# Pilot Time vs Interpolation 1.4

The clearest difference is rating: Pilot Time at 4.5 against Interpolation 1.4's 3.5. Pilot Time also leads on review sentiment (73% vs 33%) and ratings volume (19 vs 6). Interpolation 1.4's advantage is update cadence (every 3 weeks vs every 6 months) and iOS requirement (9.0 vs 13.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Pilot Time holds the better App Store score, 4.5 against 3.5. Both are backed by a comparable volume of ratings — 19 and 6 respectively. Written reviews point the same way: 73% of Pilot Time's written reviews are positive against 33% of Interpolation 1.4's.

Pilot Time ships an update every 6 months, Interpolation 1.4 every 3 weeks. The most recent releases landed on October 4, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Pilot Time | Interpolation 1.4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (19 ratings)](https://appshunter.io/ios/app/pilot-time/id360138989/reviews)** | [3.5 (6 ratings)](https://appshunter.io/ios/app/interpolation-14/id557950545/reviews) |
| Number of ratings | **19** | 6 |
| Positive reviews | **73.2% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 6 MB | 1 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WillowRoot Apps, LLC.](https://appshunter.io/developer/996072337) | [ZOFTERM](https://appshunter.io/developer/557950548) |

## What reviewers say

### Pilot Time

[App page](https://appshunter.io/ios/app/pilot-time/id360138989)

Instantly view local, military, and UTC time with a tap. Developed by pilots, this app eliminates mental time conversions by displaying current and past/future times across various time zones. Easily select continents and cities for quick comparisons.

**Highlights:** View local, military, and UTC time, Compare current location time to UTC, Display frequently used time zones, Convert past, current, and future times, Easy continent and city time zone selection

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and intuitive user interface
- 🎯 Accurate time zone conversions
- 💰 Free application with no cost
- ⚡ Quick and easy access to Zulu time
- 📱 iOS widget functionality

**What reviewers complain about**

- 🐛 Frequent crashes on app launch
- 📺 Intrusive advertisement pop-ups
- 🔧 Widget loading failures
- 📋 Limited city/location database
- 🎯 Defaults to Los Angeles time zone

**Reported bugs**

- App crashes upon opening after updates
- Widget displays 'UNABLE TO LOAD' error
- App crashes when changing time zones
- Incorrect time zone offsets for some locations (e.g., Sydney)
- Time doesn't update when app is reopened

**Requested features**

- Favorites or saved locations tab
- Flight time and air time calculator
- Julian date display for each time zone
- GPS location detection for automatic time zone
- Multiple simultaneous time zone display (3-4 zones)


### Interpolation 1.4

[App page](https://appshunter.io/ios/app/interpolation-14/id557950545)

This utility calculates linear or quadratic interpolations. It provides a straightforward tool for mathematical estimations based on given data points.

**Highlights:** Linear interpolation calculation, Quadratic interpolation calculation, Mathematical estimation tool

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pilot Time free?

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

### Is Interpolation 1.4 free?

Interpolation 1.4 is free to download, with no in-app purchases.

### Which has better reviews, Pilot Time or Interpolation 1.4?

Pilot Time is rated higher. Pilot Time averages 4.5 out of 5 from 19 ratings, while Interpolation 1.4 averages 3.5 from 6 ratings.

### Do Pilot Time or Interpolation 1.4 have ads?

Neither Pilot Time nor Interpolation 1.4 shows ads.

### Which is updated more often, Pilot Time or Interpolation 1.4?

Pilot Time ships an update every 6 months, and Interpolation 1.4 every 3 weeks. Most recently, Pilot Time was updated on October 4, 2026 and Interpolation 1.4 on September 17, 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.*