# Mailinblack vs OdooProjects

The clearest difference is price: Mailinblack at Free against OdooProjects's $5.99. Mailinblack also leads on update cadence (every 3 weeks vs every 3 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Mailinblack is free to download; OdooProjects costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Mailinblack ships an update every 3 weeks, OdooProjects every 3 months. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Mailinblack | OdooProjects |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 102 MB | 6 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [Mailinblack](https://appshunter.io/developer/1465120919) | [SIGMASIX sàrl](https://appshunter.io/developer/1853036292) |

## What reviewers say

### Mailinblack

[App page](https://appshunter.io/ios/app/mailinblack/id6464315792)

**In-app purchases:** none


### OdooProjects

[App page](https://appshunter.io/ios/app/odooprojects/id6761519838)

**In-app purchases:** none


## Frequently asked questions

### Is Mailinblack free?

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

### Is OdooProjects free?

OdooProjects costs $5.99, with no in-app purchases.

### Do Mailinblack or OdooProjects have ads?

Neither Mailinblack nor OdooProjects shows ads.

### Which is updated more often, Mailinblack or OdooProjects?

Mailinblack ships an update every 3 weeks, and OdooProjects every 3 months. Most recently, Mailinblack was updated on October 13, 2026 and OdooProjects on October 9, 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.*