# CODMOS vs Questi

The clearest difference is in-app purchases: Questi at none against CODMOS's 4. Questi also leads on update cadence (weekly vs every 2 weeks). CODMOS's advantage is review sentiment (100% vs 84%). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. CODMOS sells 4 one-off in-app purchases. Questi asks for nothing beyond the download.

CODMOS ships an update every 2 weeks, Questi weekly. The most recent releases landed on August 8, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | CODMOS | Questi |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 83.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free | Free |
| Size | 180 MB | 14 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Logibrothers Inc](https://appshunter.io/developer/1527385522) | [Bnz Inc](https://appshunter.io/developer/1602520806) |

## What reviewers say

### CODMOS

[App page](https://appshunter.io/ios/app/codmos-ai-coding-ct-edu/id6447348320)

This app provides a K-6 curriculum for coding, AI, and computational thinking. It uses block-based coding and mission-based learning to cultivate problem-solving skills. AI-powered guidance supports independent learning and progress tracking.

**Highlights:** Global curriculum alignment (CSTA standards), Block coding mastery, Mission-based learning with 1,900+ challenges, AI-powered guidance and adaptive hints, Maker Mode for creating games and projects, Self-directed learning environment

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Codmos kids 6-month subscrip | $59.99 | one-time |
| Codmos 6-month subscription | $99.99 | one-time |
| Codmos kids 12-month subscrip | $109.00 | one-time |
| Codmos 12-month subscription | $199.00 | one-time |


### Questi

[App page](https://appshunter.io/ios/app/questi-ai-problem-solver/id6736639784)

This AI-powered app provides clear explanations for complex problems across all academic levels, from elementary to university. It helps users understand the essence of problems, maximize learning efficiency, and offers accessibility on multiple devices.

**Highlights:** AI-powered explanations, Covers all academic levels, In-depth understanding, Maximize learning efficiency, Accessible on PC, tablet, smartphone

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

**In-app purchases:** none


## Frequently asked questions

### Is CODMOS free?

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

### Is Questi free?

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

### Do CODMOS or Questi have ads?

Neither CODMOS nor Questi shows ads.

### Which is updated more often, CODMOS or Questi?

CODMOS ships an update every 2 weeks, and Questi weekly. Most recently, CODMOS was updated on August 8, 2026 and Questi on September 14, 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.*