# Mike's Dive Store vs Certini

The clearest difference is update cadence: Mike's Dive Store at fortnightly against Certini's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Mike's Dive Store ships an update fortnightly, Certini every 3 months. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Mike's Dive Store | Certini |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Size | 57 MB | 48 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Mike's Dive Store](https://appshunter.io/developer/1641135286) | [Paul Sher](https://appshunter.io/developer/1062519234) |

## What reviewers say

### Mike's Dive Store

[App page](https://appshunter.io/ios/app/mikes-dive-store/id1641134684)

**Features:** macOS Compatibility

**In-app purchases:** none


### Certini

[App page](https://appshunter.io/ios/app/certini/id6755112745)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mike's Dive Store free?

Mike's Dive Store is free to download, with no in-app purchases.

### Is Certini free?

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

### Do Mike's Dive Store or Certini have ads?

Neither Mike's Dive Store nor Certini shows ads.

### Which is updated more often, Mike's Dive Store or Certini?

Mike's Dive Store ships an update fortnightly, and Certini every 3 months. Most recently, Mike's Dive Store was updated on October 25, 2026 and Certini 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.*