# CalcuDose vs Shift Work Calendar

The clearest difference is review sentiment: CalcuDose at 86% against Shift Work Calendar's 58%. CalcuDose also leads on update cadence (every 6 days vs every 3 weeks) and iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. CalcuDose sells 1 one-off in-app purchase and Shift Work Calendar sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

CalcuDose ships an update every 6 days, Shift Work Calendar every 3 weeks. The most recent releases landed on October 7, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | CalcuDose | Shift Work Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (293 ratings)](https://appshunter.io/ios/app/shift-work-calendar-scedu/id6478971643/reviews)** |
| Number of ratings | — | **293** |
| Positive reviews | **85.7% of reviews** | 58.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 28 MB | 16 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [QRTouch Development](https://appshunter.io/developer/1543008653) | [Maryana Yurieva](https://appshunter.io/developer/1559522500) |

## What reviewers say

### CalcuDose

[App page](https://appshunter.io/ios/app/calcudose/id1609062237)

Easily calculate liquid dosages and flow rates for medical applications. Input concentration, desired quantity, or volume and duration to get precise results in ml/h and drops/min. Access your last 15 calculations through the history feature.

**Highlights:** Dose calculation, Flow rate calculation, Unit and volume input, Time unit selection, Drops per ml selection, Calculation history

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CalcuDose unlimited for life | $1.99 | one-time |


### Shift Work Calendar

[App page](https://appshunter.io/ios/app/shift-work-calendar-scedu/id6478971643)

This app helps shift workers manage their schedules with customizable color-coding, icons, and break time tracking. It offers features like automatic rotation filling, memo notes, and detailed monthly reports for earnings and shift insights.

**Highlights:** Customizable shift color-coding and icons, Break time tracking within shifts, Automatic rotation filling, Daily memo notes, Monthly earnings and shift reports, iCloud syncing across devices, Flexible shift notifications

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scedu Pro Monthly Subscription | $6.99 | per month |
| Scedu Pro Annual Subscription | $29.99 | per year |


## Frequently asked questions

### Is CalcuDose free?

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

### Is Shift Work Calendar free?

Shift Work Calendar is free to download, with in-app purchases available.

### Do CalcuDose or Shift Work Calendar have ads?

Neither CalcuDose nor Shift Work Calendar shows ads.

### Which is updated more often, CalcuDose or Shift Work Calendar?

CalcuDose ships an update every 6 days, and Shift Work Calendar every 3 weeks. Most recently, CalcuDose was updated on October 7, 2026 and Shift Work Calendar on October 22, 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.*