# Spark vs Calendar Paste 3

The clearest difference is price: Spark at Free against Calendar Paste 3's $1.99. Spark also leads on rating (4.8 vs 4.0) and ratings volume (7.5K vs 9). Calendar Paste 3's advantage is in-app purchases (none vs 2). On ads and device support there is nothing between them.

Spark is free to download; Calendar Paste 3 costs $1.99 up front. Spark sells 2 one-off in-app purchases. Calendar Paste 3 asks for nothing beyond the download.

Spark holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: Spark has 7.5K ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 75% of Spark's written reviews are positive against 67% of Calendar Paste 3's.

Spark ships an update every 5 weeks, Calendar Paste 3 every 3 months. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Spark | Calendar Paste 3 |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.8 (7.5K ratings)](https://appshunter.io/ios/app/spark-shift-calendar/id390915382/reviews)** | [4.0 (9 ratings)](https://appshunter.io/ios/app/calendar-paste-3/id581693524/reviews) |
| Number of ratings | **7.5K** | 9 |
| Positive reviews | **74.8% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 10 MB | 1 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [E.L.K. Equities LLC](https://appshunter.io/developer/1775442602) | [Christian Tietze](https://appshunter.io/developer/581693527) |

## What reviewers say

### Spark

[App page](https://appshunter.io/ios/app/spark-shift-calendar/id390915382)

This app simplifies shift work for professionals like first responders and healthcare workers. It offers full customization, secure cloud syncing, and streamlined shift trading. Plan your life and stay organized with instant visual cues and reliable support.

**Highlights:** Full shift customization, Secure cloud sync, Streamlined shift trades, Instant visual cues, Comprehensive shift coverage, User-friendly interface

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Subscription Renewal | $0.99 | one-time |
| Initial Annual Subscription | $5.99 | one-time |

**What reviewers like**

- 🚀 Excellent calendar app
- 👍 Easy to use and set up
- 🔒 Secure and reliable
- 💡 Customizable and feature-rich
- 👍 Great for shift work and emergency services

**What reviewers complain about**

- 🐛 Occasional crashes and bugs
- 💰 Subscription model and pricing issues
- 🔧 Needs more frequent updates
- 🔧 Compatibility issues with newer devices
- 🔧 Lack of certain features (e.g., widgets, dark mode)

**Reported bugs**

- Login and authentication problems
- Data loss and sync issues after updates
- Unreliable performance on some devices

**Requested features**

- Ability to sync with more calendar services
- More customization options
- Improved user interface and design
- Ability to view past schedules and events


### Calendar Paste 3

[App page](https://appshunter.io/ios/app/calendar-paste-3/id581693524)

Create reusable templates for recurring or irregular events. Easily paste these templates into your calendar to save time and avoid repetitive data entry for meetings, shifts, and custom appointments.

**Highlights:** Create event templates, Paste templates into calendar, Schedule team meetings, Manage work shifts, Handle on-call duties, Specify custom durations

**In-app purchases:** none


## Frequently asked questions

### Is Spark free?

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

### Is Calendar Paste 3 free?

Calendar Paste 3 costs $1.99, with no in-app purchases.

### Which has better reviews, Spark or Calendar Paste 3?

Spark is rated higher. Spark averages 4.8 out of 5 from 7.5K ratings, while Calendar Paste 3 averages 4.0 from 9 ratings.

### Do Spark or Calendar Paste 3 have ads?

Neither Spark nor Calendar Paste 3 shows ads.

### Which is updated more often, Spark or Calendar Paste 3?

Spark ships an update every 5 weeks, and Calendar Paste 3 every 3 months. Most recently, Spark was updated on October 14, 2026 and Calendar Paste 3 on October 9, 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.*