# AHI PICS vs DHC

The clearest difference is update cadence: AHI PICS at every 3 months against DHC's every 12 months. AHI PICS also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, 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.

AHI PICS ships an update every 3 months, DHC every 12 months. The most recent releases landed on October 26, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | AHI PICS | DHC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 12 months |
| Size | 31 MB | 90 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Turnkey Computer Systems, INC](https://appshunter.io/developer/1436876006) | [De Havilland Aircraft Company of Canada Limited](https://appshunter.io/developer/1503054078) |

## What reviewers say

### AHI PICS

[App page](https://appshunter.io/ios/app/ahi-pics/id1436876007)

**Features:** macOS Compatibility

**In-app purchases:** none


### DHC

[App page](https://appshunter.io/ios/app/dhc-mobile-maintenance/id1503350127)

**In-app purchases:** none


## Frequently asked questions

### Is AHI PICS free?

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

### Is DHC free?

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

### Do AHI PICS or DHC have ads?

Neither AHI PICS nor DHC shows ads.

### Which is updated more often, AHI PICS or DHC?

AHI PICS ships an update every 3 months, and DHC every 12 months. Most recently, AHI PICS was updated on October 26, 2026 and DHC on November 7, 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.*