# Overlay Image vs SipTracker

Overlay Image and SipTracker 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. Overlay Image sells 7 one-off in-app purchases and SipTracker sells 2 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Overlay Image | SipTracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/overlay-image/id6448168307/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 46 MB | 25 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [高阳 王](https://appshunter.io/developer/1671696782) | [Rafael Rodrigues Padovani](https://appshunter.io/developer/1859417667) |

## What reviewers say

### Overlay Image

[App page](https://appshunter.io/ios/app/overlay-image/id6448168307)

Easily layer one image on top of another to create custom visuals. Adjust size, position, and even paper dimensions. Export your creations as high-quality images or PDFs.

**Highlights:** Layer images, Adjust image size and position, Change paper size and position, Export as IMAGE, Export as PDF, Share creations

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add 5 Pages | $0.49 | one-time |
| Add 20 Pages | $1.99 | one-time |
| Add 50 Pages | $5.99 | one-time |
| Product Booster | $5.99 | one-time |
| Add 100 Pages | $9.99 | one-time |
| Unlimited Pages | $17.99 | one-time |
| One-time Charge | $19.99 | one-time |


### SipTracker

[App page](https://appshunter.io/ios/app/siptracker-water-reminder/id6766058934)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Siptracker Premium Weekly | $1.99 | per 7 days |
| Siptracker Premium Annual | $14.99 | per year |


## Frequently asked questions

### Is Overlay Image free?

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

### Is SipTracker free?

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

### Do Overlay Image or SipTracker have ads?

Neither Overlay Image nor SipTracker shows ads.

### Which is updated more often, Overlay Image or SipTracker?

Overlay Image ships an update fortnightly, and SipTracker fortnightly. Most recently, Overlay Image was updated on October 24, 2026 and SipTracker on October 8, 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.*