# ODEI vs billdin

The clearest difference is update cadence: ODEI at every 2 months against billdin's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

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

ODEI ships an update every 2 months, billdin every 4 months. The most recent releases landed on September 30, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | ODEI | billdin |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | — |
| Size | 91 MB | 15 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [odei.io](https://appshunter.io/developer/1756478495) | [Kairos Concept S.L.](https://appshunter.io/developer/1524920303) |

## What reviewers say

### ODEI

[App page](https://appshunter.io/ios/app/odei/id1515278531)

This app connects construction sites with the office, enabling remote worksite control and real-time project metric access. It helps optimize project management, production, and avoid costly delays through data-driven insights and enhanced coordination.

**Highlights:** Remote worksite control, Real-time project metrics, Cost and delay optimization, Data-driven decision making, Improved coordination, Remote inspection, Access control functionality

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

**In-app purchases:** none


### billdin

[App page](https://appshunter.io/ios/app/billdin/id6450713491)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ODEI free?

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

### Is billdin free?

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

### Do ODEI or billdin have ads?

Neither ODEI nor billdin shows ads.

### Which is updated more often, ODEI or billdin?

ODEI ships an update every 2 months, and billdin every 4 months. Most recently, ODEI was updated on September 30, 2026 and billdin on October 5, 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.*