Calm vs ACPN
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calm
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Stress is a feeling of emotional or physical tension. It can come from any event or thought that makes you feel frustrated, angry, or nervous. Stress is your body's reaction to a challenge or demand. In short bursts, stress can be positive, such as when it helps you avoid danger or meet a deadline.
ACPN
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11th International Neuroscience Updates Congress 6th International Headache Symposium 5th International Eating Disorder Conference
Screenshots
Verdict
Calm and ACPN are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
| Parameter | Calm | ACPN |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 95 MB | 56 MB |
| Age rating | 4+ | 17+ |
| Developer | Milinda Sandaruwan | TechBeez |
In-app purchases
Calm
No in-app purchases
ACPN
No in-app purchases
