Comparison

GenieCalc vs OBD Drive

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

GenieCalc

Features
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GenieCalc puts six everyday tools into one clean, dark-themed app. No account, no subscription — just open it and calculate. Scientific calculator Trigonometric, hyperbolic and inverse functions, logarithms, powers and roots, factorials, permutations and combinations, GCD and LCM. A running history lets you tap any earlier line to reuse it, and a D-pad moves the cursor inside long expressions. Function grapher Plot any expression in x over a range you choose and read the curve directly. Currency converter Live rates for 16 major currencies, plus any currency you add yourself. Added currencies survive a refresh. Humidity tools Convert between relative and absolute humidity, find the dew point, and compute saturation vapour pressure in hPa, kPa and mmHg — using the Magnus approximation. Market indices Track S&P 500, NASDAQ, Dow Jones, KOSPI, Nikkei, futures, gold, oil and crypto, with sparkline charts and a detail view. Unit converter Over 120 units across 11 categories: length, area, mass, volume, time, temperature, current, energy, power, radiation dose and radioactivity. You can define your own units too. 26 languages The interface follows your device language, or you can pin a language in Settings. Numbers are formatted for your region. GenieCalc is free and supported by ads. You can review your ad personalisation choices at any time from Settings.

About

OBD Drive

Features
Read full description

OBDDrive transforma os dados do seu veículo em informações úteis e fáceis de acompanhar. Conecte um adaptador OBD-II Bluetooth compatível ao veículo e acompanhe em tempo real diversos parâmetros disponibilizados pela central eletrônica (ECU). RECURSOS • Conexão com adaptadores OBD-II Bluetooth compatíveis • Monitoramento de dados do veículo em tempo real • Consumo instantâneo de combustível • Consumo médio • Temperatura do líquido de arrefecimento • Tensão do sistema elétrico/bateria, quando disponível • Leitura de códigos de diagnóstico (DTC) • Limpeza de códigos de falha compatíveis • Histórico de consumo • Reinicialização da média de consumo • Calibração de consumo baseada no abastecimento real • Alertas configuráveis de temperatura • Suporte a diferentes veículos e motores CONSUMO MAIS PRÓXIMO DA REALIDADE O OBDDrive permite calibrar os cálculos de consumo utilizando dados reais de abastecimento. Informe a distância percorrida e a quantidade abastecida para ajustar o cálculo ao comportamento do seu veículo. DIAGNÓSTICO OBD-II Consulte códigos de diagnóstico disponibilizados pelo veículo e acompanhe parâmetros importantes diretamente pelo iPhone. MONITORAMENTO DE TEMPERATURA Acompanhe a temperatura do líquido de arrefecimento e configure um limite para receber alertas quando a temperatura atingir níveis definidos por você. COMPATIBILIDADE É necessário possuir um adaptador OBD-II Bluetooth compatível. Os dados e recursos disponíveis dependem do veículo, da ECU, do protocolo OBD-II utilizado e do adaptador conectado. Nem todos os veículos disponibilizam todos os parâmetros. IMPORTANTE O OBDDrive é uma ferramenta auxiliar de monitoramento e diagnóstico. As informações apresentadas não substituem inspeção, diagnóstico ou manutenção realizados por um profissional qualificado. Não utilize o aplicativo de maneira que possa causar distração durante a condução. Respeite sempre as leis de trânsito e utilize o veículo com segurança.

Screenshots

GenieCalc4 screens
OBD Drive4 screens

Verdict

The call

The clearest difference is in-app purchases: GenieCalc at none against OBD Drive's 1. OBD Drive's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. OBD Drive sells 1 one-off in-app purchase. GenieCalc asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on November 5, 2026 and October 29, 2026 respectively.

Scorecard2 real differences · 4 level
GenieCalc versus OBD Drive: the parameters behind the verdict, then further details
ParameterGenieCalcOBD Drive
PriceFreeFree
Update frequencyEvery 4 daysEvery 4 days
AdsYesNo — better
In-app purchasesNo — betterYes
DevicesiPhone, iPad — betteriPhone
Requires iOS16.0 — better17.0
Further details — not scored
Size7 MB2 MB
Age rating4+4+
DeveloperKWANGRYEOL LEEClaudio Willrich de souza junior

In-app purchases

None

GenieCalc

No in-app purchases

1 purchases

OBD Drive

One-time1
  • OBDDrive$9.99

Questions

Is GenieCalc free?
GenieCalc is free to download, with no in-app purchases.
Is OBD Drive free?
OBD Drive is free to download, with in-app purchases available.
Do GenieCalc or OBD Drive have ads?
GenieCalc shows ads; OBD Drive does not.
Which is updated more often, GenieCalc or OBD Drive?
GenieCalc ships an update every 4 days, and OBD Drive every 4 days. Most recently, GenieCalc was updated on November 5, 2026 and OBD Drive on October 29, 2026.

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