Nexus®Pro vs 121
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Nexus®Pro
Manage and control emergency lighting installations remotely. This app allows for setup, maintenance, and activity logging in the cloud, ensuring system safety and transparency. It is designed for organizations of any size, supporting multiple users and property management.
- Remote setup and control
- Cloud-based activity logging
- Cyber security via ABB Ability™ platform
- Transparent system inspection
- Proactive maintenance
- Multi-user organization support
- Property management tool
Read full descriptionHide full description
Discover ABB's smart emergency lighting solution. Nexus®Pro enables you to set up, maintain and control the entire emergency lighting installation, whilst keeping a record of all activity safely in the cloud. Utilising the ABB Ability™ platform to give cyber security and peace of mind on your installation, Nexus®Pro offers you a transparent and proactive way to inspect and maintain safety systems using only your mobile device.Multiple users can be connected into the organisation and the property management tool enables locations and buildings to be set up in any size of organisation. This application includes third-party open-source software: https://search.abb.com/library/Download.aspx?DocumentID=9AKK108472A4403&LanguageCode=en&DocumentPar…
121
Read full descriptionHide full description
121 – 131 is the property operations and experience platform for 121 & 131 Steuart Street for daily activities at the property. With the app, community members and property staff can manage the following tasks in the palm of their hand: •Visitor Management •Access Control •Service Requests / Work Order Management •Rise Kiosk •Curated Vendors and Exclusive Deals •Community Newsfeed, Groups, Events, Polls & Building Updates •Marketplace •Direct & Group Messaging •Document Vault •And much more! Brought to you by Rise Buildings and JLL.
Screenshots
Verdict
The clearest difference is update cadence: 121 at fortnightly against Nexus®Pro's every 6 weeks. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Nexus®Pro ships an update every 6 weeks, 121 fortnightly. The most recent releases landed on September 8, 2026 and September 17, 2026 respectively.
| Parameter | Nexus®Pro | 121 |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 6 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 60 MB | 254 MB |
| Age rating | 4+ | 4+ |
| Developer | ABB Information Systems AG | Jones Lang LaSalle Incorporated |
In-app purchases
Nexus®Pro
No in-app purchases
121
No in-app purchases







