Main Street vs quBit in 2D
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Main Street
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Main Street - Mark is a reading plan app to help keep you on track in reading through the book of Mark over a period of 14 weeks.
quBit in 2D
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This app shows the two dimensional representation of Bloch sphere. Bloch sphere represents the state of the single qubit. Feel quantum!
Screenshots
Verdict
The clearest difference is in-app purchases: Main Street at none against quBit in 2D's 3. Main Street also leads on update cadence (every 2 days vs every 11 months). On price, ads, device support and iOS requirement 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. quBit in 2D sells 3 one-off in-app purchases. Main Street asks for nothing beyond the download.
Main Street ships an update every 2 days, quBit in 2D every 11 months. Both last shipped on October 27, 2026.
| Parameter | Main Street | quBit in 2D |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days — better | Every 11 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 19 MB | 0 MB |
| Age rating | 17+ | 4+ |
| Developer | Joe Blough | Sungjun Kim |
In-app purchases
Main Street
No in-app purchases
quBit in 2D
- coffee$0.99
- latte$4.99
- whopper set$9.99
Questions
Is Main Street free?
Is quBit in 2D free?
Do Main Street or quBit in 2D have ads?
Which is updated more often, Main Street or quBit in 2D?
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