# OliveBox Appointments vs isotanks

The clearest difference is device support: isotanks at 3 against OliveBox Appointments's 1. isotanks also leads on iOS requirement (14.0 vs 18.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

OliveBox Appointments ships an update every 6 weeks, isotanks every 5 weeks. The most recent releases landed on October 3, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | OliveBox Appointments | isotanks |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Size | 91 MB | 16 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [GORAZD SPAJZER](https://appshunter.io/developer/1832302843) | [ICL](https://appshunter.io/developer/1448123882) |

## What reviewers say

### OliveBox Appointments

[App page](https://appshunter.io/ios/app/olivebox-appointments/id6749822684)

**Features:** macOS Compatibility

**In-app purchases:** none


### isotanks

[App page](https://appshunter.io/ios/app/isotanks/id6751235009)

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

**In-app purchases:** none


## Frequently asked questions

### Is OliveBox Appointments free?

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

### Is isotanks free?

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

### Do OliveBox Appointments or isotanks have ads?

Neither OliveBox Appointments nor isotanks shows ads.

### Which is updated more often, OliveBox Appointments or isotanks?

OliveBox Appointments ships an update every 6 weeks, and isotanks every 5 weeks. Most recently, OliveBox Appointments was updated on October 3, 2026 and isotanks on October 16, 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.*