# AmpereOne vs ValueCalm

The clearest difference is in-app purchases: AmpereOne at none against ValueCalm's 3. AmpereOne also leads on update cadence (fortnightly vs every 2 months) and iOS requirement (13.0 vs 17.0). ValueCalm's advantage is ratings volume (4 vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. ValueCalm sells 3 in-app purchases, starting at $4.99 per month. AmpereOne asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for AmpereOne against 5.0 for ValueCalm. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

AmpereOne ships an update fortnightly, ValueCalm every 2 months. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | AmpereOne | ValueCalm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/ampereone/id6742404317/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/valuecalm/id6756942549/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | **Free** | Freemium |
| Size | 79 MB | 7 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AmpereOne S.r.l](https://appshunter.io/developer/1798196628) | [Daniel Jaimes](https://appshunter.io/developer/1860699259) |

## What reviewers say

### AmpereOne

[App page](https://appshunter.io/ios/app/ampereone/id6742404317)

Rent a portable power bank on the go from convenient stations located in various public places. Easily find stations, rent a charger, and power up any smartphone with included cables. Enjoy freedom and convenience without worrying about cables or leaving your device.

**Highlights:** Portable power bank rental, Find charging stations, Charge any smartphone, Includes Lightning, USB-C, Micro-USB cables, Fast charging (60 mins for full mobile charge), Provides two full charges on average

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### ValueCalm

[App page](https://appshunter.io/ios/app/valuecalm/id6756942549)

This app helps you manage your health by tracking vital signs and habits. It offers personalized insights and reminders, with a strong focus on data privacy by storing information locally on your device. Unlock advanced features and reporting with a PRO upgrade.

**Highlights:** Comprehensive vitals tracking (Blood Pressure, Glucose, Weight, Pulse), Smart daily insights and trend analysis, Medication and habit reminders, Doctor-ready PDF reports (PRO), 100% private, local data storage, Bilingual support (English & Spanish)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ValueCalm - Monthly | $4.99 | per month |
| ValueCalm - Yearly | $29.99 | per year |
| ValueCalm Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is AmpereOne free?

AmpereOne is free to download, with no in-app purchases.

### Is ValueCalm free?

ValueCalm is free to download, with in-app purchases available.

### Which has better reviews, AmpereOne or ValueCalm?

AmpereOne and ValueCalm are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do AmpereOne or ValueCalm have ads?

Neither AmpereOne nor ValueCalm shows ads.

### Which is updated more often, AmpereOne or ValueCalm?

AmpereOne ships an update fortnightly, and ValueCalm every 2 months. Most recently, AmpereOne was updated on October 6, 2026 and ValueCalm on October 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*