Flexnap vs KALKUL
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Flexnap
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"Discovery" - discover the trend, your favorite style, and new brands. "ASK" - Have you experienced the situation like you want to know what clothing brand your favorite influencers wear but can't find it? Ask users to find what youβre looking for. They may help you find it. "Find" - find the global fashion trend and style through "Map". Enjoy your fashion journey via our "Map" tool. "Community" - sharing your favorite brands, up-and-coming designers, current fashion trends, and any fashion related topics with fashion lovers in our "Community" and connect with them!
KALKUL
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the feeling of another future [0x036] how does it feel? why are you here, why not on another path of spacetime? you are here because you are curious. you are here because you want to feel more. KALKUL is a sub-movement to explore alternate branches of technology. a KALKUL is something you can collect and experience. download the app and apply for your first KALKUL. a key to a secret space in Tokyo. another future is possible.
Screenshots
Verdict
The clearest difference is update cadence: Flexnap at every 2 days against KALKUL's every 6 days. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Flexnap ships an update every 2 days, KALKUL every 6 days. The most recent releases landed on October 15, 2026 and October 18, 2026 respectively.
| Parameter | Flexnap | KALKUL |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days β better | Every 6 days |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.1 β better | 16.0 |
| Further details β not scored | ||
| Size | 127 MB | 71 MB |
| Age rating | 12+ | 4+ |
| Developer | FLEXNAP, INC. | Kalkul Inc. |
In-app purchases
Flexnap
No in-app purchases
KALKUL
No in-app purchases
