# Zella vs Keycal

The clearest difference is review sentiment: Keycal at 100% against Zella's 0%. Keycal also leads on update cadence (daily vs every 2 weeks). Zella's advantage is in-app purchases (none vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Keycal sells 1 one-off in-app purchase. Zella asks for nothing beyond the download.

Zella ships an update every 2 weeks, Keycal daily. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Zella | Keycal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/zella/id1599769642/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 7 MB | 8 MB |
| Requires iOS | **16.2** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Zella Systems Inc](https://appshunter.io/developer/1599769644) | [Parth Antala](https://appshunter.io/developer/1648952099) |

## What reviewers say

### Zella

[App page](https://appshunter.io/ios/app/zella/id1599769642)

Effortlessly manage and update your contact information. Create and share dynamic contact cards that automatically sync across devices, ensuring everyone has your latest details. Receive smart notifications when contacts update their information.

**Highlights:** Dynamic contact cards, Automatic syncing, Smart notifications, Cross-platform compatibility, One-tap updates, Private and secure sharing

**Features:** Vision Pro support

**In-app purchases:** none


### Keycal

[App page](https://appshunter.io/ios/app/keycal/id6744942632)

This keyboard extension provides a full calculator and unit converter directly within your typing interface. Seamlessly perform calculations and conversions without leaving your current application, enhancing productivity for everyday tasks.

**Highlights:** Integrated keyboard calculator, Instant unit conversions, Works across all apps, Customizable themes, Haptic feedback and sound, Privacy-focused design

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Keycal+ | $4.99 | one-time |


## Frequently asked questions

### Is Zella free?

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

### Is Keycal free?

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

### Do Zella or Keycal have ads?

Neither Zella nor Keycal shows ads.

### Which is updated more often, Zella or Keycal?

Zella ships an update every 2 weeks, and Keycal daily. Most recently, Zella was updated on November 3, 2026 and Keycal on October 30, 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.*