# PrimeBase vs ATELITH

The clearest difference is update cadence: ATELITH at every 3 days against PrimeBase's every 8 days. PrimeBase's advantage is iOS requirement (15.1 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PrimeBase sells 3 in-app purchases, starting at $36.00 per month and ATELITH sells 6 in-app purchases, starting at $59.99 per month. Whichever you choose, the download price is not the number that matters.

PrimeBase ships an update every 8 days, ATELITH every 3 days. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | PrimeBase | ATELITH |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/atelith-ai-pm/id6768155003/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 78 MB | 6 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [VividSphere LLP](https://appshunter.io/developer/1710915076) | [HATCH MEDIA LLC](https://appshunter.io/developer/543730324) |

## What reviewers say

### PrimeBase

[App page](https://appshunter.io/ios/app/primebase-invoice-inventory/id6757923804)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Monthly | $36.00 | per month |
| Growth Monthly | $99.00 | per month |
| Business Monthly | $224.99 | per month |


### ATELITH

[App page](https://appshunter.io/ios/app/atelith-ai-pm/id6768155003)

This app streamlines project management for architecture firms, covering all design phases from pre-design to construction administration. It features an AI agent to answer practice-related questions and manage tasks, alongside tools for scheduling, fee tracking, and team coordination.

**Highlights:** AI Project Manager Agent, Project tracking across design phases, Gantt scheduling, Punch lists and field reports, Fee estimation and analytics, Team and consultant coordination, Universal iOS app

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Studio Monthly | $59.99 | per month |
| Studio Monthly | $59.99 | per month |
| Studio AI — Monthly | $99.99 | per month |
| Studio Annual | $599.00 | per year |
| Studio Annual | $599.00 | per year |
| Studio AI - Annual | $959.00 | per year |


## Frequently asked questions

### Is PrimeBase free?

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

### Is ATELITH free?

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

### Do PrimeBase or ATELITH have ads?

Neither PrimeBase nor ATELITH shows ads.

### Which is updated more often, PrimeBase or ATELITH?

PrimeBase ships an update every 8 days, and ATELITH every 3 days. Most recently, PrimeBase was updated on October 24, 2026 and ATELITH on October 19, 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.*