# SAL SPU vs Thinger.io

The clearest difference is update cadence: SAL SPU at every 3 weeks against Thinger.io's every 9 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SAL SPU ships an update every 3 weeks, Thinger.io every 9 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SAL SPU | Thinger.io |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 9 months |
| Size | 55 MB | 82 MB |
| Requires iOS | **12.4** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Smart Marine Technologies](https://appshunter.io/developer/1737810226) | [Internet of Thinger](https://appshunter.io/developer/1748830745) |

## What reviewers say

### SAL SPU

[App page](https://appshunter.io/ios/app/sal-spu-100/id6479996680)

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

**In-app purchases:** none


### Thinger.io

[App page](https://appshunter.io/ios/app/thingerio/id6503300549)

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

**In-app purchases:** none


## Frequently asked questions

### Is SAL SPU free?

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

### Is Thinger.io free?

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

### Do SAL SPU or Thinger.io have ads?

Neither SAL SPU nor Thinger.io shows ads.

### Which is updated more often, SAL SPU or Thinger.io?

SAL SPU ships an update every 3 weeks, and Thinger.io every 9 months. Most recently, SAL SPU was updated on October 27, 2026 and Thinger.io on October 25, 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.*