Comparison

Nexus®Pro vs 121

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

Head to head
About

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.

Highlights
  • 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
Features
Read 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…

About

121

Features
Read 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

Nexus®Pro4 screens
1214 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Nexus®Pro ships an update every 6 weeks, 121 fortnightly. The most recent releases landed on September 8, 2026 and September 17, 2026 respectively.

Scorecard1 real difference · 7 level
Nexus®Pro versus 121: the parameters behind the verdict, then further details
ParameterNexus®Pro121
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 6 weeksFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.616.0 — better
Further details — not scored
Size60 MB254 MB
Age rating4+4+
DeveloperABB Information Systems AGJones Lang LaSalle Incorporated

In-app purchases

None

Nexus®Pro

No in-app purchases

None

121

No in-app purchases

Questions

Is Nexus®Pro free?
Nexus®Pro is free to download, with no in-app purchases.
Is 121 free?
121 is free to download, with no in-app purchases.
Do Nexus®Pro or 121 have ads?
Neither Nexus®Pro nor 121 shows ads.
Which is updated more often, Nexus®Pro or 121?
Nexus®Pro ships an update every 6 weeks, and 121 fortnightly. Most recently, Nexus®Pro was updated on September 8, 2026 and 121 on September 17, 2026.

Other comparisons