121 vs NIA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
121
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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.
NIA
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The National Insulation Association® (NIA) is a not-for-profit trade association representing merit (open shop) and union contractors, distributors, laminators, fabricators, and manufacturers that provide thermal insulation, insulation accessories, and components to the commercial, mechanical, and industrial markets throughout the nation. Since 1953, the northern Virginia–based association has been the voice of the insulation industry and is dedicated to keeping the commercial and industrial insulation industry up-to-date on the latest industry trends and technologies. NIA's Mobile Meeting App features the full event schedule, speaker information, sponsors, social media details, and much more!
Screenshots
Verdict
The clearest difference is update cadence: 121 at fortnightly against NIA's every 6 months. NIA's advantage is iOS requirement (14.1 vs 16.0). 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.
121 ships an update fortnightly, NIA every 6 months. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.
| Parameter | 121 | NIA |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 14.1 — better |
| Further details — not scored | ||
| Size | 254 MB | 72 MB |
| Age rating | 4+ | 17+ |
| Developer | Jones Lang LaSalle Incorporated | National Insulation Association |
In-app purchases
121
No in-app purchases
NIA
No in-app purchases









