# Developer Box for Film vs Silverlog Flash

The clearest difference is update cadence: Silverlog Flash at every 4 days against Developer Box for Film's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Developer Box for Film sells 1 one-off in-app purchase and Silverlog Flash sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Developer Box for Film ships an update every 3 months, Silverlog Flash every 4 days. The most recent releases landed on September 24, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Developer Box for Film | Silverlog Flash |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Size | 4 MB | 40 MB |
| Requires iOS | **16.2** | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [zlent solutions ou](https://appshunter.io/developer/1499220525) | [Simon Westgate](https://appshunter.io/developer/1856537803) |

## What reviewers say

### Developer Box for Film

[App page](https://appshunter.io/ios/app/developer-box-for-film/id1580604412)

**In-app purchases (1)**

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


### Silverlog Flash

[App page](https://appshunter.io/ios/app/silverlog-flash/id6757318928)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nice One | $0.99 | one-time |
| Legend | $2.99 | one-time |
| Absolute Hero | $4.99 | one-time |
| Guardian Angel | $9.99 | one-time |
| Actual Saint | $29.99 | one-time |


## Frequently asked questions

### Is Developer Box for Film free?

Developer Box for Film is free to download, with in-app purchases available.

### Is Silverlog Flash free?

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

### Do Developer Box for Film or Silverlog Flash have ads?

Neither Developer Box for Film nor Silverlog Flash shows ads.

### Which is updated more often, Developer Box for Film or Silverlog Flash?

Developer Box for Film ships an update every 3 months, and Silverlog Flash every 4 days. Most recently, Developer Box for Film was updated on September 24, 2026 and Silverlog Flash on October 18, 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.*