# Boolder vs Not a Topo

The clearest difference is ads: Boolder at none against Not a Topo's shown. Boolder also leads on update cadence (fortnightly vs every 6 weeks). Not a Topo's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Boolder sells 1 in-app purchase, starting at $12.99 per year and Not a Topo sells 2 in-app purchases, starting at $2.49 per month. Whichever you choose, the download price is not the number that matters.

Boolder ships an update fortnightly, Not a Topo every 6 weeks. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Boolder | Not a Topo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (27 ratings)](https://appshunter.io/ios/app/boolder/id1506614493/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 96.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | Free | — |
| Size | 38 MB | 98 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ivann, Pascal, Nikola MORICE](https://appshunter.io/developer/1741497477) | [Optimized Data Science](https://appshunter.io/developer/1523049904) |

## What reviewers say

### Boolder

[App page](https://appshunter.io/ios/app/boolder/id1506614493)

Discover bouldering routes in Fontainebleau with this comprehensive guide. Features a GPS-enabled map with topo photos to find boulders suited to your skill level across over 80 areas. Save your ascents and favorite problems, with offline access for uninterrupted exploration.

**Highlights:** GPS-enabled map, Topo photos, Over 80 bouldering areas, Save ascents and favorites, Offline mode

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Boolder Premium (1 year) | $12.99 | per year |


### Not a Topo

[App page](https://appshunter.io/ios/app/not-a-topo/id1553844102)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $2.49 | per month |
| 7 day Not a Topo subscription | $5.99 | one-time |


## Frequently asked questions

### Is Boolder free?

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

### Is Not a Topo free?

Not a Topo is free to download, with in-app purchases available.

### Do Boolder or Not a Topo have ads?

Not a Topo shows ads; Boolder does not.

### Which is updated more often, Boolder or Not a Topo?

Boolder ships an update fortnightly, and Not a Topo every 6 weeks. Most recently, Boolder was updated on November 11, 2026 and Not a Topo on November 3, 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.*