# Ultra Light Performance Tool vs AviCalc

The clearest difference is in-app purchases: AviCalc at none against Ultra Light Performance Tool's 7. AviCalc also leads on update cadence (every 3 weeks vs every 3 months). Ultra Light Performance Tool's advantage is iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Ultra Light Performance Tool sells 7 one-off in-app purchases. AviCalc asks for nothing beyond the download.

Ultra Light Performance Tool ships an update every 3 months, AviCalc every 3 weeks. The most recent releases landed on September 10, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Ultra Light Performance Tool | AviCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 30 MB | 9 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Konstantin Ludwig](https://appshunter.io/developer/1642383019) | [Aldo Mendes Martins](https://appshunter.io/developer/377344895) |

## What reviewers say

### Ultra Light Performance Tool

[App page](https://appshunter.io/ios/app/ultra-light-performance-tool/id6464596500)

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donation 1€ | $0.99 | one-time |
| Donation 1€ | $1.99 | one-time |
| Donation 1€ | $3.99 | one-time |
| Donation 1€ | $8.99 | one-time |
| Donation 1€ | $12.99 | one-time |
| Donation 1€ | $17.99 | one-time |
| Donation 1€ | $44.99 | one-time |


### AviCalc

[App page](https://appshunter.io/ios/app/avicalc/id6474237308)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ultra Light Performance Tool free?

Ultra Light Performance Tool is free to download, with in-app purchases available.

### Is AviCalc free?

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

### Do Ultra Light Performance Tool or AviCalc have ads?

Neither Ultra Light Performance Tool nor AviCalc shows ads.

### Which is updated more often, Ultra Light Performance Tool or AviCalc?

Ultra Light Performance Tool ships an update every 3 months, and AviCalc every 3 weeks. Most recently, Ultra Light Performance Tool was updated on September 10, 2026 and AviCalc on September 19, 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.*