# STM Parent App vs Math IQ Booster

The clearest difference is in-app purchases: STM Parent App at none against Math IQ Booster's 9. STM Parent App also leads on ads (none vs shown) and iOS requirement (12.1 vs 15.0). Math IQ Booster's advantage is update cadence (every 2 days vs every 3 months). On price and device support there is nothing between them.

Both are free to download. Math IQ Booster sells 9 one-off in-app purchases. STM Parent App asks for nothing beyond the download.

STM Parent App ships an update every 3 months, Math IQ Booster every 2 days. The most recent releases landed on September 29, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | STM Parent App | Math IQ Booster |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 104 MB | 75 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PPCnSEO](https://appshunter.io/developer/1280771036) | [DevCrux Technologies Limited](https://appshunter.io/developer/1472969114) |

## What reviewers say

### STM Parent App

[App page](https://appshunter.io/ios/app/stm-parent-app/id1436584074)

Monitor vehicle locations and passenger boarding/alighting times in real-time. Receive notifications about stops and system messages for assigned passengers.

**Highlights:** Real-time vehicle position tracking, Scheduled and actual boarding/alighting times, Stop name and location information, System message notifications, Passenger assignment and monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


### Math IQ Booster

[App page](https://appshunter.io/ios/app/math-iq-booster-fun-math-game/id6749242558)

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coin Pack - Starter | $0.99 | one-time |
| Coin Pack - Helper | $1.99 | one-time |
| Coin Pack - Power | $3.99 | one-time |
| Coin Pack - Ultimate | $6.99 | one-time |
| Coin Pack - Mega | $9.99 | one-time |
| Remove Ads | $9.99 | one-time |
| Premium (Discounted) | $9.99 | one-time |
| Coin Pack - Master | $14.99 | one-time |
| Premium | $14.99 | one-time |


## Frequently asked questions

### Is STM Parent App free?

STM Parent App is free to download, with no in-app purchases.

### Is Math IQ Booster free?

Math IQ Booster is free to download, with in-app purchases available.

### Do STM Parent App or Math IQ Booster have ads?

Math IQ Booster shows ads; STM Parent App does not.

### Which is updated more often, STM Parent App or Math IQ Booster?

STM Parent App ships an update every 3 months, and Math IQ Booster every 2 days. Most recently, STM Parent App was updated on September 29, 2026 and Math IQ Booster on October 6, 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.*