# StampMap vs Number Flow

The clearest difference is in-app purchases: Number Flow at none against StampMap's 5. Number Flow also leads on iOS requirement (12.0 vs 15.0). StampMap's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. StampMap sells 5 in-app purchases, starting at $0.99 per month. Number Flow asks for nothing beyond the download.

## The numbers

| Metric | StampMap | Number Flow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (23 ratings)](https://appshunter.io/ios/app/stampmap-findgoshuinpostmark/id6502387296/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 69.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | — |
| Monetization | Free with in-app purchases | — |
| Size | 97 MB | 31 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Lawliet Co., Ltd](https://appshunter.io/developer/1264542103) | [Shaomin Hu](https://appshunter.io/developer/1874239451) |

## What reviewers say

### StampMap

[App page](https://appshunter.io/ios/app/stampmap-findgoshuinpostmark/id6502387296)

Discover and log unique stamps from around the world, including scenic, museum, and post office stamps. Create a personal log with photos, dates, and locations to build a comprehensive stamp collection and turn each stamp into a travel memory.

**Highlights:** Discover global stamp spots, Record stamp photos, dates, and locations, Organize personal stamp collection, Build stamp album and map, Track travel journeys with stamps

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| 7-Day VIP | $0.99 | per 7 days |
| Annual VIP | $3.99 | per year |
| LifeTimeVIP(Discount) | $5.99 | one-time |
| Lifetime VIP | $12.99 | one-time |


### Number Flow

[App page](https://appshunter.io/ios/app/number-flow-sequence-puzzle/id6761104500)

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

**In-app purchases:** none


## Frequently asked questions

### Is StampMap free?

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

### Is Number Flow free?

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

### Do StampMap or Number Flow have ads?

Number Flow shows ads; StampMap does not.

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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.*