# Instant HDR vs JSlate

The clearest difference is in-app purchases: JSlate at none against Instant HDR's 1. JSlate also leads on update cadence (every 2 days vs every 2 weeks). Instant HDR's advantage is iOS requirement (16.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Instant HDR sells 1 in-app purchase, starting at $2.99 per month. JSlate asks for nothing beyond the download.

Instant HDR ships an update every 2 weeks, JSlate every 2 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Instant HDR | JSlate |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Size | 7 MB | 5 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Chaldryan](https://appshunter.io/developer/1886878152) | [KEISUKE TONE](https://appshunter.io/developer/1893035978) |

## What reviewers say

### Instant HDR

[App page](https://appshunter.io/ios/app/instant-hdr/id6760928857)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Instant HDR Premium | $2.99 | per month |


### JSlate

[App page](https://appshunter.io/ios/app/jslate-production-timer/id6762127732)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Instant HDR free?

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

### Is JSlate free?

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

### Do Instant HDR or JSlate have ads?

Neither Instant HDR nor JSlate shows ads.

### Which is updated more often, Instant HDR or JSlate?

Instant HDR ships an update every 2 weeks, and JSlate every 2 days. Most recently, Instant HDR was updated on October 24, 2026 and JSlate on October 25, 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.*