# QueryQuest vs Upstream

The clearest difference is update cadence: Upstream at every 11 days against QueryQuest's every 4 months. QueryQuest's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. QueryQuest sells 7 one-off in-app purchases and Upstream sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

QueryQuest ships an update every 4 months, Upstream every 11 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | QueryQuest | Upstream |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/upstream-data-training/id6759870186/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 11 days** |
| Monetization | — | Free |
| Size | 64 MB | 15 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Zheng Pan Lim](https://appshunter.io/developer/1872604492) | [Anh Ngoc Le](https://appshunter.io/developer/1878659639) |

## What reviewers say

### QueryQuest

[App page](https://appshunter.io/ios/app/queryquest-learn-sql/id6759665201)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Level 3: SQL Joins | $1.99 | one-time |
| Level 4: Advanced SQL | $1.99 | one-time |
| Level 5: SQL Logic | $2.99 | one-time |
| Level 6: SQL Tools | $2.99 | one-time |
| Level 7: Stellar Challenges | $2.99 | one-time |
| Level 8: Interview Prep | $2.99 | one-time |
| QueryQuest PRO: Unlock Everything | $9.99 | one-time |


### Upstream

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

This app is a training tool for data analysts, focusing on critical thinking and asking the right questions before diving into data. It presents realistic workplace scenarios to challenge your analytical instincts and improve your decision-making skills in data-related tasks.

**Highlights:** Interactive workplace scenarios, Critical thinking challenges, Skill assessment and ranking, Progressive case unlocking, Stakeholder management training, Metric design practice

**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 QueryQuest free?

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

### Is Upstream free?

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

### Do QueryQuest or Upstream have ads?

Neither QueryQuest nor Upstream shows ads.

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

QueryQuest ships an update every 4 months, and Upstream every 11 days. Most recently, QueryQuest was updated on October 28, 2026 and Upstream on October 31, 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.*