# R ZO Operations vs DayStack

The clearest difference is iOS requirement: R ZO Operations at 13.0 against DayStack's 15.1. 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.

R ZO Operations ships an update every 8 days, DayStack weekly. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | R ZO Operations | DayStack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 days | **Weekly** |
| Size | 104 MB | 45 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mohammed Alhutami](https://appshunter.io/developer/1872614503) | [Gowin Arachchige Shanuka Chandimala](https://appshunter.io/developer/1874517805) |

## What reviewers say

### R ZO Operations

[App page](https://appshunter.io/ios/app/r-zo-operations/id6758376464)

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

**In-app purchases:** none


### DayStack

[App page](https://appshunter.io/ios/app/daystack-daily-task-manager/id6758696547)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is R ZO Operations free?

R ZO Operations is free to download, with no in-app purchases.

### Is DayStack free?

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

### Do R ZO Operations or DayStack have ads?

Neither R ZO Operations nor DayStack shows ads.

### Which is updated more often, R ZO Operations or DayStack?

R ZO Operations ships an update every 8 days, and DayStack weekly. Most recently, R ZO Operations was updated on October 7, 2026 and DayStack on October 12, 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.*