# DIGO IoT vs Shift Calendar

The clearest difference is device support: DIGO IoT at 3 against Shift Calendar's 1. DIGO IoT also leads on iOS requirement (14.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 10, 2026 and May 22, 2026 respectively.

## The numbers

| Metric | DIGO IoT | Shift Calendar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 192 MB | 12 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [DIGO TECHNOLOGY JOINT STOCK COMPANY](https://appshunter.io/developer/1639797221) | [Vu Trong](https://appshunter.io/developer/1878635735) |

## What reviewers say

### DIGO IoT

[App page](https://appshunter.io/ios/app/digo-iot/id1660696213)

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

**In-app purchases:** none


### Shift Calendar

[App page](https://appshunter.io/ios/app/shift-calendar-shift-planner/id6760978159)

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

**In-app purchases:** none


## Frequently asked questions

### Is DIGO IoT free?

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

### Is Shift Calendar free?

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

### Do DIGO IoT or Shift Calendar have ads?

Neither DIGO IoT nor Shift Calendar shows ads.

### Which is updated more often, DIGO IoT or Shift Calendar?

DIGO IoT ships an update every 3 weeks, and Shift Calendar every 3 weeks. Most recently, DIGO IoT was updated on September 10, 2026 and Shift Calendar on May 22, 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.*