Time Calculation vs Alertr Australia
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Time Calculation
Easily add and subtract time in hours and minutes without manual rounding. Copy calculation results and review past formulas with a history feature. Includes navigation and deletion tools for formula input.
- Add and subtract hours and minutes
- Automatic minute rounding
- Copy calculation results
- View calculation history
- Formula input navigation
- Delete formula history
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Time Calculation is an application that makes it easy to add and subtract time. With this application you can easily calculate hours: minutes without having to perform troublesome calculations to round up or round down minutes by yourself every 60 minutes. You can copy the calculation result.You can also check the calculated results and the formula history. Please input hours and minutes in the order "hour", ": (colon)", "minute". ■ "Arrow" button You can move the cursor position when entering calculation formula. Please use it when modifying the formula. ■ "DEL" button Delete one letter at the position of the cursor of the calculation formula you are entering. If the cursor is at the back, you can delete the previous character. ■ "AC" button Delete all entered calculation formula and calculation result. ■ "Copy" button When calculation is completed, a square "Copy" button is displayed to the left of the calculation result. By tapping "Copy" button, you can copy the calculation result and paste it as text data to other application. ■ "Clock" button You can see 10 histories of calculation results and calculation formulas. When it reaches more than 10, it will be deleted from the old history. In addition, you can delete the history by tapping "Trash can button" next to each history.
Alertr Australia
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Free fire tracker in NSW Australia, more states coming soon!
Screenshots
Verdict
The clearest difference is price: Alertr Australia at Free against Time Calculation's $1.99. Alertr Australia also leads on update cadence (every 2 days vs every 42 months). On ads, in-app purchases, device support and iOS requirement 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
Alertr Australia is free to download; Time Calculation costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Time Calculation ships an update every 42 months, Alertr Australia every 2 days. The most recent releases landed on November 11, 2026 and November 8, 2026 respectively.
| Parameter | Time Calculation | Alertr Australia |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 2.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 42 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 0 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Kei Suefuji | Vinitha Amaram |
In-app purchases
Time Calculation
No in-app purchases
Alertr Australia
No in-app purchases
Questions
Is Time Calculation free?
Is Alertr Australia free?
Do Time Calculation or Alertr Australia have ads?
Which is updated more often, Time Calculation or Alertr Australia?
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