# Time vs SubStandard

The clearest difference is review sentiment: Time at 100% against SubStandard's 0%. Time also leads on update cadence (every 6 days vs every 7 months). SubStandard's advantage is rating (5.0 vs 3.0) and iOS requirement (12.0 vs 17.6). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

SubStandard holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews complicate that: 100% of Time's written reviews are positive against 0% of SubStandard's, so the app with the better star average is not the one people write more warmly about.

Time ships an update every 6 days, SubStandard every 7 months. Both last shipped on October 6, 2026.

## The numbers

| Metric | Time | SubStandard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/time-calc/id699524076/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/substandard/id1513656520/reviews)** |
| Number of ratings | 2 | 2 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 7 months |
| Monetization | Free | Free |
| Size | 1 MB | 33 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kazuyuki Saito](https://appshunter.io/developer/699524079) | [iService Ottner Röck](https://appshunter.io/developer/1413717324) |

## What reviewers say

### Time

[App page](https://appshunter.io/ios/app/time-calc/id699524076)

This app simplifies time calculations for personal flight logs. It exclusively handles addition and subtraction of hours and minutes, automatically interpreting the last two digits of any input as minutes.

**Highlights:** Time addition, Time subtraction, Automatic minute interpretation, Personal flight log focus

**Features:** macOS Compatibility

**In-app purchases:** none


### SubStandard

[App page](https://appshunter.io/ios/app/substandard/id1513656520)

This aviation utility app simplifies applying cold temperature corrections for altitudes. It allows users to save frequently used altitude sets for rapid retrieval, enhancing efficiency in flight planning.

**Highlights:** Cold temperature corrections, Altitude set storage, Quick access to saved altitudes, Easy to use interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Time free?

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

### Is SubStandard free?

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

### Which has better reviews, Time or SubStandard?

SubStandard is rated higher. Time averages 3.0 out of 5 from 2 ratings, while SubStandard averages 5.0 from 2 ratings.

### Do Time or SubStandard have ads?

Neither Time nor SubStandard shows ads.

### Which is updated more often, Time or SubStandard?

Time ships an update every 6 days, and SubStandard every 7 months. Most recently, Time was updated on October 6, 2026 and SubStandard on October 6, 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.*