Time vs SubStandard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Time
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.
- Time addition
- Time subtraction
- Automatic minute interpretation
- Personal flight log focus
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A simple time calculator (hours + minutes) designed specifically for personal flight log calculations — it only performs addition and subtraction. The last two digits of any entered number are automatically treated as minutes.
SubStandard
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.
- Cold temperature corrections
- Altitude set storage
- Quick access to saved altitudes
- Easy to use interface
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SubStandard is an easy to use app to apply cold temperature corrections in aviation. Moreover, it lets you store sets of altitudes for quick access later on.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Time | SubStandard |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 2 | 2 |
| Update frequency | Every 6 days — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Kazuyuki Saito | iService Ottner Röck |
Customer experience
Time
SubStandard
In-app purchases
Time
No in-app purchases
SubStandard
No in-app purchases
