# BooknFly vs TripGain V2

The clearest difference is device support: BooknFly at 3 against TripGain V2's 1. BooknFly also leads on iOS requirement (11.0 vs 16.0). On price, 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.

## The numbers

| Metric | BooknFly | TripGain V2 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Size | 18 MB | 72 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [iWeen Software Solutions Private Limited](https://appshunter.io/developer/892677651) | [Tripgain](https://appshunter.io/developer/1236409026) |

## What reviewers say

### BooknFly

[App page](https://appshunter.io/ios/app/booknfly/id1577985887)

**Features:** macOS Compatibility

**In-app purchases:** none


### TripGain V2

[App page](https://appshunter.io/ios/app/tripgain-v2/id6476140168)

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

**In-app purchases:** none


## Frequently asked questions

### Is BooknFly free?

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

### Is TripGain V2 free?

TripGain V2 is free to download, with no in-app purchases.

### Do BooknFly or TripGain V2 have ads?

Neither BooknFly nor TripGain V2 shows ads.

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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.*