# ShiftLens Calendar vs ShiftKal

The clearest difference is iOS requirement: ShiftKal at 18.6 against ShiftLens Calendar's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. ShiftLens Calendar sells 3 in-app purchases, starting at $1.99 per month and ShiftKal sells 6 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ShiftLens Calendar ships an update every 2 weeks, ShiftKal every 10 days. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | ShiftLens Calendar | ShiftKal |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Size | 7 MB | 74 MB |
| Requires iOS | 26.0 | **18.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Efthymios Tampouris](https://appshunter.io/developer/1894689245) | [Hung Le Ngoc](https://appshunter.io/developer/1893907037) |

## What reviewers say

### ShiftLens Calendar

[App page](https://appshunter.io/ios/app/shiftlens-calendar/id6763584318)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ShiftLens Pro Monthly | $1.99 | per month |
| ShiftLens Pro Yearly | $12.99 | per year |
| ShiftLens Pro Lifetime | $24.99 | one-time |


### ShiftKal

[App page](https://appshunter.io/ios/app/shiftkal-shift-work-calendar/id6784589897)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Yearly | $12.99 | per year |
| Scan Credit | $0.99 | one-time |
| Scan Credit | $1.99 | one-time |
| Scan Credit 10 | $2.99 | one-time |
| Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is ShiftLens Calendar free?

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

### Is ShiftKal free?

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

### Do ShiftLens Calendar or ShiftKal have ads?

Neither ShiftLens Calendar nor ShiftKal shows ads.

### Which is updated more often, ShiftLens Calendar or ShiftKal?

ShiftLens Calendar ships an update every 2 weeks, and ShiftKal every 10 days. Most recently, ShiftLens Calendar was updated on October 8, 2026 and ShiftKal on October 6, 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.*