# My Graph ( Chart ) vs VoltBot

The clearest difference is rating: VoltBot at 5.0 against My Graph ( Chart )'s 3.8. VoltBot also leads on ads (none vs shown) and monetization model (free vs ad-supported). My Graph ( Chart )'s advantage is ratings volume (4 vs 1). On price, update cadence, in-app purchases and device support there is nothing between them.

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

VoltBot holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

My Graph ( Chart ) ships an update every 2 months, VoltBot every 6 weeks. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | My Graph ( Chart ) | VoltBot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (4 ratings)](https://appshunter.io/ios/app/my-graph-chart/id946720502/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/voltbot/id1456400320/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 25.5% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 6 MB | 6 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EONSOFT](https://appshunter.io/developer/899851112) | [zechong xiong](https://appshunter.io/developer/1456400319) |

## What reviewers say

### My Graph ( Chart )

[App page](https://appshunter.io/ios/app/my-graph-chart/id946720502)

Create custom bar and linear graphs to visualize various aspects of your life, from personal trends to financial data. Personalize graph colors and backgrounds, with specific input options for X and Y axes.

**Highlights:** Bar graph creation, Linear graph creation, Customizable colors, Editable backgrounds, X-axis text input, Y-axis number input

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases:** none


### VoltBot

[App page](https://appshunter.io/ios/app/voltbot/id1456400320)

This app provides Wi-Fi access to a portable DC power supply for engineers and DIY enthusiasts. It supports both VoltBot 1 and VoltBot 2 models, offering a free and private way to control your device.

**Highlights:** Wi-Fi network access, Control VoltBot 1 and VoltBot 2, Designed for engineers and DIY users, Free to use, No personal data collection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is My Graph ( Chart ) free?

My Graph ( Chart ) is free to download, with no in-app purchases.

### Is VoltBot free?

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

### Which has better reviews, My Graph ( Chart ) or VoltBot?

VoltBot is rated higher. My Graph ( Chart ) averages 3.8 out of 5 from 4 ratings, while VoltBot averages 5.0 from 1 ratings.

### Do My Graph ( Chart ) or VoltBot have ads?

My Graph ( Chart ) shows ads; VoltBot does not.

### Which is updated more often, My Graph ( Chart ) or VoltBot?

My Graph ( Chart ) ships an update every 2 months, and VoltBot every 6 weeks. Most recently, My Graph ( Chart ) was updated on November 6, 2026 and VoltBot on November 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.*