# Otis Borescope vs MAL 33 Tracker

The clearest difference is ads: Otis Borescope at none against MAL 33 Tracker's shown. Otis Borescope also leads on iOS requirement (8.0 vs 15.0). On price, update cadence, 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.

Otis Borescope ships an update every 5 weeks, MAL 33 Tracker every 3 weeks. The most recent releases landed on October 19, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Otis Borescope | MAL 33 Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Size | 12 MB | 36 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [志强 童](https://appshunter.io/developer/1214909933) | [Janarthan Nagendiran](https://appshunter.io/developer/1877884320) |

## What reviewers say

### Otis Borescope

[App page](https://appshunter.io/ios/app/otis-borescope/id1555224637)

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

**In-app purchases:** none


### MAL 33 Tracker

[App page](https://appshunter.io/ios/app/mal-33-tracker/id1612033864)

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

**In-app purchases:** none


## Frequently asked questions

### Is Otis Borescope free?

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

### Is MAL 33 Tracker free?

MAL 33 Tracker is free to download, with no in-app purchases.

### Do Otis Borescope or MAL 33 Tracker have ads?

MAL 33 Tracker shows ads; Otis Borescope does not.

### Which is updated more often, Otis Borescope or MAL 33 Tracker?

Otis Borescope ships an update every 5 weeks, and MAL 33 Tracker every 3 weeks. Most recently, Otis Borescope was updated on October 19, 2026 and MAL 33 Tracker 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.*