# Tiny JPEG/PNG/HEIC Compressor vs Shift Rail

The clearest difference is update cadence: Shift Rail at every 10 days against Tiny JPEG/PNG/HEIC Compressor's every 2 months. Tiny JPEG/PNG/HEIC Compressor's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 26.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Tiny JPEG/PNG/HEIC Compressor sells 3 in-app purchases, starting at $1.99 per month and Shift Rail sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Tiny JPEG/PNG/HEIC Compressor ships an update every 2 months, Shift Rail every 10 days. The most recent releases landed on November 4, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Tiny JPEG/PNG/HEIC Compressor | Shift Rail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (14 ratings)](https://appshunter.io/ios/app/tiny-jpegpngheic-compressor/id6612024013/reviews)** | — |
| Number of ratings | **14** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 50 MB | 4 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Shotdoor](https://appshunter.io/developer/530049796) | [YEONWOO KIM](https://appshunter.io/developer/6801674461) |

## What reviewers say

### Tiny JPEG/PNG/HEIC Compressor

[App page](https://appshunter.io/ios/app/tiny-jpegpngheic-compressor/id6612024013)

This utility reduces the file size of images and PDFs without compromising visual quality. It efficiently converts large files to smaller ones in seconds, operating offline and ensuring user privacy by not uploading any data. Supports a wide range of formats including JPEG, PNG, HEIC, and PDF.

**Highlights:** Compresses JPEG, PNG, WebP, GIF, HEIC, HEIF, and PDF, Reduces file size from MB to KB, Offline operation, No data upload, Maintains image quality

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Pro | $1.99 | per month |
| 3 Months Pro | $2.39 | per 3 months |
| 100 Compression Credits | $0.99 | one-time |


### Shift Rail

[App page](https://appshunter.io/ios/app/shift-rail-shift-calendar/id6806742009)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7-Day Alarm Trial | Free | one-time |
| Shift Rail Pro | $0.99 | one-time |


## Frequently asked questions

### Is Tiny JPEG/PNG/HEIC Compressor free?

Tiny JPEG/PNG/HEIC Compressor is free to download, with in-app purchases available.

### Is Shift Rail free?

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

### Do Tiny JPEG/PNG/HEIC Compressor or Shift Rail have ads?

Neither Tiny JPEG/PNG/HEIC Compressor nor Shift Rail shows ads.

### Which is updated more often, Tiny JPEG/PNG/HEIC Compressor or Shift Rail?

Tiny JPEG/PNG/HEIC Compressor ships an update every 2 months, and Shift Rail every 10 days. Most recently, Tiny JPEG/PNG/HEIC Compressor was updated on November 4, 2026 and Shift Rail on November 13, 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.*