# onshift vs CalShift

The clearest difference is update cadence: onshift at every 6 days against CalShift's every 3 months. CalShift's advantage is iOS requirement (13.0 vs 16). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. onshift sells 2 one-off in-app purchases and CalShift sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

onshift ships an update every 6 days, CalShift every 3 months. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | onshift | CalShift |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 3 months |
| Size | 3 MB | 30 MB |
| Requires iOS | 16 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [朱涛 戴](https://appshunter.io/developer/1675226784) | [Zhihao Yang](https://appshunter.io/developer/1466209376) |

## What reviewers say

### onshift

[App page](https://appshunter.io/ios/app/onshift-autoalarm/id6502572759)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Permanent VIP | $2.99 | one-time |
| Permanent VIP | $9.99 | one-time |


### CalShift

[App page](https://appshunter.io/ios/app/calshift-shift-work-calendar/id6758676304)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Shift Pro | $0.99 | one-time |


## Frequently asked questions

### Is onshift free?

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

### Is CalShift free?

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

### Do onshift or CalShift have ads?

Neither onshift nor CalShift shows ads.

### Which is updated more often, onshift or CalShift?

onshift ships an update every 6 days, and CalShift every 3 months. Most recently, onshift was updated on October 7, 2026 and CalShift on October 13, 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.*