# AIT Solution vs Timegrapher

The clearest difference is in-app purchases: AIT Solution at none against Timegrapher's 1. AIT Solution also leads on iOS requirement (12.0 vs 17.0). Timegrapher's advantage is update cadence (weekly vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Timegrapher sells 1 one-off in-app purchase. AIT Solution asks for nothing beyond the download.

AIT Solution ships an update every 4 months, Timegrapher weekly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | AIT Solution | Timegrapher |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (20 ratings)](https://appshunter.io/ios/app/timegrapher-watch-accuracy/id6788081843/reviews)** |
| Number of ratings | — | **20** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 153 MB | 3 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | +4 |
| Developer | [AI TECHNOLOGY CORPORATION](https://appshunter.io/developer/1716502484) | [Fotios Avgidis](https://appshunter.io/developer/6787521132) |

## What reviewers say

### AIT Solution

[App page](https://appshunter.io/ios/app/ait-solution-fip/id6472034860)

**Features:** macOS Compatibility

**In-app purchases:** none


### Timegrapher

[App page](https://appshunter.io/ios/app/timegrapher-watch-accuracy/id6788081843)

This app uses your iPhone's microphone to analyze watch accuracy, measuring rate, amplitude, and beat error. It provides detailed insights into your watch collection's performance and value, all processed locally on your device.

**Highlights:** Measures rate, amplitude, and beat error, Analyzes beat rate from 18,000 to 36,000 bph, Tracks watch collection performance over time, Computes current market value from Chrono24, Provides plain-language verdicts on watch condition, Processes all data locally for privacy

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Timegrapher Pro | $9.99 | one-time |


## Frequently asked questions

### Is AIT Solution free?

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

### Is Timegrapher free?

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

### Do AIT Solution or Timegrapher have ads?

Neither AIT Solution nor Timegrapher shows ads.

### Which is updated more often, AIT Solution or Timegrapher?

AIT Solution ships an update every 4 months, and Timegrapher weekly. Most recently, AIT Solution was updated on October 30, 2026 and Timegrapher on October 31, 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.*