# ZenSee vs Soln

The clearest difference is in-app purchases: ZenSee at none against Soln's 1. Soln's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Soln sells 1 one-off in-app purchase. ZenSee asks for nothing beyond the download.

ZenSee ships an update every 9 days, Soln every 3 weeks. The most recent releases landed on September 21, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | ZenSee | Soln |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Size | 22 MB | 3 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [宇 占](https://appshunter.io/developer/1885849644) | [Nan Yu](https://appshunter.io/developer/1559044036) |

## What reviewers say

### ZenSee

[App page](https://appshunter.io/ios/app/zensee/id6760809128)

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

**In-app purchases:** none


### Soln

[App page](https://appshunter.io/ios/app/soln/id6772215173)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Soln | $5.99 | one-time |


## Frequently asked questions

### Is ZenSee free?

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

### Is Soln free?

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

### Do ZenSee or Soln have ads?

Neither ZenSee nor Soln shows ads.

### Which is updated more often, ZenSee or Soln?

ZenSee ships an update every 9 days, and Soln every 3 weeks. Most recently, ZenSee was updated on September 21, 2026 and Soln on September 9, 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.*