# AmberIT PABX vs TrustCall BD

The clearest difference is update cadence: TrustCall BD at monthly against AmberIT PABX's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AmberIT PABX sells 5 one-off in-app purchases and TrustCall BD sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

AmberIT PABX ships an update every 2 months, TrustCall BD monthly. The most recent releases landed on October 10, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | AmberIT PABX | TrustCall BD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/trustcall-bd/id6769958066/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 99 MB | 193 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AmberIT Limited](https://appshunter.io/developer/738947592) | [TRUST Innovation Ltd](https://appshunter.io/developer/1896703742) |

## What reviewers say

### AmberIT PABX

[App page](https://appshunter.io/ios/app/amberit-pabx/id1620294980)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AmberIt Package 1 | $4.99 | one-time |
| AmberIt Package 2 | $9.99 | one-time |
| AmberIt Package 3 | $14.99 | one-time |
| AmberIt Package 4 | $19.99 | one-time |
| AmberIt Package 5 | $24.99 | one-time |


### TrustCall BD

[App page](https://appshunter.io/ios/app/trustcall-bd/id6769958066)

Make direct calls from your smartphone to traditional button phones without requiring internet on the receiver's end. Enjoy significant cost savings on calls, with clear HD voice and reliable connections. The app also offers group calling, messaging, and video calls.

**Highlights:** Direct calls to button phones, No internet required for receiver, Low per-call cost (0.40 poisha), Pay per second, Save up to 70% on call costs, Free calls between TrustCall users, HD voice quality, Group calling, messaging, video calls

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TrustCall Tier 1 | $0.99 | one-time |
| TrustCall Tier 2 | $1.99 | one-time |
| TrustCall Tier 3 | $2.99 | one-time |


## Frequently asked questions

### Is AmberIT PABX free?

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

### Is TrustCall BD free?

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

### Do AmberIT PABX or TrustCall BD have ads?

Neither AmberIT PABX nor TrustCall BD shows ads.

### Which is updated more often, AmberIT PABX or TrustCall BD?

AmberIT PABX ships an update every 2 months, and TrustCall BD monthly. Most recently, AmberIT PABX was updated on October 10, 2026 and TrustCall BD on October 23, 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.*