# 智慧农业 vs SoloEcho

The clearest difference is in-app purchases: 智慧农业 at none against SoloEcho's 1. 智慧农业 also leads on update cadence (every 2 weeks vs every 5 weeks) and iOS requirement (15.6 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. SoloEcho sells 1 one-off in-app purchase. 智慧农业 asks for nothing beyond the download.

智慧农业 ships an update every 2 weeks, SoloEcho every 5 weeks. The most recent releases landed on October 16, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 智慧农业 | SoloEcho |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Size | 1 MB | 5 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [天宇 杨](https://appshunter.io/developer/1778485193) | [恒俭 董](https://appshunter.io/developer/947356968) |

## What reviewers say

### 智慧农业

[App page](https://appshunter.io/ios/app/id6745237544)

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

**In-app purchases:** none


### SoloEcho

[App page](https://appshunter.io/ios/app/soloecho/id6760158629)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lifetime | $1.99 | one-time |


## Frequently asked questions

### Is 智慧农业 free?

智慧农业 is free to download, with no in-app purchases.

### Is SoloEcho free?

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

### Do 智慧农业 or SoloEcho have ads?

Neither 智慧农业 nor SoloEcho shows ads.

### Which is updated more often, 智慧农业 or SoloEcho?

智慧农业 ships an update every 2 weeks, and SoloEcho every 5 weeks. Most recently, 智慧农业 was updated on October 16, 2026 and SoloEcho on October 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.*