# Solbox vs Firefly Glow

Solbox and Firefly Glow are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Solbox sells 4 in-app purchases, starting at $4.99 per 7 days and Firefly Glow sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Solbox ships an update every 3 weeks, Firefly Glow fortnightly. The most recent releases landed on September 26, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Solbox | Firefly Glow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/solbox-focus-timer-and-noise/id6749668065/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 333 MB | 63 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Taras Chernysh](https://appshunter.io/developer/1538766973) | [南 张](https://appshunter.io/developer/1867992587) |

## What reviewers say

### Solbox

[App page](https://appshunter.io/ios/app/solbox-focus-timer-and-noise/id6749668065)

This app provides a variety of soundscapes and audio tools designed to enhance focus, promote calm, and aid sleep. It offers features like body doubling, audio motion, and AI-generated sound effects, with a particular focus on supporting individuals with ADHD.

**Highlights:** Focus soundscapes, Body doubling ambient recordings, Audio motion with left/right panning, AI-generated sound effects, Pomodoro timer for focus, Smart fade-out sleep timer, Haptic sync for vibrations

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Focus noise & frequency (week) | $4.99 | per 7 days |
| Focus noise & frequency (year) | $39.99 | per year |
| 9 Sound Coins | $0.99 | one-time |
| Focus Frequency & Sleep Sounds | $29.99 | one-time |


### Firefly Glow

[App page](https://appshunter.io/ios/app/firefly-glow/id6758776763)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Firefly Glow | $0.99 | per month |
| Firefly Glow | $4.99 | per year |
| Firefly Glow (Lifetime) | $9.99 | one-time |


## Frequently asked questions

### Is Solbox free?

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

### Is Firefly Glow free?

Firefly Glow is free to download, with in-app purchases available.

### Do Solbox or Firefly Glow have ads?

Neither Solbox nor Firefly Glow shows ads.

### Which is updated more often, Solbox or Firefly Glow?

Solbox ships an update every 3 weeks, and Firefly Glow fortnightly. Most recently, Solbox was updated on September 26, 2026 and Firefly Glow on September 21, 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.*