# SMTP Lookup vs Boil

The clearest difference is in-app purchases: SMTP Lookup at none against Boil's 3. SMTP Lookup also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.1). On price and ads there is nothing between them.

Both are free to download. Boil sells 3 one-off in-app purchases. SMTP Lookup asks for nothing beyond the download.

## The numbers

| Metric | SMTP Lookup | Boil |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 8 months |
| Size | 37 MB | 1 MB |
| Requires iOS | **12.0** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Paul Barlow](https://appshunter.io/developer/1093150218) | [Elias Gander](https://appshunter.io/developer/1673176982) |

## What reviewers say

### SMTP Lookup

[App page](https://appshunter.io/ios/app/smtp-lookup/id6468663395)

**Features:** macOS Compatibility

**In-app purchases:** none


### Boil

[App page](https://appshunter.io/ios/app/boil/id6737129488)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small tip | $2.99 | one-time |
| Medium tip | $5.99 | one-time |
| Large tip | $9.99 | one-time |


## Frequently asked questions

### Is SMTP Lookup free?

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

### Is Boil free?

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

### Do SMTP Lookup or Boil have ads?

Neither SMTP Lookup nor Boil shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*