# Epsilon Smart vs ATPro Partner

The clearest difference is update cadence: ATPro Partner at every 9 days against Epsilon Smart's every 4 months. 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.

Epsilon Smart ships an update every 4 months, ATPro Partner every 9 days. The most recent releases landed on October 21, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Epsilon Smart | ATPro Partner |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 27.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 102 MB | 67 MB |
| Requires iOS | **15.5** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Epsilon Net](https://appshunter.io/developer/466389243) | [PANTELEIMON STANIMEROS](https://appshunter.io/developer/1760581072) |

## What reviewers say

### Epsilon Smart

[App page](https://appshunter.io/ios/app/epsilon-smart/id1499629977)

Manage daily transactions for freelancers and small businesses with secure and fast tools. Features include sales document generation, income/expense tracking, inventory management, and CRM functionalities.

**Highlights:** Sales document generation, Income and expense tracking, Service management, Inventory and item tracking, Financial transaction monitoring, CRM calendar, Contact and appointment management

**Features:** macOS Compatibility

**In-app purchases:** none


### ATPro Partner

[App page](https://appshunter.io/ios/app/atpro-partner/id6743795030)

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

**In-app purchases:** none


## Frequently asked questions

### Is Epsilon Smart free?

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

### Is ATPro Partner free?

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

### Do Epsilon Smart or ATPro Partner have ads?

Neither Epsilon Smart nor ATPro Partner shows ads.

### Which is updated more often, Epsilon Smart or ATPro Partner?

Epsilon Smart ships an update every 4 months, and ATPro Partner every 9 days. Most recently, Epsilon Smart was updated on October 21, 2026 and ATPro Partner on October 9, 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.*