# THESIS ECM vs 1C

The clearest difference is iOS requirement: 1C at 13.0 against THESIS ECM'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.

THESIS ECM ships an update every 4 months, 1C every 3 months. The most recent releases landed on May 19, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | THESIS ECM | 1C |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 30.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 71 MB | 149 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Haulmont Development OOO](https://appshunter.io/developer/1033811743) | [1C-SOFT LIMITED LIABILITY COMPANY](https://appshunter.io/developer/1188302931) |

## What reviewers say

### THESIS ECM

[App page](https://appshunter.io/ios/app/thesis-ecm/id1343191505)

**In-app purchases:** none


### 1C

[App page](https://appshunter.io/ios/app/1cerp/id1464675518)

This mobile client connects to a corporate information system for enterprise resource management. It offers features for production, cost, performance, HR, sales, finance, and inventory management. Designed for businesses to automate operations and monitor performance.

**Highlights:** Production management, Cost management, Performance monitoring, HR and payroll, Sales management, Inventory management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is THESIS ECM free?

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

### Is 1C free?

1C is free to download, with no in-app purchases.

### Do THESIS ECM or 1C have ads?

Neither THESIS ECM nor 1C shows ads.

### Which is updated more often, THESIS ECM or 1C?

THESIS ECM ships an update every 4 months, and 1C every 3 months. Most recently, THESIS ECM was updated on May 19, 2026 and 1C on September 4, 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.*