# APPC TBOCWWB vs Maths Engineering

The clearest difference is in-app purchases: Maths Engineering at none against APPC TBOCWWB's 1. Maths Engineering also leads on update cadence (fortnightly vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. APPC TBOCWWB sells 1 one-off in-app purchase. Maths Engineering asks for nothing beyond the download.

APPC TBOCWWB ships an update monthly, Maths Engineering fortnightly. The most recent releases landed on September 16, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | APPC TBOCWWB | Maths Engineering |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Size | 264 MB | 300 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Sri Gajanan E-Slates Private Limited](https://appshunter.io/developer/1680150579) | [Promath Technology Private Limited](https://appshunter.io/developer/1772077330) |

## What reviewers say

### APPC TBOCWWB

[App page](https://appshunter.io/ios/app/appc-tbocwwb/id6463717127)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| English Language Skills | $199.99 | one-time |


### Maths Engineering

[App page](https://appshunter.io/ios/app/maths-engineering/id6736468806)

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

**In-app purchases:** none


## Frequently asked questions

### Is APPC TBOCWWB free?

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

### Is Maths Engineering free?

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

### Do APPC TBOCWWB or Maths Engineering have ads?

Neither APPC TBOCWWB nor Maths Engineering shows ads.

### Which is updated more often, APPC TBOCWWB or Maths Engineering?

APPC TBOCWWB ships an update monthly, and Maths Engineering fortnightly. Most recently, APPC TBOCWWB was updated on September 16, 2026 and Maths Engineering 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.*