EFW Tip Calculator vs Omni Relprev
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EFW Tip Calculator
Effortlessly calculate restaurant tips and grand totals with minimal taps. This utility app streamlines bill splitting by remembering your preferred rates, allowing for quick and accurate calculations.
- Quick tip calculation
- Grand total calculation
- Minimal tap interface
- Remembers preferred rates
- Streamlines bill splitting
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This iPhone app calculates the tip and grand total from information in your restaurant bill. It minimizes the number of taps to get a result. You are in a restaurant and you have been presented with the bill. It is time to figure out the tip and you would rather not have to "do the math". Your phone comes with a calculator app so you could do the following. Enter the subtotal excluding tax from the bill, multiply by your preferred tip rate, and add the result to the total amount from the bill. Let’s count taps. You would have to enter three numbers each with decimal points and three operators (*, +, =) to get the desired result. Howerver, if the tax rate and your preferred tip rate are known from previous bills, then only one number without the decimal point needs to be entered and one additional tap displays all the information you need to pay the bill. That is the essense of this app. Enter the digits for one number then get the result.
Omni Relprev
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0 OMNI EOS é um programa estratégico desenvolvido pela OMNI para consolidação da Cultura de Segurança. Seu conceito é que todos os olhos da empresa estejam focados na segurança, ou seja, todos somos responsáveis e temos o dever de reconhecer que este valor é prioridade em nossas ações.
Screenshots
Verdict
The clearest difference is price: Omni Relprev at Free against EFW Tip Calculator's $0.99. Omni Relprev also leads on update cadence (every 3 months vs every 23 months) and iOS requirement (9.0 vs 16.6). EFW Tip Calculator's advantage is chart position (#183 vs unranked). 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
Omni Relprev is free to download; EFW Tip Calculator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
EFW Tip Calculator ships an update every 23 months, Omni Relprev every 3 months. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.
| Parameter | EFW Tip Calculator | Omni Relprev |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 23 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Best chart rank | #183 — better | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.6 | 9.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | James Phillips | VILAAPPS DESENVOLVIMENTO DE SISTEMAS LTDA |
In-app purchases
EFW Tip Calculator
No in-app purchases
Omni Relprev
No in-app purchases





