Rate Alert vs Optimal Blue
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Rate Alert
This app provides real-time mortgage-backed security information and customizable notifications to help users anticipate market changes. It aims to give users a significant advantage in saving deals by alerting them to pricing shifts and breaking news before they occur.
- Real-time MBS information
- Customizable deal-saving notifications
- Advance pricing change alerts
- Live market volatility meter
- Daily lock advice and commentary
- Mobile home page widget
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The only app designed to Save Deals! Teno3magnet's RateAlert app delivers the fastest, real-time Mortgage Backed Security (MBS) information with the flexibility to fully customize the notifications to systematically beat your lock desk. Users can expect to beat pricing changes from 20 – 45 minutes. RateAlert App Features: Live notifications sent directly to your phone • Live improvement and worsening notifications 20-45 minutes ahead of your lock desk. • Live breaking news notifications before market movements. • Set lock desk open time and notifications sensitivity to consistently save deals. Live Market Data: • Live MBS Market Volatility Meter • Live MBS Weekly Change Meter • Live re-price indicator engineered to beat your lock desk • Daily lock advice and market commentary Live mobile home page widget: See the market every time you grab your phone Fun notification sounds (careful, some of them are a little crazy) Know pricing trends without picking up your phone The RateAlert app is just one of many features available to teno3magnet members. We'll show you the rest after you get the app!
Optimal Blue
Access a comprehensive mortgage pricing and product engine on your mobile device. Track market indices, receive real-time updates, and generate instant, accurate loan quotes. Ideal for mortgage professionals needing on-the-go access to pricing data and scenario analysis.
- Mortgage product, pricing, and eligibility engine
- Track mortgage market indices (OBMMI™)
- Receive push notifications for updates
- Price scenarios and save favorites
- Automatic scenario refresh
- Access full pricing inputs and custom fields
- View eligible and ineligible products with reasons
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Access the industry’s most widely used product, pricing and eligibility engine anywhere! Optimal Blue PPE (OB) Mobile provides key functionality to support loan officers and other mortgage industry professionals on-the-go. The app allows you to track the Optimal Blue Mortgage Market Indices (OBMMI™) and receive push notifications for updates. OBMMI™ provides the most comprehensive, accurate, timely, and interactive analysis of pricing ever conducted in the mortgage industry. Calculated from actual locked rates with consumers across 42% of all mortgage transactions nationwide, OBMMI includes multiple mortgage pricing indices developed around the most popular mortgage products. For Optimal Blue customers, you can also log in to price scenarios and save favorites to your dashboard for quick access. Scenarios can be automatically refreshed with a single tap, allowing you to easily see the best product, rate, price and more. This capability helps you understand how interest rates are moving on a given day, directly from your mobile device – no paper rate sheet required! These easily accessible scenarios can assist in conversations with prospective borrowers before an application is taken. With the app, Optimal Blue customers can access the full array of pricing inputs you’re used to seeing on the web version of the Optimal Blue PPE, including any custom fields. This allows for an instant, accurate quote. Additionally, search results include the full granularity you’re used to accessing on the web. All eligible products and rates are displayed, including any adjustments, notes and advisories. Ineligible products are displayed along with an ineligibility reason.
Screenshots
Verdict
The clearest difference is review sentiment: Optimal Blue at 80% against Rate Alert's 17%. Optimal Blue also leads on rating (4.9 vs 3.2) and update cadence (monthly vs every 9 months). Rate Alert's advantage is iOS requirement (13.0 vs 18.6). On price, ads, in-app purchases and monetization model 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.
Optimal Blue holds the better App Store score, 4.9 against 3.2. That said, the two scores are not equally well evidenced: Optimal Blue has 208 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 17% of Rate Alert's written reviews are positive against 80% of Optimal Blue's.
Rate Alert ships an update every 9 months, Optimal Blue monthly. The most recent releases landed on October 5, 2026 and October 20, 2026 respectively.
| Parameter | Rate Alert | Optimal Blue |
|---|---|---|
| Price | Free | Free |
| Rating | 3.2 (11 ratings) | 4.9 (208 ratings) — better |
| Positive reviews | 16.7% of reviews | 80.0% of reviews — better |
| Number of ratings | 11 | 208 — better |
| Update frequency | Every 9 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 13.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 18 MB | 37 MB |
| Age rating | 17+ | 4+ |
| Developer | THINK BIG WORK SMALL, INC. | Optimal Blue LLC |
Customer experience
Rate Alert
Optimal Blue
In-app purchases
Rate Alert
No in-app purchases
Optimal Blue
No in-app purchases
Questions
Is Rate Alert free?
Is Optimal Blue free?
Which has better reviews, Rate Alert or Optimal Blue?
Do Rate Alert or Optimal Blue have ads?
Which is updated more often, Rate Alert or Optimal Blue?
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