# Rev Advisor vs TrueLevel

The clearest difference is update cadence: Rev Advisor at every 6 days against TrueLevel's monthly. Rev Advisor also leads on iOS requirement (15.1 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Rev Advisor sells 2 in-app purchases, starting at $4.99 per month and TrueLevel sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Rev Advisor ships an update every 6 days, TrueLevel monthly. The most recent releases landed on October 8, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Rev Advisor | TrueLevel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/rev-advisor-car-mod-planner/id6759537724/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Monthly |
| Monetization | Freemium | — |
| Size | 97 MB | 3 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jeremy Sellers](https://appshunter.io/developer/1866238459) | [Daniil Mukashev](https://appshunter.io/developer/1833839105) |

## What reviewers say

### Rev Advisor

[App page](https://appshunter.io/ios/app/rev-advisor-car-mod-planner/id6759537724)

This app generates custom car performance build plans using AI, detailing aftermarket parts, estimated horsepower gains, and pricing. It provides direct links to purchase parts and offers a virtual dyno studio to visualize performance improvements before modifications.

**Highlights:** AI-generated custom build plans, Platform-specific part recommendations, Realistic horsepower gain estimates, Direct part purchasing links, Virtual dyno studio with simulations, Shareable build summary cards

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rev Advisor Pro | $4.99 | per month |
| Rev Advisor Elite | $14.99 | per month |


### TrueLevel

[App page](https://appshunter.io/ios/app/truelevel-bubble-level-tool/id6760949015)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TrueLevel Pro | $3.99 | one-time |


## Frequently asked questions

### Is Rev Advisor free?

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

### Is TrueLevel free?

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

### Do Rev Advisor or TrueLevel have ads?

Neither Rev Advisor nor TrueLevel shows ads.

### Which is updated more often, Rev Advisor or TrueLevel?

Rev Advisor ships an update every 6 days, and TrueLevel monthly. Most recently, Rev Advisor was updated on October 8, 2026 and TrueLevel on September 27, 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.*