# CalcuDose vs Shift Calendar Planner

The clearest difference is update cadence: CalcuDose at every 6 days against Shift Calendar Planner's every 3 weeks. CalcuDose also leads on iOS requirement (12.0 vs 17.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. CalcuDose sells 1 one-off in-app purchase and Shift Calendar Planner sells 4 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

CalcuDose ships an update every 6 days, Shift Calendar Planner every 3 weeks. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | CalcuDose | Shift Calendar Planner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (27 ratings)](https://appshunter.io/ios/app/shift-calendar-planner/id6472920612/reviews)** |
| Number of ratings | — | **27** |
| Positive reviews | **85.7% of reviews** | 80.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | Freemium |
| Size | 28 MB | 61 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [QRTouch Development](https://appshunter.io/developer/1543008653) | [Bivis](https://appshunter.io/developer/1124507805) |

## 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 Calendar Planner

[App page](https://appshunter.io/ios/app/shift-calendar-planner/id6472920612)

Manage your work shifts, personal events, and time off with this intuitive calendar app. Track earnings, create payout reports, and receive schedule conflict alerts. Designed for professionals working rotating schedules.

**Highlights:** Automatic shift schedules, Earnings tracking, Payout reports, Time-off planning, Calendar synchronization, Home screen widgets, Cloud backup

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Shift Calendar Monthly | $1.99 | per month |
| Shift Calendar Monthly | $2.99 | per month |
| Shift Calendar Annual | $15.99 | per year |
| Lifetime | $34.99 | one-time |

**What reviewers like**

- 👍 Easy to use and intuitive interface
- ✅ Complete and comprehensive for shift management
- 💰 Good for tracking payments and earnings
- 🗓️ Helps organize work schedules and agendas
- 💸 Useful for financial control of shifts

**What reviewers complain about**

- 🐛 App closes unexpectedly when adding locations
- ⚠️ Difficulty editing recurrence without deleting
- 📉 Some users find it difficult to navigate
- 🚫 Limited free features, many require payment
- 🧮 Inaccurate value registration (e.g., 1392 becomes 1391.90)

**Reported bugs**

- App closes alone when adding location
- Payment organization feature not working
- Inaccurate value registration (e.g., 1392 becomes 1391.90)
- Cannot edit recurrence without deleting entire schedule

**Requested features**

- Allow custom alerts (e.g., 12 hours before shift)
- Option to change main screen design (e.g., colored dots)
- Widget for easy access on the home screen
- Improve recurrence editing functionality
- Fix value input errors


## Frequently asked questions

### Is CalcuDose free?

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

### Is Shift Calendar Planner free?

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

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

Neither CalcuDose nor Shift Calendar Planner shows ads.

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

CalcuDose ships an update every 6 days, and Shift Calendar Planner every 3 weeks. Most recently, CalcuDose was updated on October 7, 2026 and Shift Calendar Planner on October 24, 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.*