# Proximity vs Time Calc

The clearest difference is in-app purchases: Proximity at none against Time Calc's 4. Proximity also leads on iOS requirement (7.0 vs 18.0). Time Calc's advantage is update cadence (monthly vs every 8 months). On price, review sentiment, ads 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. Proximity asks for nothing beyond the download.

Proximity ships an update every 8 months, Time Calc monthly. The most recent releases landed on October 23, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Proximity | Time Calc |
| --- | --- | --- |
| 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 | **50.0% of reviews** | 42.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Monetization | **Free** | Freemium |
| Size | 29 MB | 10 MB |
| Requires iOS | **7.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Bombardier Aerospace](https://appshunter.io/developer/426503271) | [Ottorino Bruni](https://appshunter.io/developer/360574946) |

## What reviewers say

### Proximity

[App page](https://appshunter.io/ios/app/proximity/id720799525)

This app helps business aircraft customers quickly find and contact a global support team. Register your aircraft to streamline AOG events and access contact details for service centers and personnel worldwide. It offers online and offline capabilities for easy access.

**Highlights:** Global support team contact, Aircraft registration for AOG events, Online and offline capabilities, CRC, RSO, and service center locations, Direct email and call functions, Personalized contact lists

**Features:** macOS Compatibility

**In-app purchases:** none


### 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

**Features:** iPhone Duo support

**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


## Frequently asked questions

### Is Proximity free?

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

### Is Time Calc free?

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

### Do Proximity or Time Calc have ads?

Neither Proximity nor Time Calc shows ads.

### Which is updated more often, Proximity or Time Calc?

Proximity ships an update every 8 months, and Time Calc monthly. Most recently, Proximity was updated on October 23, 2026 and Time Calc on October 29, 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.*