Watt vs DitDah Decoder
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.
DitDah Decoder
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DitDah Decoder is a professional-grade Morse code communication tool designed for amateur radio operators and CW enthusiasts. Using advanced technology, it decodes Morse code from audio in real-time and lets you send messages back. DECODE MORSE CODE • Real-time audio decoding from your microphone or use an external adapter to receive directly from your radio • Q-code and abbreviation translation • Saves audio recordings of your decoding sessions • Autocorrect button for reprocessing of saved audio files using neural networks SEND MORSE CODE • Type messages and transmit as Morse code audio • Adjustable frequency and speed (WPM) • Repeat send mode for calling CQ • Use an external adapter to transmit directly via your radio • Two people using the app can easily send messages back and forth on the air COMPLETE LOGBOOK • Automatic call sign detection with country lookup • Organized by date and call sign • Tap on any call sign to see stats • QSO tracking and confirmation • Adif export Whether you're a licensed amateur radio operator working CW on the bands or learning Morse code, DitDah Decoder provides the tools you need for two-way Morse communication.
Screenshots
Verdict
The clearest difference is price: Watt at $1.99 against DitDah Decoder's $19.99. DitDah Decoder's advantage is update cadence (monthly vs every 18 months) and iOS requirement (18.4 vs 26.0). On 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 $1.99 and DitDah Decoder $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Watt ships an update every 18 months, DitDah Decoder monthly. The most recent releases landed on October 8, 2026 and October 2, 2026 respectively.
| Parameter | Watt | DitDah Decoder |
|---|---|---|
| Price | $1.99 — better | $19.99 |
| Rating | 4.7 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 18 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 18.4 — better |
| Further details — not scored | ||
| Size | 3 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | LionsApp di Nallbati Elton | Timothy Diehl |
In-app purchases
Watt
No in-app purchases
DitDah Decoder
No in-app purchases









