# TenantApp (agentOS) vs KEEP by Fast FX

The clearest difference is ads: TenantApp (agentOS) at none against KEEP by Fast FX's shown. TenantApp (agentOS) also leads on iOS requirement (13.4 vs 15.6). KEEP by Fast FX's advantage is update cadence (every 10 days vs every 4 months). On price, 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.

TenantApp (agentOS) ships an update every 4 months, KEEP by Fast FX every 10 days. The most recent releases landed on October 10, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | TenantApp (agentOS) | KEEP by Fast FX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/keep-by-fast-fx/id6737156640/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 77.3% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Size | 24 MB | 47 MB |
| Requires iOS | **13.4** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [AGENTOS PROPTECH GROUP LTD](https://appshunter.io/developer/1723855106) | [Fast FX](https://appshunter.io/developer/1774985709) |

## What reviewers say

### TenantApp (agentOS)

[App page](https://appshunter.io/ios/app/tenantapp-agentos/id6475305939)

**Features:** macOS Compatibility

**In-app purchases:** none


### KEEP by Fast FX

[App page](https://appshunter.io/ios/app/keep-by-fast-fx/id6737156640)

Easily send and request money with instant, secure transactions. This app offers a user-friendly interface for managing all your financial exchanges, with multi-currency support and detailed transaction history.

**Highlights:** Instant money transfers, Request money easily, Secure transactions, User-friendly interface, Transaction history tracking, Multi-currency support, Integration with contacts

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TenantApp (agentOS) free?

TenantApp (agentOS) is free to download, with no in-app purchases.

### Is KEEP by Fast FX free?

KEEP by Fast FX is free to download, with no in-app purchases.

### Do TenantApp (agentOS) or KEEP by Fast FX have ads?

KEEP by Fast FX shows ads; TenantApp (agentOS) does not.

### Which is updated more often, TenantApp (agentOS) or KEEP by Fast FX?

TenantApp (agentOS) ships an update every 4 months, and KEEP by Fast FX every 10 days. Most recently, TenantApp (agentOS) was updated on October 10, 2026 and KEEP by Fast FX on October 23, 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.*