Timely vs Refuel Buddy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Timely
Perform arithmetic operations on time spans and numbers with this free utility. Supports addition, subtraction, multiplication, and division, including percentages and modulus. It can also function as a standard calculator.
- Time span arithmetic
- Addition, subtraction, multiplication, division
- Percentage and modulus calculations
- Standard calculator functionality
- Supports decimals and order of operations
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Timely allows you to perform arithmetic operations between time spans and numbers! Addition, subtract, multiplication and division are all supported - no ads and completely free. Timely displays time spans as Hour:Minutes:Seconds with support for decimals and order of operations (PEMDAS/BODMAS), it can also be used as a normal calculator. Some examples of what you can do with Timely. - What pace is required to complete a 12km race in 50 minutes? 50:00 ÷ 12 = 4:10 min/km - Adding up timesheets for work. 07:30:00 + 01:00:00 + 02:25:00 = 10:55:00 Support for percentage and modulus are provided by the '%' key. - Percentage calculation 10:00 + 5% = 10:30 - Modulus calculation 50:00:00 % 24:00:00 = 02:00:00 You can tap on the number display to send me feedback if you encounter issues or have feature requests. Enjoy!
Refuel Buddy
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Refuelling Calculator / Refuel Buddy app is to help tech crew in calculating the fuel distribution & discrepancy of fuel uplift on narrow body aircraft with ( LEFT , RIGHT, CENTER ) three tanks configuration. The app included two different display formats to choose from and Smart features will calculate & adjust automatically on center tank figures on full wing tanks condition.
Screenshots
Verdict
The clearest difference is price: Timely at Free against Refuel Buddy's $1.99. Timely also leads on update cadence (monthly vs every 22 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
Timely is free to download; Refuel Buddy costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Timely ships an update monthly, Refuel Buddy every 22 months. The most recent releases landed on October 25, 2026 and October 17, 2026 respectively.
| Parameter | Timely | Refuel Buddy |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 2.5 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Monthly — better | Every 22 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 40 MB | 6 MB |
| Age rating | 4+ | 17+ |
| Developer | Daniel Gatto | htin kyaw |
In-app purchases
Timely
No in-app purchases
Refuel Buddy
No in-app purchases
