# Building Stack vs ChangeTime

The clearest difference is update cadence: ChangeTime at every 4 days against Building Stack's every 9 days. Building Stack's advantage is iOS requirement (15.6 vs 26.5). On price, ads, in-app purchases and device support there is nothing between them.

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

Building Stack ships an update every 9 days, ChangeTime every 4 days. The most recent releases landed on October 18, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Building Stack | ChangeTime |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (28 ratings)](https://appshunter.io/ios/app/building-stack-tenant-portal/id1455384901/reviews)** | — |
| Number of ratings | **28** | — |
| Positive reviews | 19.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 85 MB | 7 MB |
| Requires iOS | **15.6** | 26.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Gotham Management Inc](https://appshunter.io/developer/1022472337) | [Formatix, LLC](https://appshunter.io/developer/6791797418) |

## What reviewers say

### Building Stack

[App page](https://appshunter.io/ios/app/building-stack-tenant-portal/id1455384901)

This app provides a mobile platform for property managers and tenants to access and manage rental property information. Tenants can submit maintenance requests, view building documents, and pay rent, while managers can handle rent payments, find new tenants, and communicate with residents.

**Highlights:** Submit maintenance requests, View building information and documents, Pay rent online, Receive real-time notifications, Manage tenant contact information, Automated listing process for new tenants, Track and manage maintenance issues

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

**In-app purchases:** none


### ChangeTime

[App page](https://appshunter.io/ios/app/changetime/id6795204263)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Building Stack free?

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

### Is ChangeTime free?

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

### Do Building Stack or ChangeTime have ads?

Neither Building Stack nor ChangeTime shows ads.

### Which is updated more often, Building Stack or ChangeTime?

Building Stack ships an update every 9 days, and ChangeTime every 4 days. Most recently, Building Stack was updated on October 18, 2026 and ChangeTime on October 3, 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.*