Attio vs Summa One
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Attio
This CRM platform allows users to manage business relationships and workflows on the go. Access powerful features like real-time note editing, email management, and pipeline tracking directly from your mobile device to stay organized and connected.
- Real-time note creation and editing
- Email and permission management
- Pipeline tracking and list updates
- On-the-go record entry
- Meeting schedule task management
- Instant team update notifications
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Attio is the next-generation of CRM that helps you build, grow and scale your business. Our mobile app is designed so you can access Attio’s powerful platform straight from your mobile device. Features: • Create and edit notes in real-time to stay up-to-date with your team. • Manage emails and permissions to unblock your team. • Track your pipelines and instantly update your lists. • Create record entries so you can grow your network on the go. • Manage notes and tasks around your meeting schedule. • Get instant notifications about team updates.
Summa One
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Summa One is a clean, powerful business hub designed for freelancers and small service businesses who want everything in one place. Manage your daily work with ease — from clients and appointments to quotes, invoices, expenses and reports. Key Features • Client management with notes and history • Smart scheduling with reminders • Create and track invoices and quotes • Expense and mileage tracking • Financial summaries and reporting • Secure cloud sync powered by Firebase Built for Focus Summa One is designed to be fast, clear and distraction-free, helping you stay organised and in control without unnecessary complexity. Pro Subscription Upgrade to Summa One Pro for unlimited access and advanced features. Subscriptions are available monthly or yearly and can be managed at any time in your App Store account. Whether you’re just starting out or growing your business, Summa One brings everything together in one simple, reliable workspace. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Attio at none against Summa One's 2. Summa One's advantage is update cadence (every 3 days vs fortnightly) and iOS requirement (17.6 vs 26.0). 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
Both are free to download. Summa One sells 2 in-app purchases, starting at $4.99 per month. Attio asks for nothing beyond the download.
Attio ships an update fortnightly, Summa One every 3 days. The most recent releases landed on October 24, 2026 and September 26, 2026 respectively.
| Parameter | Attio | Summa One |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (30 ratings) — better | — |
| Positive reviews | 16.7% of reviews | — |
| Number of ratings | 30 — better | — |
| Update frequency | Fortnightly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 26.0 | 17.6 — better |
| Further details — not scored | ||
| Size | 93 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Attio Limited | Gage Dunstan |
In-app purchases
Attio
No in-app purchases
Summa One
- Simple CRM - Monthly$4.991 Month
- Simple CRM - Yearly$39.991 Year









