# OIDDS vs AIA iLearn

The clearest difference is iOS requirement: OIDDS at 12.0 against AIA iLearn's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

OIDDS ships an update every 3 months, AIA iLearn every 2 months. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | OIDDS | AIA iLearn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 45 MB | 112 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CAMP CHALLENGE PTE. LTD.](https://appshunter.io/developer/1512378273) | [AIA Singapore Private Limited](https://appshunter.io/developer/893594763) |

## What reviewers say

### OIDDS

[App page](https://appshunter.io/ios/app/oidds/id1512378274)

**Features:** macOS Compatibility

**In-app purchases:** none


### AIA iLearn

[App page](https://appshunter.io/ios/app/aia-ilearn/id1639245475)

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

**In-app purchases:** none


## Frequently asked questions

### Is OIDDS free?

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

### Is AIA iLearn free?

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

### Do OIDDS or AIA iLearn have ads?

Neither OIDDS nor AIA iLearn shows ads.

### Which is updated more often, OIDDS or AIA iLearn?

OIDDS ships an update every 3 months, and AIA iLearn every 2 months. Most recently, OIDDS was updated on October 27, 2026 and AIA iLearn on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*