Grason vs Callup
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Grason
This app allows individuals to find flexible work opportunities and manage their own schedules. Businesses can easily hire on-demand staff, streamlining the recruitment process and eliminating paperwork.
- Manage personal work schedule
- Determine own pay rates
- Choose work assignments
- Hire on-demand staff
- Digitalized hiring process
- Worker ratings system
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Tailor your work to your lifestyle, not the other way around. Grason enables people to work flexibly, whenever and wherever they see fit, and businesses to hire easily and on the fly as needed. Workers Plan out your shifts however it suits you best. You get to decide when, where, how often, and how much you will work for. Thanks to the Grason app, your time is yours to do with as you please. Why pick Grason: - you manage your own schedule, - you determine your pay, - what to do and who to do it for is your call. Businesses Hire people when needed, whether it’s one-time assistance or long-term cooperation. With the Grason app, handling the peak season or dealing with unforeseeable events can be done quickly and without any paperwork at all. Why pick Grason: - you choose workers with ratings from other businesses, - you do not pay any fees for the hours worked, - no need to pick up your phone, everything is digitalized, - drawn-out selection processes and extensive bureaucracy are eliminated. We are changing work for the better. Be there with us.
Callup
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Callup je mobilní aplikace pro rychlou a efektivní komunikaci s uchazeči, pracovníky i zákazníky – kdykoliv a odkudkoliv. Co vám přinese Komunikace přes SMS, notifikace i e-maily – vše na jednom místě. (Brzy přibude také WhatsApp.)
Screenshots
Verdict
The clearest difference is update cadence: Callup at weekly against Grason's every 2 months. Callup also leads on device support (3 vs 1). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Grason ships an update every 2 months, Callup weekly. The most recent releases landed on September 29, 2026 and October 14, 2026 respectively.
| Parameter | Grason | Callup |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 38.5% of reviews | — |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 15.5 | 15.5 |
| Further details — not scored | ||
| Size | 59 MB | 105 MB |
| Age rating | 4+ | 4+ |
| Developer | Grason Solutions s.r.o. | Stafio |
In-app purchases
Grason
No in-app purchases
Callup
No in-app purchases







