Comparison

Only One vs Contatto

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

Head to head
About

Only One

Control your home remotely with this app. Manage lights, gates, and doors from your smartphone, receiving real-time status updates and notifications. Automate your property for enhanced security and convenience.

Highlights
  • Remote control of gates and doors
  • Control lights remotely
  • Real-time command and status notifications
  • Add multiple users to your account
  • Monitor equipment status from anywhere
  • Automate property features
Features
Read full description

Only One: Tenha o controle em suas mãos. Sabe aquela sensação de deitar na sua cama e lembrar que deixou a luz da sala acessa? Ou aquela insegurança antes de comprar um imóvel na praia por medo de ser assaltado quando você não estiver lá? Ou então, lembrar que esqueceu o controle de seu portão bem na hora de entrar em casa, pior, ver a que a bateria de seu controle acabou. Pois é, todos esses problemas e outros chegaram ao fim!! Acender as luzes por intermédio de interruptores, abrir e fechar sua porta de enrolar manualmente por esforço físico ou abrir seu portão automático estando perto do motor são práticas ultrapassadas. Com o nosso app, você tem total controle da sua casa na ponta do dedo. Com o app da Only One você pode abrir ou fechar seu portão e porta e apagar ou acender suas lâmpadas, recebendo todas as notificações em tempo real dos comandos e dos status e ainda, add quantas pessoas quiser a sua conta. Não perca tempo! Tenha segurança da residência em que mora e da casa distante na palma da sua mão, controle os horários da abertura do seu estabelecimento e veja qual é o status  de cada equipamento em qualquer lugar do mundo. Automatize seu imóvel, adquira agora mesmo seu módulo de qualquer lugar do Brasil por um preço totalmente acessível! Mande um e-mail para contato@onlyone.ind.br e encontre o representante mais próximo de você. Faça suas atividades de maneira inteligente.

About

Contatto

Control home security systems, gates, and electric fences remotely. Receive instant notifications and track all activity for a smarter, more secure environment.

Highlights
  • Remote gate control
  • Alarm system management
  • Electric fence monitoring
  • Instant notifications
  • Activity tracking
  • Smart home integration
Features
Read full description

PPA Conttato PRO Take comfort and security to the next level! Control gates, alarms, and electric fences directly from your phone, receive instant notifications, and track all activity. Connect your home and enjoy the experience of a smart and practical environment. Download now!

Screenshots

Only One4 screens
Contatto4 screens

Verdict

The call

The clearest difference is rating: Contatto at 4.8 against Only One's 1.0. Contatto also leads on ratings volume (263 vs 1). Only One's advantage is iOS requirement (8.0 vs 15.1). On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Contatto holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: Contatto has 263 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Only One ships an update every 2 months, Contatto every 6 weeks. Both last shipped on October 24, 2026.

Scorecard3 real differences · 7 level
Only One versus Contatto: the parameters behind the verdict, then further details
ParameterOnly OneContatto
PriceFreeFree
Rating1.0 (1 ratings)4.8 (263 ratings) — better
Positive reviews—53.4% of reviews
Number of ratings1263 — better
Update frequencyEvery 2 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS8.0 — better15.1
Further details — not scored
Size12 MB95 MB
Age rating4+4+
DeveloperAppFactory Solucoes de Informatica LTDAMotoppar Industria e Comercio de Automatizadores Ltda

Customer experience

Only One

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

Contatto

All ratings258 ratings
Positive96.1%
Neutral1.2%
Negative2.7%
Written reviews88 reviews
Positive53.4%
Neutral9.1%
Negative37.5%

In-app purchases

None

Only One

No in-app purchases

None

Contatto

No in-app purchases

Questions

Is Only One free?
Only One is free to download, with no in-app purchases.
Is Contatto free?
Contatto is free to download, with no in-app purchases.
Which has better reviews, Only One or Contatto?
Contatto is rated higher. Only One averages 1.0 out of 5 from 1 ratings, while Contatto averages 4.8 from 263 ratings.
Do Only One or Contatto have ads?
Neither Only One nor Contatto shows ads.
Which is updated more often, Only One or Contatto?
Only One ships an update every 2 months, and Contatto every 6 weeks. Most recently, Only One was updated on October 24, 2026 and Contatto on October 24, 2026.

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