# Upstream vs Slashwork

The clearest difference is update cadence: Upstream at every 2 weeks against Slashwork's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Upstream ships an update every 2 weeks, Slashwork every 2 months. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Upstream | Slashwork |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/upstream-email/id6751403722/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 87 MB | 50 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Upstream Labs](https://appshunter.io/developer/1834893204) | [Anserine Labs](https://appshunter.io/developer/1854139904) |

## What reviewers say

### 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


### Slashwork

[App page](https://appshunter.io/ios/app/slashwork/id6755482192)

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

**In-app purchases:** none


## Frequently asked questions

### Is Upstream free?

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

### Is Slashwork free?

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

### Do Upstream or Slashwork have ads?

Neither Upstream nor Slashwork shows ads.

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

Upstream ships an update every 2 weeks, and Slashwork every 2 months. Most recently, Upstream was updated on October 2, 2026 and Slashwork on October 7, 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.*