Comparison

Impact Key vs ABSign

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

To Co-Create Impact

About

Impact Key

Features

Read full description

Welcome to the official app for IMPACT WEEK 2026. Hosted in Singapore this September, IMPACT WEEK brings together global visionaries to share forward‑thinking ideas and reimagine our shared future. Download the app and get ready for IMPACT WEEK 2026.

About

ABSign

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ABSign Personal Edition is designed for freelancers, sole proprietors, and general users, offering convenient online contract signing and notarization services. It allows you to complete signatures on your mobile or computer without the need for paper documents, truly achieving "zero-distance signing."

Screenshots

Impact Key4 screens

ABSign3 screens

Verdict

The call

The clearest difference is in-app purchases: Impact Key at none against ABSign's 1. Impact Key also leads on update cadence (every 4 days vs fortnightly). On price, ads, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. ABSign sells 1 one-off in-app purchase. Impact Key asks for nothing beyond the download.

UpkeepUpdate frequency

Impact Key ships an update every 4 days, ABSign fortnightly. The most recent releases landed on October 8, 2026 and October 2, 2026 respectively.

Scorecard2 real differences · 4 level

Impact Key versus ABSign: the parameters behind the verdict, then further details
Parameter	Impact Key	ABSign
Price	Free	Free
Update frequency	Every 4 days — better	Fortnightly
Ads	No	No
In-app purchases	No — better	Yes
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	13.0	12.0 — better
Further details — not scored
Size	32 MB	64 MB
Age rating	4+	4+
Developer	Suzhou IMC Property Development Co., Ltd	Secure Signing Digital Technology Co., Ltd.

In-app purchases

None

Impact Key

No in-app purchases

1 purchases

ABSign

One-time1

service fee$0.99

Questions

Is Impact Key free?

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

Is ABSign free?

ABSign is free to download, with in-app purchases available.

Do Impact Key or ABSign have ads?

Neither Impact Key nor ABSign shows ads.

Which is updated more often, Impact Key or ABSign?

Impact Key ships an update every 4 days, and ABSign fortnightly. Most recently, Impact Key was updated on October 8, 2026 and ABSign on October 2, 2026.