NORMATTER vs Keiros
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NORMATTER
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This app allows you to use Mattermost with an email-like interface. Do you ever get lost in thread views—wondering which message is the latest, or unable to find a message you just saw a moment ago? If so, leave it to NORMATTER. We’ll solve that problem for you.
Keiros
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An all-in-one vendor and purchasing management app. Streamline PR, quotation, PO, and shipment tracking workflows effortlessly. Improve efficiency and reduce manual work.
Screenshots
Verdict
The clearest difference is update cadence: NORMATTER at every 3 days against Keiros's fortnightly. Keiros's advantage is iOS requirement (13.0 vs 18.0). 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.
NORMATTER ships an update every 3 days, Keiros fortnightly. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.
| Parameter | NORMATTER | Keiros |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 32 MB | 91 MB |
| Age rating | 9+ | 17+ |
| Developer | MORIYO TAMURA | HOICKO TECHNOLOGIES PRIVATE LIMITED |
In-app purchases
NORMATTER
No in-app purchases
Keiros
No in-app purchases
