# Vly vs The Summit Book

The clearest difference is in-app purchases: Vly at none against The Summit Book's 6. Vly also leads on update cadence (every 5 days vs every 3 weeks). The Summit Book's advantage is iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. The Summit Book sells 6 in-app purchases, starting at $1.99 per month. Vly asks for nothing beyond the download.

Vly ships an update every 5 days, The Summit Book every 3 weeks. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Vly | The Summit Book |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/the-summit-book/id6670344130/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 91 MB | 63 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Long Ngo Huynh](https://appshunter.io/developer/869326362) | [Silmaril Labs, LLC](https://appshunter.io/developer/1565904133) |

## What reviewers say

### Vly

[App page](https://appshunter.io/ios/app/vly-3d-route-studio/id6630384401)

**Features:** macOS Compatibility

**In-app purchases:** none


### The Summit Book

[App page](https://appshunter.io/ios/app/the-summit-book/id6670344130)

Digitally verify mountain ascents using GPS, record your adventures, and leave your mark on a digital summit book. Discover new peaks, share personalized summit certificates, and connect with a community of climbers.

**Highlights:** GPS-verified summit ascents, Digital summit book entries, Discover new peaks, Personalized summit certificates, Climbing community connection, Record adventure details

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Explorer Pass | $1.99 | per month |
| 3 Months | $4.99 | per 3 months |
| Explorer Pass | $14.99 | per year |
| 1 Signature | $0.99 | one-time |
| 3 Signatures | $1.99 | one-time |
| 10 Signatures | $4.99 | one-time |


## Frequently asked questions

### Is Vly free?

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

### Is The Summit Book free?

The Summit Book is free to download, with in-app purchases available.

### Do Vly or The Summit Book have ads?

Neither Vly nor The Summit Book shows ads.

### Which is updated more often, Vly or The Summit Book?

Vly ships an update every 5 days, and The Summit Book every 3 weeks. Most recently, Vly was updated on November 4, 2026 and The Summit Book on October 30, 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.*