# Smart e vs 纪念宝

The clearest difference is in-app purchases: Smart e at none against 纪念宝's 7. Smart e also leads on iOS requirement (10.0 vs 15.6). 纪念宝's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. 纪念宝 sells 7 one-off in-app purchases. Smart e asks for nothing beyond the download.

Smart e ships an update every 3 months, 纪念宝 every 3 weeks. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Smart e | 纪念宝 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/smart-e-firecracker/id1478861569/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 14 MB | 33 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [奇勇 颜](https://appshunter.io/developer/1278807009) | [北京丈量世界科技有限公司](https://appshunter.io/developer/1358962802) |

## What reviewers say

### Smart e

[App page](https://appshunter.io/ios/app/smart-e-firecracker/id1478861569)

Control an electronic firecracker machine using Bluetooth Low Energy. This utility app connects directly without requiring a pairing code, making it simple to install and use.

**Highlights:** Bluetooth BLE control, Electronic firecracker machine operation, No pairing code required, Easy installation and use

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

**In-app purchases:** none


### 纪念宝

[App page](https://appshunter.io/ios/app/id1557818098)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1元的纪念币 | $0.99 | one-time |
| 6元的纪念币 | $0.99 | one-time |
| 30元的纪念币 | $3.99 | one-time |
| 98元的纪念币 | $14.99 | one-time |
| 198元的纪念币 | $29.99 | one-time |
| 298元的纪念币 | $39.99 | one-time |
| 588元的纪念币 | $79.99 | one-time |


## Frequently asked questions

### Is Smart e free?

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

### Is 纪念宝 free?

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

### Do Smart e or 纪念宝 have ads?

Neither Smart e nor 纪念宝 shows ads.

### Which is updated more often, Smart e or 纪念宝?

Smart e ships an update every 3 months, and 纪念宝 every 3 weeks. Most recently, Smart e was updated on October 14, 2026 and 纪念宝 on October 8, 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.*