# tachbook vs SkyDot

The clearest difference is ads: tachbook at none against SkyDot's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. tachbook sells 4 in-app purchases, starting at $2.99 per month and SkyDot sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

tachbook ships an update weekly, SkyDot every 10 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | tachbook | SkyDot |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 10 days |
| Size | 5 MB | 63 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Domingo Sandoval](https://appshunter.io/developer/6782415097) | [Jahanzaib Akhter](https://appshunter.io/developer/6788441958) |

## What reviewers say

### tachbook

[App page](https://appshunter.io/ios/app/tachbook/id6782415095)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| tachbook Pro mensual | $2.99 | per month |
| tachbook Pro anual | $24.99 | per year |
| 10 AI credits | $3.99 | one-time |
| 30 AI credits | $9.99 | one-time |


### SkyDot

[App page](https://appshunter.io/ios/app/skydot-offline-flight-tracker/id6788441956)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SkyDot Premium Monthly | $2.99 | per month |
| SkyDot Premium Annual | $12.99 | per year |
| SkyDot Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is tachbook free?

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

### Is SkyDot free?

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

### Do tachbook or SkyDot have ads?

SkyDot shows ads; tachbook does not.

### Which is updated more often, tachbook or SkyDot?

tachbook ships an update weekly, and SkyDot every 10 days. Most recently, tachbook was updated on October 25, 2026 and SkyDot on October 25, 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.*