# efficy Mobile vs DeltaPlus Checker

The clearest difference is update cadence: efficy Mobile at every 3 months against DeltaPlus Checker's every 10 months. efficy Mobile also leads on iOS requirement (15.0 vs 18.0). 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.

efficy Mobile ships an update every 3 months, DeltaPlus Checker every 10 months. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | efficy Mobile | DeltaPlus Checker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 10 months |
| Size | 32 MB | 52 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Efficy](https://appshunter.io/developer/1208995011) | [Delta Plus](https://appshunter.io/developer/1625652366) |

## What reviewers say

### efficy Mobile

[App page](https://appshunter.io/ios/app/efficy-mobile/id1540976547)

**In-app purchases:** none


### DeltaPlus Checker

[App page](https://appshunter.io/ios/app/deltaplus-checker/id1625652274)

**In-app purchases:** none


## Frequently asked questions

### Is efficy Mobile free?

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

### Is DeltaPlus Checker free?

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

### Do efficy Mobile or DeltaPlus Checker have ads?

Neither efficy Mobile nor DeltaPlus Checker shows ads.

### Which is updated more often, efficy Mobile or DeltaPlus Checker?

efficy Mobile ships an update every 3 months, and DeltaPlus Checker every 10 months. Most recently, efficy Mobile was updated on October 24, 2026 and DeltaPlus Checker on October 7, 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.*