# Upstream vs Threadly

The clearest difference is iOS requirement: Threadly at 13.0 against Upstream's 15.1. 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.

## The numbers

| Metric | Upstream | Threadly |
| --- | --- | --- |
| 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 | — |
| Monetization | Free | — |
| Size | 87 MB | 11 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Upstream Labs](https://appshunter.io/developer/1834893204) | [Isaac Muliro](https://appshunter.io/developer/1774011230) |

## 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


### Threadly

[App page](https://appshunter.io/ios/app/threadly-email-client/id6759013173)

**In-app purchases:** none


## Frequently asked questions

### Is Upstream free?

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

### Is Threadly free?

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

### Do Upstream or Threadly have ads?

Neither Upstream nor Threadly shows ads.

---

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