# iDoc vs Fonn Construction

The clearest difference is in-app purchases: Fonn Construction at none against iDoc's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. iDoc sells 4 one-off in-app purchases. Fonn Construction asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 26, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | iDoc | Fonn Construction |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/fonn-construction/id1229059264/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | — | Free |
| Size | 185 MB | 134 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ove Steinsland](https://appshunter.io/developer/1097924304) | [Fonn AS](https://appshunter.io/developer/1229059263) |

## What reviewers say

### iDoc

[App page](https://appshunter.io/ios/app/idoc/id1097924305)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Single Inspection | $8.99 | one-time |
| Small Package 10 | $79.99 | one-time |
| Medium Package 50 | $299.99 | one-time |
| Large Package 200 | $999.99 | one-time |


### Fonn Construction

[App page](https://appshunter.io/ios/app/fonn-construction/id1229059264)

This field tool streamlines construction projects, enhancing efficiency and reducing errors for contractors and project managers. It offers real-time communication, up-to-date drawings, and audit trails, saving time and money.

**Highlights:** Real-time project communication, Up-to-date drawings in hand, Audit trails and liability protection, Photo and drawing markups, Unlimited users and storage, BIM compatibility

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iDoc free?

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

### Is Fonn Construction free?

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

### Do iDoc or Fonn Construction have ads?

Neither iDoc nor Fonn Construction shows ads.

### Which is updated more often, iDoc or Fonn Construction?

iDoc ships an update fortnightly, and Fonn Construction fortnightly. Most recently, iDoc was updated on October 26, 2026 and Fonn Construction on November 1, 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.*