Time Calculator vs Kept
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Time Calculator
Easily solve time-related calculations. Add or subtract time values, calculate durations between two times or dates, and manage time from a starting point. This intuitive and simple application makes time math straightforward.
- Add or subtract time values
- Add/subtract from a starting time and date
- Calculate time duration between two times
- Calculate time duration between two dates
- Intuitive and easy to use interface
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Use this app to calculate time and date differences. Main features include: • Add or subtract durations in days, hours, minutes, and seconds • Add or subtract time from a starting date and time • Calculate the duration between two times, with optional break deductions • Calculate the duration between two dates and times • View totals in days, hours, minutes, and seconds • Save and share calculation results A simple way to handle everyday time and date calculations. Results are provided for informational purposes only. Please verify important calculations independently. Thank you for using our app. For questions or suggestions, please contact us: phannhatd@gmail.com
Kept
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Kept is a home maintenance tracker for iPhone. Users add one or more properties (a house, flat, car, holiday home) and create recurring maintenance tasks for each — things like boiler services, gutter cleans, MOT, dishwasher filter cleaning. Each task has a category, a repeat interval (monthly through annual, or a custom number of days/months/years), and an optional local reminder. Tasks are automatically sorted into four states: Overdue, Due Soon (within 14 days), On Track, and Never Logged, so users can see at a glance what needs attention. When a job is completed, the user logs it with a date, optional note (contractor name, what was replaced), and optional cost in GBP. This builds a full service history for every task. A small home screen widget shows the single most urgent upcoming task. Everything runs fully offline with no account, no cloud sync, and no third-party services.
Screenshots
Verdict
The clearest difference is in-app purchases: Kept at none against Time Calculator's 1. Time Calculator's advantage is iOS requirement (16.0 vs 18.0). On price, ads and device support 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. Time Calculator sells 1 one-off in-app purchase. Kept asks for nothing beyond the download.
| Parameter | Time Calculator | Kept |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (168 ratings) — better | — |
| Positive reviews | 38.9% of reviews | — |
| Number of ratings | 168 — better | — |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 1 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Phan Nhat Đang | Rueben McBurrows |
In-app purchases
Time Calculator
- Unlock all features$3.99
Kept
No in-app purchases
Questions
Is Time Calculator free?
Is Kept free?
Do Time Calculator or Kept have ads?
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