THINKWARE iVolt vs iDOS 3
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
THINKWARE iVolt
Monitor and control your iVolt battery's performance wirelessly. View real-time data like capacity, status, temperature, and voltage. Manage settings for optimal battery health and longevity.
- Bluetooth connectivity
- Real-time battery capacity display
- Charge/discharge status monitoring
- Remaining charge/discharge time estimation
- Battery temperature display
- Input/output voltage and current monitoring
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Connect to your iVolt Battery via Bluetooth to manage settings. DISPLAY CONTENTS 1) Battery capacity (%) 2) Battery status (charge/discharge) 3) Remaining time until full charging (when charging) 4) Remaining time until full discharging (when discharging) 5) Battery temperature 6) Input - voltage /current 7) Output - voltage /current COMPATIBLE BATTERY MODEL ▶iVolt PRO (BAB-95) Note: Not Compatible with iVolt MINI (BAB-50)
iDOS 3
Experience classic DOS games and applications on your iPhone and iPad. This app emulates a DOS PC, offering modern controls for enhanced playability. It also supports productivity tasks like word processing and programming.
- On-screen keyboard with custom layouts
- Virtual gamepad with customizable bindings
- Trackpad mouse emulation
- MT-32 emulation and MIDI support
- Bluetooth keyboard and gamepad support
- Bluetooth mouse support
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Play classic DOS games on your iPhone and iPad! iDOS turns your device right into a powerful DOS gaming PC, with modern game control to make your old favorites as playable as possible. You can also use iDOS for non-gaming purposes, such as word processing, casual programming. Apps in the DOS days are often simpler and surprisingly productive. KEYBOARD iDOS provides a PC compatible on-screen keyboard with carefully designed layouts for different devices and orientations. The keyboard has a sliding control in landscape mode so that you can keep it from covering critical part of the screen. Bluetooth keyboard is fully supported on iOS 14+. GAMEPAD iDOS provides a virtual gamepad with key bindings that are fairly common in DOS games. You can customize the bindings. The DPAD works in 8-axis way. It can also be toggled into a joystick. External bluetooth game controllers are supported. Make sure your game controller is connected (System Settings->Bluetooth). To customize button bindings, go to iDOS in landscape mode, tap on bluetooth icon on the auto-hiding top bar. MOUSE The screen area serves as a trackpad for moving mouse pointer. Tap on the screen for left click. If direct touch is enabled, the mouse pointer will move to where you tap. Hold one finger on the screen, and tap with another finger for right click. On-screen mouse buttons are also provided for your convenience. Bluetooth mouse are fully supported on iOS 14+. AUDIO iDOS supports mt32 emulation, MIDI sound fonts, cuesheet based CDimage with compressed audio tracks (ogg/mp3/flac). SUPPORT - Visit https://litchie.com/dospad for more information - Send email to idos@litchie.com - Follow the developer on Twitter: https://twitter.com/litchiedev - iDOS is open source, report issue on https://github.com/litchie/dospad
Screenshots
Verdict
The clearest difference is review sentiment: iDOS 3 at 70% against THINKWARE iVolt's 8%. iDOS 3 also leads on rating (4.3 vs 3.7) and ratings volume (51 vs 3). THINKWARE iVolt's advantage is price (Free vs $4.99) and iOS requirement (12.0 vs 15.0). On update cadence, ads, in-app purchases and monetization model 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
THINKWARE iVolt is free to download; iDOS 3 costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
iDOS 3 holds the better App Store score, 4.3 against 3.7. That said, the two scores are not equally well evidenced: iDOS 3 has 51 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 8% of THINKWARE iVolt's written reviews are positive against 70% of iDOS 3's.
Both ship on a similar rhythm, roughly every 6 weeks. Both last shipped on October 16, 2026.
| Parameter | THINKWARE iVolt | iDOS 3 |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 3.7 (3 ratings) | 4.3 (51 ratings) — better |
| Positive reviews | 8.3% of reviews | 69.7% of reviews — better |
| Number of ratings | 3 | 51 — better |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | — | #98 — better |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 18 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | THINKWARE SYSTEMS CORPORATION | 潮激 李 |
Customer experience
THINKWARE iVolt
iDOS 3
In-app purchases
THINKWARE iVolt
No in-app purchases
iDOS 3
No in-app purchases
