# KeyperApp vs Polysentry Ops

The clearest difference is update cadence: KeyperApp at every 6 weeks against Polysentry Ops's every 13 months. KeyperApp also leads on iOS requirement (9.0 vs 15.1). 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.

KeyperApp ships an update every 6 weeks, Polysentry Ops every 13 months. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | KeyperApp | Polysentry Ops |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/keyperapp/id1476840105/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 13 months |
| Monetization | Free | — |
| Size | 60 MB | 79 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Johnny Chien](https://appshunter.io/developer/1456499559) | [POLYSENTRY INC](https://appshunter.io/developer/1468691132) |

## What reviewers say

### KeyperApp

[App page](https://appshunter.io/ios/app/keyperapp/id1476840105)

Discover real estate listings in Hanoi, Vietnam. Connect with experienced realtors to facilitate your next property investment.

**Highlights:** Real estate listing discovery, Hanoi property information, Connect with realtors, Investment facilitation

**Features:** macOS Compatibility

**In-app purchases:** none


### Polysentry Ops

[App page](https://appshunter.io/ios/app/polysentry-ops/id1592450302)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KeyperApp free?

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

### Is Polysentry Ops free?

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

### Do KeyperApp or Polysentry Ops have ads?

Neither KeyperApp nor Polysentry Ops shows ads.

### Which is updated more often, KeyperApp or Polysentry Ops?

KeyperApp ships an update every 6 weeks, and Polysentry Ops every 13 months. Most recently, KeyperApp was updated on October 3, 2026 and Polysentry Ops on October 6, 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.*