# OE TRACKER attendance app vs ReferFlow

The clearest difference is update cadence: ReferFlow at every 2 weeks against OE TRACKER attendance app's every 3 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.

OE TRACKER attendance app ships an update every 3 months, ReferFlow every 2 weeks. The most recent releases landed on October 23, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | OE TRACKER attendance app | ReferFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (35 ratings)](https://appshunter.io/ios/app/oe-tracker-attendance-app/id533351358/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | 82.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 20 MB | 67 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [ARBO](https://appshunter.io/developer/533351361) | [ReferFlow](https://appshunter.io/developer/1859577521) |

## What reviewers say

### OE TRACKER attendance app

[App page](https://appshunter.io/ios/app/oe-tracker-attendance-app/id533351358)

This app allows optometrists to easily record their attendance at continuing education courses by scanning QR codes. It sends attendance data to a central database and provides users with a history of their completed courses, including details like title and instructor.

**Highlights:** Scan QR codes for attendance, Record attendance for optometric CE courses, Send attendance data to ARBO's OE TRACKER database, View course history and details, Receive email confirmation of attendance upload

**Features:** macOS Compatibility

**In-app purchases:** none


### ReferFlow

[App page](https://appshunter.io/ios/app/referflow/id6756258687)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OE TRACKER attendance app free?

OE TRACKER attendance app is free to download, with no in-app purchases.

### Is ReferFlow free?

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

### Do OE TRACKER attendance app or ReferFlow have ads?

Neither OE TRACKER attendance app nor ReferFlow shows ads.

### Which is updated more often, OE TRACKER attendance app or ReferFlow?

OE TRACKER attendance app ships an update every 3 months, and ReferFlow every 2 weeks. Most recently, OE TRACKER attendance app was updated on October 23, 2026 and ReferFlow on October 14, 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.*