# VATRER vs AIMS

The clearest difference is rating: AIMS at 5.0 against VATRER's 2.5. VATRER's advantage is update cadence (every 3 weeks vs every 16 months) and ratings volume (22 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AIMS holds the better App Store score, 5.0 against 2.5. That said, the two scores are not equally well evidenced: VATRER has 22 ratings behind it against 1, so its average is the more settled of the two.

VATRER ships an update every 3 weeks, AIMS every 16 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | VATRER | AIMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (22 ratings)](https://appshunter.io/ios/app/vatrer/id1641200046/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aims-pro/id6448872730/reviews)** |
| Number of ratings | **22** | 1 |
| Positive reviews | 29.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 16 months |
| Monetization | Free | Free |
| Size | 32 MB | 31 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 9+ |
| Developer | [桂玲 秦](https://appshunter.io/developer/1739192081) | [AIMSBAT](https://appshunter.io/developer/1528262837) |

## What reviewers say

### VATRER

[App page](https://appshunter.io/ios/app/vatrer/id1641200046)

Monitor your battery's vital statistics wirelessly. View temperature, power, voltage, current, production date, and charge/discharge cycles. Get estimates for full charge and usable time during charging and discharging.

**Highlights:** Bluetooth battery connection, Temperature monitoring, Power, voltage, and current display, Production date tracking, Charge and discharge cycle count, Full charge and usable time estimates

**Features:** macOS Compatibility

**In-app purchases:** none


### AIMS

[App page](https://appshunter.io/ios/app/aims-pro/id6448872730)

Monitor your AIMS Power inverter charger, solar charge controller, and lithium batteries. View real-time voltage, current, and amperage data for all your AIMS Power products in a single, user-friendly interface.

**Highlights:** Monitor inverter chargers, Monitor solar charge controllers, Monitor lithium batteries, View voltage, current, amps, All products in one app

**In-app purchases:** none


## Frequently asked questions

### Is VATRER free?

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

### Is AIMS free?

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

### Which has better reviews, VATRER or AIMS?

AIMS is rated higher. VATRER averages 2.5 out of 5 from 22 ratings, while AIMS averages 5.0 from 1 ratings.

### Do VATRER or AIMS have ads?

Neither VATRER nor AIMS shows ads.

### Which is updated more often, VATRER or AIMS?

VATRER ships an update every 3 weeks, and AIMS every 16 months. Most recently, VATRER was updated on November 3, 2026 and AIMS on November 3, 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.*