# Time Calc vs Aviator Notes App

The clearest difference is update cadence: Aviator Notes App at weekly against Time Calc's monthly. Aviator Notes App also leads on iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Time Calc sells 4 in-app purchases, starting at $2.99 per 7 days and Aviator Notes App sells 1 in-app purchase, starting at $19.99 per year. Whichever you choose, the download price is not the number that matters.

Time Calc ships an update monthly, Aviator Notes App weekly. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Time Calc | Aviator Notes App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (235 ratings)](https://appshunter.io/ios/app/time-calc-time-calculator/id1279195300/reviews)** | — |
| Number of ratings | **235** | — |
| Positive reviews | 42.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Freemium | — |
| Size | 10 MB | 34 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ottorino Bruni](https://appshunter.io/developer/360574946) | [Erick Alejandro De Luna Chio](https://appshunter.io/developer/1829607269) |

## What reviewers say

### Time Calc

[App page](https://appshunter.io/ios/app/time-calc-time-calculator/id1279195300)

Easily add, subtract, and compare times with this intuitive calculator. Perfect for logging hours, tracking shifts, or planning projects, it handles hours, minutes, and seconds with precision. Convert results and sync across devices.

**Highlights:** Add, subtract, multiply, divide time, Calculate time differences, Add/subtract time from dates, Convert results to various units, Convert between decimal and HH:MM:SS, Save and share calculations, iCloud sync

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week | $2.99 | per 7 days |
| 1 Month | $4.99 | per month |
| 1 Year | $11.99 | per year |
| Forever | $29.99 | one-time |

**What reviewers like**

- 👍 Visual calculation aid
- 👍 Helpful for pilots
- 👍 Simple and fast
- 👍 Good for schoolwork
- 👍 Easy to use

**What reviewers complain about**

-  anúncios Pop-up ads
- 💰 Subscription required for basic functions
- 💸 Unreasonable cost for basic features
- 🚫 Free version is very limited
- 👎 No restore purchase option

**Reported bugs**

- Purchase not restoring after device change
- Cannot restore previous purchase
- Pop-up ads are irritating
- Free version doesn't work
- Purchase not restoring

**Requested features**

- Ad-free version option
- Option to negate inputting seconds
- Improve restore purchase functionality
- Fix night mode functionality
- Fix display of numbers before action


### Aviator Notes App

[App page](https://appshunter.io/ios/app/aviator-notes-app/id6749254504)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Anual | $19.99 | per year |


## Frequently asked questions

### Is Time Calc free?

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

### Is Aviator Notes App free?

Aviator Notes App is free to download, with in-app purchases available.

### Do Time Calc or Aviator Notes App have ads?

Neither Time Calc nor Aviator Notes App shows ads.

### Which is updated more often, Time Calc or Aviator Notes App?

Time Calc ships an update monthly, and Aviator Notes App weekly. Most recently, Time Calc was updated on October 24, 2026 and Aviator Notes App on October 15, 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.*