# Delta Overlap vs Geze Smart Dr

The clearest difference is update cadence: Delta Overlap at every 2 months against Geze Smart Dr's every 8 months. Delta Overlap also leads on iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Delta Overlap ships an update every 2 months, Geze Smart Dr every 8 months. The most recent releases landed on September 15, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Delta Overlap | Geze Smart Dr |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Size | 3 MB | 18 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gread Elettronica srl](https://appshunter.io/developer/671539111) | [GEZE Industries (Tianjin) Co., Ltd.](https://appshunter.io/developer/1672895739) |

## What reviewers say

### Delta Overlap

[App page](https://appshunter.io/ios/app/delta-overlap/id674399153)

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

**In-app purchases:** none


### Geze Smart Dr

[App page](https://appshunter.io/ios/app/geze-smart-dr/id6444715316)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Delta Overlap free?

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

### Is Geze Smart Dr free?

Geze Smart Dr is free to download, with no in-app purchases.

### Do Delta Overlap or Geze Smart Dr have ads?

Neither Delta Overlap nor Geze Smart Dr shows ads.

### Which is updated more often, Delta Overlap or Geze Smart Dr?

Delta Overlap ships an update every 2 months, and Geze Smart Dr every 8 months. Most recently, Delta Overlap was updated on September 15, 2026 and Geze Smart Dr on September 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.*