# ZuluCall vs TrustCall BD

The clearest difference is in-app purchases: ZuluCall at none against TrustCall BD's 3. TrustCall BD's advantage is update cadence (monthly vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. TrustCall BD sells 3 one-off in-app purchases. ZuluCall asks for nothing beyond the download.

ZuluCall ships an update every 6 months, TrustCall BD monthly. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ZuluCall | 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 104 MB | 193 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ZuluCare, LLC](https://appshunter.io/developer/1512243230) | [TRUST Innovation Ltd](https://appshunter.io/developer/1896703742) |

## What reviewers say

### ZuluCall

[App page](https://appshunter.io/ios/app/zulucall/id1512243232)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 ZuluCall free?

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

### Is TrustCall BD free?

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

### Do ZuluCall or TrustCall BD have ads?

Neither ZuluCall nor TrustCall BD shows ads.

### Which is updated more often, ZuluCall or TrustCall BD?

ZuluCall ships an update every 6 months, and TrustCall BD monthly. Most recently, ZuluCall was updated on October 25, 2026 and TrustCall BD on October 31, 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.*