# Unify CRM vs Base.vn Caller

The clearest difference is update cadence: Base.vn Caller at fortnightly against Unify CRM's every 3 months. Unify CRM's advantage is iOS requirement (12.4 vs 15.5). 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.

Unify CRM ships an update every 3 months, Base.vn Caller fortnightly. The most recent releases landed on September 10, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Unify CRM | Base.vn Caller |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Size | 28 MB | 109 MB |
| Requires iOS | **12.4** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BASE BS CORPORATION](https://appshunter.io/developer/1533619007) | [Base Enterprise Joint Stock Company](https://appshunter.io/developer/1364844470) |

## What reviewers say

### Unify CRM

[App page](https://appshunter.io/ios/app/unify-crm/id1558031358)

**Features:** macOS Compatibility

**In-app purchases:** none


### Base.vn Caller

[App page](https://appshunter.io/ios/app/basevn-caller/id6737998580)

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

**In-app purchases:** none


## Frequently asked questions

### Is Unify CRM free?

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

### Is Base.vn Caller free?

Base.vn Caller is free to download, with no in-app purchases.

### Do Unify CRM or Base.vn Caller have ads?

Neither Unify CRM nor Base.vn Caller shows ads.

### Which is updated more often, Unify CRM or Base.vn Caller?

Unify CRM ships an update every 3 months, and Base.vn Caller fortnightly. Most recently, Unify CRM was updated on September 10, 2026 and Base.vn Caller on September 8, 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.*