**Features:** macOS Compatibility

**In-app purchases:** none


### TimeCalc

[App page](https://appshunter.io/ios/app/timecalc-time-calculator/id1369060155)

This app accurately calculates time-related tasks, including working hours, durations between dates, and age. It offers a user-friendly interface with dark mode and offline functionality, allowing for easy time management for work and personal life.

**Highlights:** Calculate working hours, Calculate time between two points, Add and subtract time, Calculate age, Convert time units, Export calculations to PDF

**Features:** Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium subscription 1 month | $0.99 | per month |
| Premium subscription 3 month | $1.99 | per 3 months |
| Premium subscription 1 year | $4.99 | per year |
| Premium | $14.99 | one-time |


## Frequently asked questions

### Is Sleep Time Calculator free?

Sleep Time Calculator is free to download, with no in-app purchases.

### Is TimeCalc free?

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

### Which has better reviews, Sleep Time Calculator or TimeCalc?

TimeCalc is rated higher. Sleep Time Calculator averages 3.8 out of 5 from 23 ratings, while TimeCalc averages 4.5 from 91 ratings.

### Do Sleep Time Calculator or TimeCalc have ads?

TimeCalc shows ads; Sleep Time Calculator does not.

### Which is updated more often, Sleep Time Calculator or TimeCalc?

Sleep Time Calculator ships an update every 3 months, and TimeCalc every 5 weeks. Most recently, Sleep Time Calculator was updated on November 1, 2026 and TimeCalc on November 11, 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.*