# Stamper vs 海拔指南针

The clearest difference is price: 海拔指南针 at Free against Stamper's $1.99. Stamper's advantage is in-app purchases (none vs 1). On update cadence, ads, device support and iOS requirement there is nothing between them.

海拔指南针 is free to download; Stamper costs $1.99 up front. 海拔指南针 sells 1 in-app purchase, starting at $6.99 per 7 days. Stamper asks for nothing beyond the download.

Stamper ships an update every 3 weeks, 海拔指南针 every 5 weeks. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Stamper | 海拔指南针 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Size | 4 MB | 12 MB |
| Requires iOS | **14.0** | 15 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Yipeng Huang](https://appshunter.io/developer/1472467824) | [美洁 赵](https://appshunter.io/developer/1866817276) |

## What reviewers say

### Stamper

[App page](https://appshunter.io/ios/app/stamper/id1472467825)

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

**In-app purchases:** none


### 海拔指南针

[App page](https://appshunter.io/ios/app/id6757733419)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 海拔指南针-包周高级会员 | $6.99 | per 7 days |


## Frequently asked questions

### Is Stamper free?

Stamper costs $1.99, with no in-app purchases.

### Is 海拔指南针 free?

海拔指南针 is free to download, with in-app purchases available.

### Do Stamper or 海拔指南针 have ads?

Neither Stamper nor 海拔指南针 shows ads.

### Which is updated more often, Stamper or 海拔指南针?

Stamper ships an update every 3 weeks, and 海拔指南针 every 5 weeks. Most recently, Stamper was updated on November 6, 2026 and 海拔指南针 on November 5, 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.*