# Implen NanoPhotometer vs TS

The clearest difference is device support: Implen NanoPhotometer at 3 against TS's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Implen NanoPhotometer ships an update every 3 months, TS every 4 months. The most recent releases landed on October 9, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Implen NanoPhotometer | TS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Size | 54 MB | 11 MB |
| Requires iOS | 10.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Implen Inc.](https://appshunter.io/developer/988716674) | [广东保伦电子股份有限公司](https://appshunter.io/developer/933187149) |

## What reviewers say

### Implen NanoPhotometer

[App page](https://appshunter.io/ios/app/implen-nanophotometer/id988716675)

**Features:** macOS Compatibility

**In-app purchases:** none


### TS

[App page](https://appshunter.io/ios/app/ts-20pd-4/id1466722676)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Implen NanoPhotometer free?

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

### Is TS free?

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

### Do Implen NanoPhotometer or TS have ads?

Neither Implen NanoPhotometer nor TS shows ads.

### Which is updated more often, Implen NanoPhotometer or TS?

Implen NanoPhotometer ships an update every 3 months, and TS every 4 months. Most recently, Implen NanoPhotometer was updated on October 9, 2026 and TS on September 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*