# OnDemand vs AllTCAS

The clearest difference is ads: OnDemand at none against AllTCAS's shown. OnDemand also leads on iOS requirement (10.0 vs 16.4). AllTCAS's advantage is update cadence (fortnightly vs every 2 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OnDemand ships an update every 2 months, AllTCAS fortnightly. The most recent releases landed on October 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | OnDemand | AllTCAS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (3 ratings)](https://appshunter.io/ios/app/ondemand/id561411502/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 20.4% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 84 MB | 176 MB |
| Requires iOS | **10.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [chawalit khettanim](https://appshunter.io/developer/561411505) | [ALL LEARN CORPORATION LIMITED](https://appshunter.io/developer/1834639044) |

## What reviewers say

### OnDemand

[App page](https://appshunter.io/ios/app/ondemand/id561411502)

This app provides a comprehensive platform for educational services, allowing users to easily book classes, manage courses, and track their learning history. It also offers a Q&A feature with quick responses and detailed online solutions for educational content.

**Highlights:** Easy booking for classes, Course management and cancellation, Reservation history tracking, Q&A with expert answers, Detailed online solutions, News feed for updates and promotions

**Features:** macOS Compatibility

**In-app purchases:** none


### AllTCAS

[App page](https://appshunter.io/ios/app/alltcas/id6789263820)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OnDemand free?

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

### Is AllTCAS free?

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

### Do OnDemand or AllTCAS have ads?

AllTCAS shows ads; OnDemand does not.

### Which is updated more often, OnDemand or AllTCAS?

OnDemand ships an update every 2 months, and AllTCAS fortnightly. Most recently, OnDemand was updated on October 7, 2026 and AllTCAS on October 25, 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.*