Percentage Calculator & Math vs WaveTalk
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Percentage Calculator & Math
Easily calculate various percentages, including discounts, taxes, tips, and interest. It offers multiple calculation types, from finding a percentage of a number to determining percentage change and margin. All calculations are performed privately on your device and the app supports 50 languages.
- Percentage of a Number
- Percentage Change
- Discount Calculation
- Tax and Tip Addition
- Margin & Markup
- Interest Calculation
- Chained Percentage Changes
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Every percentage, made simple Percentage of a Number: Find how much a percentage of a number is. Example: 15% of 200 is 30. What Percentage: Find what percentage one number is of another. Example: 30 is 15% of 200. Percentage Change: Find the percentage increase or decrease between two values. Example: 200 to 250 is a 25% increase. Discount: Find the final price after a discount. Example: 15% off 200 is 170. Tax: Add tax to an amount. Example: 18% tax on 200 makes 236. Tip: Add a tip and split the bill. Example: 15% tip on 200 makes 230. Reverse %: Find the original number from a part and its percentage. Example: 50 is 20% of 250. Point Difference: Compare two percentages. Example: 20% to 25% is 5 points, a 25% relative change. Chained %: Apply two changes in a row. Example: +10% then −20% on 100 ends at 88, a net −12%. Margin & Markup: Profit shown as margin (of sale) and markup (of cost). Example: cost 80, sale 100 gives 20% margin, 25% markup. Interest: Compare simple and compound interest. Rate is annual, applied over the number of years. Every calculation runs privately on your device. Available in 50 languages.
WaveTalk
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WaveTalk é o walkie-talkie digital para o seu time. Pressione e fale — sua voz chega instantaneamente para todos no canal. Simples assim. • Push-to-talk em tempo real • Canais de voz organizados por equipe • Histórico de transmissões com reprodução • Funciona em segundo plano • Sem cadastro, sem senha Ideal para equipes de trabalho, eventos, grupos de amigos ou qualquer situação onde a comunicação precisa ser rápida e direta. Fale agora. Seja ouvido.
Screenshots
Verdict
The clearest difference is ads: WaveTalk at none against Percentage Calculator & Math's shown. WaveTalk also leads on iOS requirement (15.1 vs 17.6). On price, update cadence, 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.
Percentage Calculator & Math ships an update every 2 weeks, WaveTalk weekly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | Percentage Calculator & Math | WaveTalk |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 weeks | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 7 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Alper Sumer Guc | jose junior |
In-app purchases
Percentage Calculator & Math
No in-app purchases
WaveTalk
No in-app purchases
Questions
Is Percentage Calculator & Math free?
Is WaveTalk free?
Do Percentage Calculator & Math or WaveTalk have ads?
Which is updated more often, Percentage Calculator & Math or WaveTalk?
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