Chronicle (PLUM Study) vs JoyInn Admin
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chronicle (PLUM Study)
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Chronicle is a passive sensing application for behavioral research studies. Participants must first be enrolled in an approved research study and be possession of a unique enrollment link provided by the researcher in order to provide data. This application also queries, but does not collect step counts from HealthKit as a workaround to known SensorKit limitations.
JoyInn Admin
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Hotel managers can use it to manage the rooms, devices and staff tasks. Hotel staffs can use it to accept hotel tasks, including clean/repair/guest service.
Screenshots
Verdict
The clearest difference is update cadence: Chronicle (PLUM Study) at daily against JoyInn Admin's every 7 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.
Chronicle (PLUM Study) ships an update daily, JoyInn Admin every 7 months. The most recent releases landed on October 15, 2026 and October 12, 2026 respectively.
| Parameter | Chronicle (PLUM Study) | JoyInn Admin |
|---|---|---|
| Price | Free | Free |
| Update frequency | Daily — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 14.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Methodic, Inc. | UFun Networks Technology Co., Limited |
In-app purchases
Chronicle (PLUM Study)
No in-app purchases
JoyInn Admin
No in-app purchases
Questions
Is Chronicle (PLUM Study) free?
Is JoyInn Admin free?
Do Chronicle (PLUM Study) or JoyInn Admin have ads?
Which is updated more often, Chronicle (PLUM Study) or JoyInn Admin?
Other comparisons
