# OptMsg vs Upstream

The clearest difference is review sentiment: OptMsg at 100% against Upstream's 50%. OptMsg also leads on rating (5.0 vs 3.7). Upstream's advantage is update cadence (every 2 weeks vs monthly). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

OptMsg holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 5 and 3 respectively. Written reviews point the same way: 100% of OptMsg's written reviews are positive against 50% of Upstream's.

OptMsg ships an update monthly, Upstream every 2 weeks. The most recent releases landed on October 4, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | OptMsg | Upstream |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/optmsg/id6742815057/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/upstream-email/id6751403722/reviews) |
| Number of ratings | **5** | 3 |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 61 MB | 87 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OptMsg, LLC](https://appshunter.io/developer/1800141573) | [Upstream Labs](https://appshunter.io/developer/1834893204) |

## What reviewers say

### OptMsg

[App page](https://appshunter.io/ios/app/optmsg/id6742815057)

This email app offers unparalleled privacy and security with 100% inbox control. Only approved senders can reach you, and all messages are fully encrypted. Enjoy a distraction-free, password-free experience with no ads or data tracking.

**Highlights:** 100% inbox control with approved senders, Password-free authentication via Passkeys, End-to-end encryption for secure messaging, No ads, no tracking, no data mining, Auto-delete trash after 30 days, Community recommendations for new senders

**Features:** macOS Compatibility, 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 OptMsg free?

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

### Is Upstream free?

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

### Which has better reviews, OptMsg or Upstream?

OptMsg is rated higher. OptMsg averages 5.0 out of 5 from 5 ratings, while Upstream averages 3.7 from 3 ratings.

### Do OptMsg or Upstream have ads?

Neither OptMsg nor Upstream shows ads.

### Which is updated more often, OptMsg or Upstream?

OptMsg ships an update monthly, and Upstream every 2 weeks. Most recently, OptMsg was updated on October 4, 2026 and Upstream on October 2, 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.*