# IAM 99 vs SRCD

The clearest difference is ads: SRCD at none against IAM 99's shown. SRCD also leads on update cadence (every 3 weeks vs every 6 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

IAM 99 ships an update every 6 months, SRCD every 3 weeks. The most recent releases landed on September 8, 2026 and August 9, 2026 respectively.

## The numbers

| Metric | IAM 99 | SRCD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Size | 54 MB | 55 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [International Association of Machinists and Aerospace Workers (Edmonton)](https://appshunter.io/developer/1815549115) | [SOCIETY FOR RESEARCH IN CHILD DEVELOPMENT, INC.](https://appshunter.io/developer/1185573290) |

## What reviewers say

### IAM 99

[App page](https://appshunter.io/ios/app/iam-99/id6746168477)

**Features:** Vision Pro support

**In-app purchases:** none


### SRCD

[App page](https://appshunter.io/ios/app/srcd/id6786273638)

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

**In-app purchases:** none


## Frequently asked questions

### Is IAM 99 free?

IAM 99 is free to download, with no in-app purchases.

### Is SRCD free?

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

### Do IAM 99 or SRCD have ads?

IAM 99 shows ads; SRCD does not.

### Which is updated more often, IAM 99 or SRCD?

IAM 99 ships an update every 6 months, and SRCD every 3 weeks. Most recently, IAM 99 was updated on September 8, 2026 and SRCD on August 9, 2026.

---

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