# Passive Voice Master vs Upstream

The clearest difference is in-app purchases: Passive Voice Master at none against Upstream's 10. Passive Voice Master also leads on iOS requirement (13.0 vs 17.0). Upstream's advantage is ads (none vs shown) and update cadence (every 11 days vs every 80 months). On price and device support there is nothing between them.

Both are free to download. Upstream sells 10 one-off in-app purchases. Passive Voice Master asks for nothing beyond the download.

Passive Voice Master ships an update every 80 months, Upstream every 11 days. The most recent releases landed on October 12, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Passive Voice Master | Upstream |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 80 months | **Every 11 days** |
| Size | 23 MB | 15 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [irin Tanrverdi](https://appshunter.io/developer/1494693885) | [Anh Ngoc Le](https://appshunter.io/developer/1878659639) |

## What reviewers say

### Passive Voice Master

[App page](https://appshunter.io/ios/app/passive-voice-master/id1494738041)

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

**In-app purchases:** none


### Upstream

[App page](https://appshunter.io/ios/app/upstream-data-training/id6759870186)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sharper Thinking | $9.99 | one-time |
| Advanced Question Frameworks | $9.99 | one-time |
| Stakeholder Communication | $12.99 | one-time |
| Healthcare Analytics | $12.99 | one-time |
| SaaS Metrics Mastery | $12.99 | one-time |
| Financial Services Analytics | $12.99 | one-time |
| E-commerce Analytics | $12.99 | one-time |
| ML Reality Checks | $12.99 | one-time |
| Mastering Metric Traps | $14.99 | one-time |
| Analyst Interview Prep | $19.99 | one-time |


## Frequently asked questions

### Is Passive Voice Master free?

Passive Voice Master is free to download, with no in-app purchases.

### Is Upstream free?

Upstream is free to download, with in-app purchases available.

### Do Passive Voice Master or Upstream have ads?

Passive Voice Master shows ads; Upstream does not.

### Which is updated more often, Passive Voice Master or Upstream?

Passive Voice Master ships an update every 80 months, and Upstream every 11 days. Most recently, Passive Voice Master was updated on October 12, 2026 and Upstream on October 4, 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.*