# ZeroBounce vs Block

The clearest difference is update cadence: Block at every 3 days against ZeroBounce's every 9 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ZeroBounce sells 7 one-off in-app purchases and Block sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ZeroBounce ships an update every 9 days, Block every 3 days. The most recent releases landed on October 9, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | ZeroBounce | Block |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/zerobounce/id1671793296/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 68 MB | 48 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ZeroBounce](https://appshunter.io/developer/1671793298) | [Naeem Sani](https://appshunter.io/developer/1766013482) |

## What reviewers say

### ZeroBounce

[App page](https://appshunter.io/ios/app/zerobounce/id1671793296)

This service offers a fast and secure way to validate email addresses, ensuring your messages reach their intended recipients. It helps improve open rates and ROI with high accuracy, AI-driven scoring, and deliverability tools.

**Highlights:** Email list validation, Real-time bulk checking, AI-driven email scoring, Deliverability tools, Blacklist alerts

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 2000 credits | $39.00 | one-time |
| 5000 credits | $69.00 | one-time |
| 10000 credits | $129.00 | one-time |
| 25000 credits | $274.99 | one-time |
| 50000 credits | $499.00 | one-time |
| 100000 credits | $649.00 | one-time |
| 250000 credits | $1000.00 | one-time |


### Block

[App page](https://appshunter.io/ios/app/block-habit-tracker/id6758776292)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Premium Yearly - Best Value! | $29.99 | per year |


## Frequently asked questions

### Is ZeroBounce free?

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

### Is Block free?

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

### Do ZeroBounce or Block have ads?

Neither ZeroBounce nor Block shows ads.

### Which is updated more often, ZeroBounce or Block?

ZeroBounce ships an update every 9 days, and Block every 3 days. Most recently, ZeroBounce was updated on October 9, 2026 and Block on October 18, 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.*