# ESF Teacher vs PlayIQ 3+

The clearest difference is in-app purchases: ESF Teacher at none against PlayIQ 3+'s 1. ESF Teacher also leads on ads (none vs shown) and iOS requirement (11.0 vs 18.0). PlayIQ 3+'s advantage is update cadence (every 2 months vs every 7 months). On price and device support there is nothing between them.

Both are free to download. PlayIQ 3+ sells 1 one-off in-app purchase. ESF Teacher asks for nothing beyond the download.

ESF Teacher ships an update every 7 months, PlayIQ 3+ every 2 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ESF Teacher | PlayIQ 3+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 2 months** |
| Size | 31 MB | 123 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MONASABA COMPANY](https://appshunter.io/developer/1364657303) | [QISHENG ZENG](https://appshunter.io/developer/1619514595) |

## What reviewers say

### ESF Teacher

[App page](https://appshunter.io/ios/app/esf-teacher/id1620379896)

**Features:** macOS Compatibility

**In-app purchases:** none


### PlayIQ 3+

[App page](https://appshunter.io/ios/app/playiq-3-plus/id6747767026)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PlayIQ 3+ | $2.99 | one-time |


## Frequently asked questions

### Is ESF Teacher free?

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

### Is PlayIQ 3+ free?

PlayIQ 3+ is free to download, with in-app purchases available.

### Do ESF Teacher or PlayIQ 3+ have ads?

PlayIQ 3+ shows ads; ESF Teacher does not.

### Which is updated more often, ESF Teacher or PlayIQ 3+?

ESF Teacher ships an update every 7 months, and PlayIQ 3+ every 2 months. Most recently, ESF Teacher was updated on November 3, 2026 and PlayIQ 3+ on October 30, 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.*