Shotgun Timer vs Power Factor Estimator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Shotgun Timer
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Shotgun Timer is a simple application to control the preparation time limit of the shooters.
Power Factor Estimator
This app calculates power factor, average velocity, and velocity spread from projectile weight and velocity data. It allows users to input velocities, view minimum and maximum values, and manage data through add, remove, clear, and reset functions.
- Calculate Power Factor
- Calculate Average Velocity
- Calculate Velocity Spread
- View Min/Max Velocity
- Add Velocity Data
- Remove Velocity Data
- Clear Velocity Table
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Power Factor Calculator will calculate: - Power Factor, - Average Velocity, - Velocity Spread. Also would be shown the minimum and maximum velocity from the Velocity Table data. To calculate the Power Factor you have to enter the Weight of projectile in grains. Then add the velocities(in ft/s) to the table by specifying the velocity, and pressing the "Add" button. Thereafter all velocities was added to the table, press a "Calculate" button to perform the calculations. You can remove the particular value of velocity by swiping left. Or clear all Velocity Table by pressing the "Clear" button. To clean up all the data, press the "Reset" button.
Screenshots
Verdict
The clearest difference is update cadence: Power Factor Estimator at every 3 days against Shotgun Timer's every 3 months. Shotgun Timer's advantage is iOS requirement (12.0 vs 15.4). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Shotgun Timer ships an update every 3 months, Power Factor Estimator every 3 days. The most recent releases landed on October 10, 2026 and October 3, 2026 respectively.
| Parameter | Shotgun Timer | Power Factor Estimator |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.4 |
| Further details — not scored | ||
| Size | 30 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Michal Gabryelski | Oleg Udovenko |
In-app purchases
Shotgun Timer
No in-app purchases
Power Factor Estimator
No in-app purchases
Questions
Is Shotgun Timer free?
Is Power Factor Estimator free?
Do Shotgun Timer or Power Factor Estimator have ads?
Which is updated more often, Shotgun Timer or Power Factor Estimator?
Other comparisons
