# 音随补光灯 vs Retirement Countdown

The clearest difference is price: Retirement Countdown at Free against 音随补光灯's $1.99. Retirement Countdown also leads on update cadence (weekly vs monthly) and iOS requirement (15.6 vs 17.0). 音随补光灯's advantage is in-app purchases (none vs 5). On ads and device support there is nothing between them.

Retirement Countdown is free to download; 音随补光灯 costs $1.99 up front. Retirement Countdown sells 5 in-app purchases, starting at $2.99 per month. 音随补光灯 asks for nothing beyond the download.

音随补光灯 ships an update monthly, Retirement Countdown weekly. The most recent releases landed on September 10, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 音随补光灯 | Retirement Countdown |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.8 (166 ratings)](https://appshunter.io/ios/app/retirement-countdown-workend/id6743494737/reviews)** |
| Number of ratings | — | **166** |
| Positive reviews | — | 90.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | — | Freemium |
| Size | 1 MB | 37 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [文皓 郭](https://appshunter.io/developer/1501843117) | [Tobias Feldmann](https://appshunter.io/developer/1494627416) |

## What reviewers say

### 音随补光灯

[App page](https://appshunter.io/ios/app/music-flash/id6742900823)

**Features:** macOS Compatibility

**In-app purchases:** none


### Retirement Countdown

[App page](https://appshunter.io/ios/app/retirement-countdown-workend/id6743494737)

Plan your retirement with this app that calculates your financial readiness and identifies potential shortfalls. It helps you visualize your progress and explore options for early retirement, offering insights into your assets and risk.

**Highlights:** Financial retirement preparedness calculation, Retirement shortfall analysis, Early retirement affordability assessment, Asset tracking and organization, Risk assessment based on assets, Retirement countdown clock

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WorkEnd Premium (Monthly) | $2.99 | per month |
| WorkEnd Premium (Yearly) | $17.90 | per year |
| WorkEnd Premium (Solidarity) | $6.99 | one-time |
| Premium (Lifetime offer) | $14.99 | one-time |
| WorkEnd Premium (Lifetime) | $29.99 | one-time |


## Frequently asked questions

### Is 音随补光灯 free?

音随补光灯 costs $1.99, with no in-app purchases.

### Is Retirement Countdown free?

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

### Do 音随补光灯 or Retirement Countdown have ads?

Neither 音随补光灯 nor Retirement Countdown shows ads.

### Which is updated more often, 音随补光灯 or Retirement Countdown?

音随补光灯 ships an update monthly, and Retirement Countdown weekly. Most recently, 音随补光灯 was updated on September 10, 2026 and Retirement Countdown on October 16, 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.*