# Deflection Pro vs Upstream

The clearest difference is price: Upstream at Free against Deflection Pro's $19.99. Upstream also leads on update cadence (every 2 weeks vs every 5 weeks). Deflection Pro's advantage is rating (4.7 vs 3.7) and review sentiment (69% vs 50%). On ads, in-app purchases and iOS requirement there is nothing between them.

Upstream is free to download; Deflection Pro costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Deflection Pro holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: Deflection Pro has 16 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 69% of Deflection Pro's written reviews are positive against 50% of Upstream's.

Deflection Pro ships an update every 5 weeks, Upstream every 2 weeks. The most recent releases landed on September 17, 2026 and August 20, 2026 respectively.

## The numbers

| Metric | Deflection Pro | Upstream |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | **[4.7 (16 ratings)](https://appshunter.io/ios/app/deflection-pro/id1217160203/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/upstream-email/id6751403722/reviews) |
| Number of ratings | **16** | 3 |
| Positive reviews | **69.2% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Paid | **Free** |
| Size | 163 MB | 87 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Blue Ketchep](https://appshunter.io/developer/1131834248) | [Upstream Labs](https://appshunter.io/developer/1834893204) |

## What reviewers say

### Deflection Pro

[App page](https://appshunter.io/ios/app/deflection-pro/id1217160203)

This advanced structural analysis calculator assists engineers with beam, truss, and frame design. It generates load combinations based on American and European standards and performs detailed beam column capacity checks. Results are presented intuitively, with options to export to PDF and save files.

**Highlights:** Beam, truss, and frame analysis, Load combination generation (US & EU standards), Beam column capacity checks (flexure, shear, tension, compression), Detailed design checks for various buckling types, PDF export, Save to external file

**Features:** Vision Pro support

**In-app purchases:** none


### Upstream

[App page](https://appshunter.io/ios/app/upstream-email/id6751403722)

This AI-powered inbox automatically organizes emails, drafts replies in your unique writing style, and sends follow-ups. It learns your workflow to minimize distractions and ensure no important messages are missed.

**Highlights:** AI email triaging, Personalized draft writing, Automated follow-ups, Self-organizing inbox, Learns user workflow

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Deflection Pro free?

Deflection Pro costs $19.99, with no in-app purchases.

### Is Upstream free?

Upstream is free to download, with no in-app purchases.

### Which has better reviews, Deflection Pro or Upstream?

Deflection Pro is rated higher. Deflection Pro averages 4.7 out of 5 from 16 ratings, while Upstream averages 3.7 from 3 ratings.

### Do Deflection Pro or Upstream have ads?

Neither Deflection Pro nor Upstream shows ads.

### Which is updated more often, Deflection Pro or Upstream?

Deflection Pro ships an update every 5 weeks, and Upstream every 2 weeks. Most recently, Deflection Pro was updated on September 17, 2026 and Upstream on August 20, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*