COSTFA vs A2 Smart Living
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
COSTFA
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COSTFA is a Two Factor Authentication (2FA) solution that employs mobile devices, instead of tokens. What's more, with industry leading feature set and secure Out-of-Band authentication, we stand apart from the competition. This App will be used only by end users of one of our Client organization spread across the globe. The purpose of this App is to carry out two factor authentication during login of Web applications deployed in Client Data centre. Users should be registered in the web application and this app will only do second factor authentication. App can register with the Web application only when they are within the organization network. There are no paid content in this app.
A2 Smart Living
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A2 Smart Living: A 2nd generation of Smart Living experience. lt offers convenience and security of managing your smart products remotely on your mobile App. a.Remotely control your lock from anywhere. b.Add and control multiple devices with one App c. Easily share device control among family members.
Screenshots
Verdict
The clearest difference is update cadence: COSTFA at every 11 months against A2 Smart Living's every 23 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
COSTFA ships an update every 11 months, A2 Smart Living every 23 months. The most recent releases landed on October 17, 2026 and October 28, 2026 respectively.
| Parameter | COSTFA | A2 Smart Living |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 11 months — better | Every 23 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 216 MB |
| Age rating | 4+ | 12+ |
| Developer | Calibsoft Technologies | A2 Building Solutions India Private limited |
In-app purchases
COSTFA
No in-app purchases
A2 Smart Living
No in-app purchases
