# TDSEE SOLAR vs Quick Unit Currency

The clearest difference is in-app purchases: TDSEE SOLAR at none against Quick Unit Currency's 1. Quick Unit Currency's advantage is update cadence (every 3 months vs every 8 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Quick Unit Currency sells 1 one-off in-app purchase. TDSEE SOLAR asks for nothing beyond the download.

TDSEE SOLAR ships an update every 8 months, Quick Unit Currency every 3 months. Both last shipped on October 11, 2026.

## The numbers

| Metric | TDSEE SOLAR | Quick Unit Currency |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 months** |
| Size | 177 MB | 25 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Tenda Technology Co.,Ltd.](https://appshunter.io/developer/931811110) | [MBDTECH LTD](https://appshunter.io/developer/1817225204) |

## What reviewers say

### TDSEE SOLAR

[App page](https://appshunter.io/ios/app/tdsee-solar/id6748896177)

**Features:** macOS Compatibility

**In-app purchases:** none


### Quick Unit Currency

[App page](https://appshunter.io/ios/app/quick-unit-currency/id6756127690)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| remove_ads_lifetime_unit | $1.99 | one-time |


## Frequently asked questions

### Is TDSEE SOLAR free?

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

### Is Quick Unit Currency free?

Quick Unit Currency is free to download, with in-app purchases available.

### Do TDSEE SOLAR or Quick Unit Currency have ads?

Neither TDSEE SOLAR nor Quick Unit Currency shows ads.

### Which is updated more often, TDSEE SOLAR or Quick Unit Currency?

TDSEE SOLAR ships an update every 8 months, and Quick Unit Currency every 3 months. Most recently, TDSEE SOLAR was updated on October 11, 2026 and Quick Unit Currency on October 11, 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.*