Comparison

Contactio vs Open Pi

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

Head to head
About

Contactio

Features
Read full description

Clean up your contacts. Keep your data private. Scan your contacts directly on your device to find duplicates and data issues. Everything stays local. No cloud upload. No tracking. What it does On-device contact scanning for duplicates and data problems Smart duplicate detection across name, phone, email, and other fields Review duplicate groups and merge contacts by selecting the best master contact Preview exactly what will be kept before merging and exclude unwanted items Fix common contact issues Missing name Missing first name or last name Missing phone number Missing organization, inferred from email domain Broken or messy names with extra spaces, strange characters, or casing issues Powerful tools Bulk actions to merge or delete multiple contacts in one step Optional backup before merge and Undo via the in-app Merge Archive (vCard restore) Organization standardization to merge and normalize different organization variants Fast search across scan results to find people, companies, phone numbers, or emails Optional filtering using Contacts app groups and lists Privacy first All processing happens on your device No cloud upload No data sharing

About

Open Pi

Manage your Raspberry Pi devices remotely without cloud services. Monitor system health, control Docker, run commands, transfer files, and manage GPIO from a modern, privacy-focused interface.

Highlights
  • Real-time system monitoring
  • SSH terminal access
  • Docker container management
  • GPIO control
  • File manager
  • Wake-on-LAN Helper
  • Remote system actions
Features
Read full description

Direct, local, and private Raspberry Pi management. Open Pi lets you monitor system health, manage Docker containers, and run SSH commands on your Raspberry Pi right from your phone. No cloud servers, accounts, or subscriptions. Built for homelabs, self-hosting, IoT projects, and software development. Key Features • System Health: Real-time CPU, RAM, storage, and temperature metrics • Docker Management: View, start, stop, and restart containers • Terminal: Secure SSH command-line access over local network or VPN • File Manager: Direct file uploads and downloads • GPIO Control: Monitor and toggle pins • Auto-Discovery: Detect devices automatically on local networks • System Actions: Wake-on-LAN helper, remote reboot, and alerts Privacy • Native SSH connection with no background agents • No accounts, tracking, or telemetry • Local-first architecture with zero subscriptions • All data stays on your local network

Screenshots

Contactio3 screens
Open Pi4 screens

Verdict

The call

The clearest difference is in-app purchases: Contactio at none against Open Pi's 2. Open Pi's advantage is iOS requirement (18.0 vs 26.2). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Open Pi sells 2 one-off in-app purchases. Contactio asks for nothing beyond the download.

Scorecard2 real differences · 8 level
Contactio versus Open Pi: the parameters behind the verdict, then further details
ParameterContactioOpen Pi
PriceFreeFree
Rating—4.4 (8 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—8 — better
Update frequency—Weekly
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Paid
DevicesiPhoneiPhone, iPad — better
Requires iOS26.218.0 — better
Further details — not scored
Size2 MB43 MB
Age rating4+4+
DeveloperGokhan YilmazArtem Svitelskyi

In-app purchases

None

Contactio

No in-app purchases

2 purchases

Open Pi

One-time2
  • Single (Lifetime)$5.99
  • Family (Lifetime)$12.99

Questions

Is Contactio free?
Contactio is free to download, with no in-app purchases.
Is Open Pi free?
Open Pi is free to download, with in-app purchases available.
Do Contactio or Open Pi have ads?
Neither Contactio nor Open Pi shows ads.

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