# Nextbox vs Upstream

The clearest difference is ads: Upstream at none against Nextbox's shown. On price, update cadence, 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.

Nextbox ships an update every 9 days, Upstream every 2 weeks. The most recent releases landed on September 9, 2026 and August 20, 2026 respectively.

## The numbers

| Metric | Nextbox | Upstream |
| --- | --- | --- |
| 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 | Yes | **No** |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Monetization | — | Free |
| Size | 22 MB | 87 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Next Level Coder, LLC](https://appshunter.io/developer/1725712828) | [Upstream Labs](https://appshunter.io/developer/1834893204) |

## What reviewers say

### Nextbox

[App page](https://appshunter.io/ios/app/nextbox-fast-fun-email/id6504255291)

**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 Nextbox free?

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

### Is Upstream free?

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

### Do Nextbox or Upstream have ads?

Nextbox shows ads; Upstream does not.

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

Nextbox ships an update every 9 days, and Upstream every 2 weeks. Most recently, Nextbox was updated on September 9, 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.*