# Doktor vs HIIT Dual Timer

The clearest difference is in-app purchases: HIIT Dual Timer at none against Doktor's 2. HIIT Dual Timer also leads on update cadence (every 5 days vs every 3 months) and iOS requirement (13.0 vs 16.0). On price, review sentiment, ads and monetization model there is nothing between them.

Both are free to download. Doktor sells 2 one-off in-app purchases. HIIT Dual Timer asks for nothing beyond the download.

Doktor ships an update every 3 months, HIIT Dual Timer every 5 days. The most recent releases landed on June 4, 2026 and June 3, 2026 respectively.

## The numbers

| Metric | Doktor | HIIT Dual Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (1 ratings)](https://appshunter.io/ios/app/hiit-dual-timer/id1505262060/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | Free | Free |
| Size | 97 MB | 1 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BULENT EREN](https://appshunter.io/developer/1087908282) | [BWorby Works](https://appshunter.io/developer/546372907) |

## What reviewers say

### Doktor

[App page](https://appshunter.io/ios/app/doktor-randevu-hasta/id1494741504)

This app helps doctors easily track patients and manage appointments within their clinic. It sends notifications for appointment status changes and reminders. Doctors can access patient information and manage schedules, with optional secretarial assistance.

**Highlights:** Patient tracking, Appointment scheduling, Status change notifications, Patient information access, Secretary assistance for appointments, Customizable working hours, Appointment reminders

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Aylık Abonelik | $1.99 | one-time |
| Yıllık Kullanım Bedeli | $19.99 | one-time |


### HIIT Dual Timer

[App page](https://appshunter.io/ios/app/hiit-dual-timer/id1505262060)

This interval timer allows you to set custom durations for work and rest periods, and then repeat them for a specified number of rounds. It's designed for high-intensity interval training and other timed activities.

**Highlights:** Customizable work intervals, Customizable rest intervals, Set number of rounds, Simple start and go functionality, Ideal for HIIT workouts

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Doktor free?

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

### Is HIIT Dual Timer free?

HIIT Dual Timer is free to download, with no in-app purchases.

### Do Doktor or HIIT Dual Timer have ads?

Neither Doktor nor HIIT Dual Timer shows ads.

### Which is updated more often, Doktor or HIIT Dual Timer?

Doktor ships an update every 3 months, and HIIT Dual Timer every 5 days. Most recently, Doktor was updated on June 4, 2026 and HIIT Dual Timer on June 3, 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.*