# TrueDot vs Portable Light Meter

The clearest difference is in-app purchases: Portable Light Meter at none against TrueDot's 1. Portable Light Meter also leads on price ($0.99 vs $1.99). TrueDot's advantage is update cadence (every 6 days vs every 8 months). On ads, device support and iOS requirement there is nothing between them.

TrueDot costs $1.99 and Portable Light Meter $0.99 up front. TrueDot sells 1 one-off in-app purchase. Portable Light Meter asks for nothing beyond the download.

TrueDot ships an update every 6 days, Portable Light Meter every 8 months. The most recent releases landed on October 20, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | TrueDot | Portable Light Meter |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | **[3.5 (4 ratings)](https://appshunter.io/ios/app/truedot/id6504784441/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 8 months |
| Monetization | Free with in-app purchases | — |
| Size | 21 MB | 1 MB |
| Requires iOS | **16** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Powerless Co., Ltd](https://appshunter.io/developer/1738728750) | [家啟 褚](https://appshunter.io/developer/1576063354) |

## What reviewers say

### TrueDot

[App page](https://appshunter.io/ios/app/truedot/id6504784441)

This app helps creative individuals collect and manage their favorite applications, acting as a digital inspiration library. It frees up device storage while preserving access to valuable software, perfect for developers, product managers, and designers.

**Highlights:** App collection tool for creatives, Frees up device storage, Builds personal inspiration library, Assists product managers, Satisfying visual and tactile experience

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TrueDot: Royale Pass | Free | one-time |


### Portable Light Meter

[App page](https://appshunter.io/ios/app/portable-light-meter/id6741569936)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TrueDot free?

TrueDot costs $1.99, and also offers in-app purchases.

### Is Portable Light Meter free?

Portable Light Meter costs $0.99, with no in-app purchases.

### Do TrueDot or Portable Light Meter have ads?

Neither TrueDot nor Portable Light Meter shows ads.

### Which is updated more often, TrueDot or Portable Light Meter?

TrueDot ships an update every 6 days, and Portable Light Meter every 8 months. Most recently, TrueDot was updated on October 20, 2026 and Portable Light Meter on October 15, 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.*