Watt vs Propagation Tools
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Watt
Easily calculate wattage using three different formulas. Input values and get instant results, with options to copy or email your calculations. Features an intuitive design for a smooth and reliable user experience.
- Calculate watt from 3 formulas
- Copy and paste results
- Send results via email
- Formulas always visible
- Intuitive graphics
- Ease of use
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Finally a way much faster to calculate watt from 3 different formulas. Just open Watt, and choose the most suitable formula between the 3 and type the values that compose it. This is all. The App will calculate the result immediately. You can copy the solution or send it by email. With an intuitive design this application provides a pleasant experience and reliability in its use. [ Features ] • Calculate watt from 3 different formula • Copy and paste the result • Send the result by email • Formulas always visible to never forget • Graphics intuitive • Ease of use [ Support ] If you like the app, don’t forget to leave us a review on the App Store. For suggestions please contact us at info@lionsapp.com, or visit lionsapp.com.
Propagation Tools
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Propagation tools to include Free Space Loss, Link Margin, UHF LOS, EIRP, Fade Margin and graphs
Screenshots
Verdict
The clearest difference is update cadence: Propagation Tools at every 9 months against Watt's every 18 months. Propagation Tools also leads on iOS requirement (17.0 vs 26.0). 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
Watt costs $0.99 and Propagation Tools $0.29 up front. Neither carries in-app purchases, so what you see is what you pay.
Watt ships an update every 18 months, Propagation Tools every 9 months. The most recent releases landed on September 21, 2026 and July 16, 2026 respectively.
| Parameter | Watt | Propagation Tools |
|---|---|---|
| Price | $0.99 | $0.29 — better |
| Rating | 4.7 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 18 months | Every 9 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | LionsApp di Nallbati Elton | Jeff Curtis |
In-app purchases
Watt
No in-app purchases
Propagation Tools
No in-app purchases
Questions
Is Watt free?
Is Propagation Tools free?
Do Watt or Propagation Tools have ads?
Which is updated more often, Watt or Propagation Tools?
Other comparisons
