# OBICON vs D

The clearest difference is update cadence: OBICON at monthly against D's every 20 months. On price, review sentiment, 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.

OBICON ships an update monthly, D every 20 months. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | OBICON | D |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 18.9% of reviews | **20.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 20 months |
| Monetization | Free | Free |
| Size | 7 MB | 5 MB |
| Requires iOS | **9.0** | 10.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [J. F. Oberlin University](https://appshunter.io/developer/567946736) | [WITH US CORPORATION](https://appshunter.io/developer/1456557806) |

## What reviewers say

### OBICON

[App page](https://appshunter.io/ios/app/obicon/id1422592386)

This app facilitates class attendance registration, allows users to receive notifications, and check facility congestion. Location tracking is limited to beacon-equipped classrooms and is not used for other purposes. It is developed by People Software Co., Ltd. under contract from J. F. Oberlin University.

**Highlights:** Class attendance registration, Receive notifications, Check facility congestion, Location-based attendance, Beacon technology integration

**Features:** Vision Pro support

**In-app purchases:** none


### D

[App page](https://appshunter.io/ios/app/d-file/id1456557807)

Visualize your personal growth and development with a digital map. Track your progress, gain a sense of accomplishment, and receive feedback to understand your achievements. Connect to an e-portfolio to record your growth history.

**Highlights:** Digital growth map, Growth visualization with graphs, Daily reflection and feedback, Set future self goals, Connect to e-portfolio

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OBICON free?

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

### Is D free?

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

### Do OBICON or D have ads?

Neither OBICON nor D shows ads.

### Which is updated more often, OBICON or D?

OBICON ships an update monthly, and D every 20 months. Most recently, OBICON was updated on October 14, 2026 and D on October 2, 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.*