# Spark vs Nevvi

The clearest difference is in-app purchases: Nevvi at none against Spark's 2. Nevvi also leads on review sentiment (100% vs 75%) and rating (5.0 vs 4.8). Spark's advantage is ratings volume (7.5K vs 4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Spark sells 2 one-off in-app purchases. Nevvi asks for nothing beyond the download.

Nevvi holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Spark has 7.5K ratings behind it against 4, 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 100% of Nevvi's.

Spark ships an update every 5 weeks, Nevvi every 2 months. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Spark | Nevvi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (7.5K ratings)](https://appshunter.io/ios/app/spark-shift-calendar/id390915382/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/nevvi/id1669915435/reviews)** |
| Number of ratings | **7.5K** | 4 |
| Positive reviews | 74.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 10 MB | 33 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [E.L.K. Equities LLC](https://appshunter.io/developer/1775442602) | [Tyler Standal](https://appshunter.io/developer/1669915437) |

## 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


### Nevvi

[App page](https://appshunter.io/ios/app/nevvi/id1669915435)

Effortlessly manage and share your personal contact information. Update your details once and instantly share them with chosen connections, ensuring everyone has your latest information without manual updates.

**Highlights:** Secure personal information vault, Customizable privacy controls, Real-time network updates, Easy connection management, Create connection groups, Intuitive interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Spark free?

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

### Is Nevvi free?

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

### Which has better reviews, Spark or Nevvi?

Nevvi is rated higher. Spark averages 4.8 out of 5 from 7.5K ratings, while Nevvi averages 5.0 from 4 ratings.

### Do Spark or Nevvi have ads?

Neither Spark nor Nevvi shows ads.

### Which is updated more often, Spark or Nevvi?

Spark ships an update every 5 weeks, and Nevvi every 2 months. Most recently, Spark was updated on October 14, 2026 and Nevvi on October 2, 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.*