Rubyist vs GRESCharge
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Rubyist
Execute and automate Ruby scripts directly on your iPhone and iPad. This app utilizes the MRuby VM to run code, integrate with Shortcuts and Siri, and offers a robust editor with syntax highlighting and autocomplete.
- Run Ruby code on device
- Editor with syntax highlighting
- Code autocomplete
- Shortcuts app integration
- Siri command creation
- Native alerts and inputs
- HTTP requests
- Clipboard access
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Rubyist allows you to run Ruby code on your iPhone and iPad using the MRuby VM. Run code directly in the app or via the Shortcuts app or Siri commands. Features: - Run Ruby code directly on your device - Built-in documentation viewer - Editor with ruby syntax highlighting - Code Autocomplete - Run Ruby directly in Shortcuts - Build your own Siri commands in Ruby. - Display native alerts and inputs using exclusive APIs - Make http requests from your code. - Write and read your clipboard from code
GRESCharge
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The main functions of the product are as follows: 1) Modify the default login password of the charging pile. After clicking on the Bluetooth name of the charging pile in the App, it will jump to the login page. After successful login, if it is the default password, you can choose to modify the password or continue to use the default password; 2) Set the time of the charging pile. Synchronize and set the time of the charging pile with the phone time. 3) Connect the charging pile to WiFi. Click on the WiFi list to connect to the available WiFi and enter the password to send down the connection. 4) Add RFID card. Scan or enter the card number of the charging card for binding operation; Click on "Add Card Through Pile" to send down the command and add the card by swiping at the charging pile side. 5) Configure OCPP server. Input or select OCPP server parameters and perform sending down configuration operation. 6) Configure APN. Input or select APN server parameters and perform sending down configuration operation. 7) About charging pile. You can view product model, serial number, manufacturer, rated power, rated current and phase number. 8) Firmware upgrade. Perform control board and power board upgrades. 9) Factory reset. Perform factory reset operation. 10)Local DLM parameters Set load balancing related parameters. 11)show Charger Status 12)static IP set 13)orderly charging params set
Screenshots
Verdict
The clearest difference is in-app purchases: GRESCharge at none against Rubyist's 3. GRESCharge also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Rubyist sells 3 one-off in-app purchases. GRESCharge asks for nothing beyond the download.
Rubyist ships an update every 3 weeks, GRESCharge every 6 weeks. The most recent releases landed on September 29, 2026 and September 10, 2026 respectively.
| Parameter | Rubyist | GRESCharge |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (93 ratings) — better | — |
| Positive reviews | 83.3% of reviews | — |
| Number of ratings | 93 — better | — |
| Update frequency | Every 3 weeks — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 26 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | TSUBASA TECHNOLOGIES LIMITED LIABILITY COMPANY | Gresgying Digital Technology Co., Ltd. |
In-app purchases
Rubyist
- Small Tip$0.99
- Medium Tip$4.99
- Large Tip$9.99
GRESCharge
No in-app purchases









