# CNIConstruct vs dotcert

The clearest difference is in-app purchases: CNIConstruct at none against dotcert's 3. CNIConstruct also leads on iOS requirement (15.1 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. dotcert sells 3 in-app purchases, starting at $87.99 per month. CNIConstruct asks for nothing beyond the download.

CNIConstruct ships an update every 5 days, dotcert every 6 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CNIConstruct | dotcert |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 6 days |
| Monetization | — | Free with in-app purchases |
| Size | 55 MB | 35 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Christopher Nisbet](https://appshunter.io/developer/1863957614) | [CERTY LIMITED](https://appshunter.io/developer/1877112475) |

## What reviewers say

### CNIConstruct

[App page](https://appshunter.io/ios/app/cniconstruct/id6756973411)

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

**In-app purchases:** none


### dotcert

[App page](https://appshunter.io/ios/app/dotcert/id6759163581)

Streamline electrical certifications with an AI-powered mobile tool. Automate tedious paperwork, generate compliant PDFs, and get AI-suggested observations. Designed for electricians to save time and focus on their work.

**Highlights:** AI-powered voice dictation for certificate completion, AI-suggested observations aligned with BS 7671, Photo-to-board uploads for automatic circuit linking, Up to 5x faster certificate generation, Automatic PDF formatting and generation, Community feedback integration for continuous improvement

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Team +2 Seat Monthly | $87.99 | per month |
| Pro Team +3 Seat Monthly | $114.99 | per month |
| Pro Annually | $199.00 | per year |


## Frequently asked questions

### Is CNIConstruct free?

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

### Is dotcert free?

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

### Do CNIConstruct or dotcert have ads?

Neither CNIConstruct nor dotcert shows ads.

### Which is updated more often, CNIConstruct or dotcert?

CNIConstruct ships an update every 5 days, and dotcert every 6 days. Most recently, CNIConstruct was updated on October 30, 2026 and dotcert on October 31, 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.*