Parallel Text vs WidgetCal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Parallel Text
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Translates language to the sidebar. Your language learning co-pilot
WidgetCal
Perform calculations directly from your home screen with advanced functions. Customize your experience with multiple themes. Unlock premium features through a subscription.
- Home screen widget calculator
- Trigonometric and calculus functions
- Over 10 beautiful themes
- No ads
- Monthly/annual subscription for Pro features
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WidgetCal - Widget calculator allows you to calculate on your home screen - Supports trigonometric functions, logarithms, square root, square, reciprocal, π, and calculus tools for derivative at x and definite integral over [a, b] - Home Screen Widget Calculator (iOS 17 Interactive Widgets) - Over 10+ beautiful themes - No Ads ----- WidgetCal Pro is available with a monthly or annual subscription. You can subscribe and pay through your Apple account. Your subscription will automatically renew unless canceled at least 24 hours before the end of the current period. Auto-renew may be turned off after purchase. Terms of Use: https://www.zhihuke.com/widgetcal/terms.html Privacy Policy: https://www.zhihuke.com/widgetcal/privacy.html
Screenshots
Verdict
The clearest difference is price: WidgetCal at Free against Parallel Text's $1.99. Parallel Text's advantage is in-app purchases (none vs 2) and update cadence (every 2 months vs every 32 months). On ads 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
WidgetCal is free to download; Parallel Text costs $1.99 up front. WidgetCal sells 2 in-app purchases, starting at $0.99 per month. Parallel Text asks for nothing beyond the download.
Parallel Text ships an update every 2 months, WidgetCal every 32 months. The most recent releases landed on September 9, 2026 and August 27, 2026 respectively.
| Parameter | Parallel Text | WidgetCal |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months — better | Every 32 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 1 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Michael Buen | 杏娣 吴 |
In-app purchases
Parallel Text
No in-app purchases
WidgetCal
- WidgetCal Pro$0.991 Month
- WidgetCal Pro7 Days trial$3.991 Year
Questions
Is Parallel Text free?
Is WidgetCal free?
Do Parallel Text or WidgetCal have ads?
Which is updated more often, Parallel Text or WidgetCal?
Other comparisons
