STOPit Notify vs ArchMM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
STOPit Notify
Instantly alert colleagues and 911 for emergencies or assistance with a single button press. Provides location, situation details, and pre-loaded response plans to accelerate help and improve communication during critical events.
- Instant alert to colleagues and 911
- Location and situation reporting
- Pre-loaded response plans
- Real-time team communication
- Event documentation and reporting
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• How Panic Alert System™ (STOPit Notify) Works STOPit Notify is a simple, intuitive, and turnkey program used by school and workplace staff to instantly alert and request help from colleagues and/or 911 – saving time and lives. • Request Help to Accelerate Response Time When help is needed, whether life or non-life threatening, STOPit Notify lets assigned users instantly request assistance from colleagues and/or 911 with a simple push of a button, significantly improving internal and emergency response time. • Provides Location and Situation Need for a Better Response The emergency or assistance request is instantly and simultaneously sent with the situation, location, and need. These reported facts allow for proper protocol selection and better actioning by responding individuals. • Provides Pre-Loaded Response Plans The system delivers pre-loaded response plans (lockdown, take cover) ensuring all recipients are instantly alerted of the situation and actions they need to take. • Collaborate to Keep Updated and Informed The team communication feature allows for private, real-time collaboration and exchange of information – including sharing media, needed actions, and other critical information. This keeps users updated and maintains transparency around a given situation. • Documentation of Situation Details and Actions Taken 911 STOPit Notify captures and stores each event, actions and communication. This allows you to reference, track, and/or submit a report as part of any mandated compliance, policy, or procedure.
ArchMM
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Architectural scale, without the guesswork. ArchMM is a focused iPhone utility for scenic designers, model makers, architects, students, and anyone moving between real-world dimensions and physical scale models. Choose a conversion direction, enter the measurement you already know, select the drawing scale, and get a result ready to use in your drafting, model-making, or 3D-printing workflow. FEATURES • Convert full-size feet and inches to model millimeters • Reverse model millimeters to full-size feet and inches • Work at 1:1 or use standard architectural scales from 1″ through 1/16″ • Compare converted lengths with common 3D-printer bed dimensions • Copy results with one tap • Keep your selected scale and printer ready for the next calculation • Work offline with no account, advertising, analytics, or tracking ArchMM keeps the calculation close, clear, and out of the way—so you can return to the drawing, model, or printer setup in front of you.
Screenshots
Verdict
The clearest difference is device support: STOPit Notify at 3 against ArchMM's 1. STOPit Notify also leads on iOS requirement (13.0 vs 18.0). On price, update cadence, ads and in-app purchases 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.
STOPit Notify ships an update monthly, ArchMM every 2 weeks. The most recent releases landed on September 29, 2026 and September 23, 2026 respectively.
| Parameter | STOPit Notify | ArchMM |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (68 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 68 — better | — |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 159 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Lightspeed Solutions, LLC | Brandon Davis |
In-app purchases
STOPit Notify
No in-app purchases
ArchMM
No in-app purchases









