---
description: Side-by-side comparison of OOTI vs Abby. Learn more about each of the product's price, features, and see the most comprehensive reviews for UK business users.
image: https://gdm-localsites-assets-gfprod.imgix.net/images/capterra/og_logo-e5a8c001ed0bd1bb922639230fcea71a.png?auto=format%2Cenhance%2Ccompress
title: OOTI vs Abby Comparison - Capterra UK 2026
---

Breadcrumb: [Home](/) > [Architecture Design Software](/directory/20002/architecture/software) > [OOTI \<span\>vs\</span\> Abby](https://www.capterra.co.uk/compare/177143/1036470/ooti/vs/abby)

# Compare OOTI vs Abby

Canonical: https://www.capterra.co.uk/compare/177143/1036470/ooti/vs/abby

> Detailed comparison between OOTI and Abby. Check ratings, reviews, pricing, and features to make the best decision for your business.

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## At a Glance

| Metric | OOTI | Abby |
| **Overall rating** | 4.2/5 | 4.7/5 |
| **Total Reviews** | 32 | 604 |
| **Starting Price** | €39.00 | €0.01 |
| **Free Trial** | Yes | Yes |
| **Free Version** | No | Yes |
| **Deployment** | Cloud, SaaS, Web-based, Android (Mobile), iPhone (Mobile) | Cloud, SaaS, Web-based, Mac (Desktop), Windows (Desktop), Linux (Desktop), Windows (On-Premise), Linux (On-Premise), Chromebook (Desktop), Android (Mobile), iPhone (Mobile), iPad (Mobile) |
| **Support** | Email/Help Desk, FAQs/Forum, Knowledge Base, Phone Support, Chat | Email/Help Desk, FAQs/Forum, Knowledge Base, 24/7 (Live rep), Chat |
| **Training** | In Person, Live Online, Webinars, Documentation, Videos | Live Online, Webinars, Documentation, Videos |

## Best for

### OOTI

THE MANAGEMENT SOFTWARE FOR ARCHITECTS \!&#10;Be creative, OOTI takes care of the rest.

### Abby

Self-employed

## Key features

### OOTI

- API
- Activity Tracking
- Billing & Invoicing
- Contact Database
- Customisable Templates
- Document Management
- Employee Management
- Hourly Billing
- Invoice History
- Invoice Management
- Mobile Access
- Multi-Currency
- Online Invoicing
- Project Billing
- Project Management
- Real-Time Data
- Reminders
- Reporting & Statistics
- Status Tracking
- Tax Calculation

### Abby

- API
- Activity Tracking
- Billing & Invoicing
- Contact Database
- Customisable Templates
- Document Management
- Employee Management
- Hourly Billing
- Invoice History
- Invoice Management
- Mobile Access
- Multi-Currency
- Online Invoicing
- Project Billing
- Project Management
- Real-Time Data
- Reminders
- Reporting & Statistics
- Status Tracking
- Tax Calculation

## Links

- [View OOTI Profile](https://www.capterra.co.uk/software/177143/ooti)
- [View Abby Profile](https://www.capterra.co.uk/software/1036470/abby)
- [View Original Comparison](https://www.capterra.co.uk/compare/177143/1036470/ooti/vs/abby)

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