# ECA vs Study with Experts

The clearest difference is in-app purchases: ECA at none against Study with Experts's 10. ECA also leads on iOS requirement (11.0 vs 15.6). Study with Experts's advantage is update cadence (every 2 weeks vs every 21 months). On price, ads and device support there is nothing between them.

Both are free to download. Study with Experts sells 10 in-app purchases, starting at $5.99 per month. ECA asks for nothing beyond the download.

ECA ships an update every 21 months, Study with Experts every 2 weeks. The most recent releases landed on March 10, 2026 and August 16, 2026 respectively.

## The numbers

| Metric | ECA | Study with Experts |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 52 MB | 72 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Antell System S de RL de CV](https://appshunter.io/developer/1227463390) | [DEV12BR SISTEMAS E APLICATIVOS LTDA](https://appshunter.io/developer/1441268706) |

## What reviewers say

### ECA

[App page](https://appshunter.io/ios/app/eca/id1427789903)

**Features:** macOS Compatibility

**In-app purchases:** none


### Study with Experts

[App page](https://appshunter.io/ios/app/study-with-experts-teacherai/id6502416823)

Access expert AI tutors 24/7 for personalized help in subjects like math and English. Save conversations for later review and get up-to-date information to master any subject.

**Highlights:** 24/7 AI tutor availability, Personalized subject support, Saved conversation history, Up-to-date information, Expertise in math and English

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access monthly | $5.99 | per month |
| Premium Access for monthly | $14.99 | per month |
| Premium Access per Yearly | $39.99 | per year |
| Premium Access per Yearly | $97.99 | per year |
| Gems for Teacher.Ai | $2.99 | one-time |
| Gems for Teacher.Ai | $5.99 | one-time |
| Gems for Teacher.Ai | $7.99 | one-time |
| Gems for Teacher.Ai | $9.99 | one-time |
| Gems for Teacher.Ai | $19.99 | one-time |
| Gems for Teacher.Ai | $49.99 | one-time |


## Frequently asked questions

### Is ECA free?

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

### Is Study with Experts free?

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

### Do ECA or Study with Experts have ads?

Neither ECA nor Study with Experts shows ads.

### Which is updated more often, ECA or Study with Experts?

ECA ships an update every 21 months, and Study with Experts every 2 weeks. Most recently, ECA was updated on March 10, 2026 and Study with Experts on August 16, 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.*