EclipseTimesCalc vs Changes
Price, ratings, monetisation and update history for both apps, side by side â with what reviewers say about each.
EclipseTimesCalc
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This uses the algorithms developed over the past 150 years along with the best information available about the locations of sun, moon, and earth to predict when an eclipse will occur at a particular location on the earth. In addition the prediction parameters are updated for the latest predictions by IERS. This is useful to find where to go, where to look, and how the moon will move across the sun. It also provides the sunrise/set times for the location
Changes
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Changes - I Ching Journal is a free I Ching reader and private journal. All content and features are included, with no in-app purchases or subscriptions. It is built around three actions: ask, read, and record. You can cast with the traditional coin method, read the primary and relating hexagrams, explore judgments and line texts, and keep your question, mood, notes, follow-up reflections, and revisit reminders in one private space. This is not a fortune-scoring app and it does not decide good or bad luck for you. It is closer to a portable classical reader and a private journal: a way to slow down a question, read the text carefully, and keep a record you can return to later. Features: - Coin casting and Dayan probability mode - Read all 64 hexagrams, judgments, line texts, Tuan, Xiang, and Wenyan for Qian and Kun - Explore primary, relating, nuclear, opposite, and inverse hexagrams - Journal entries, mood notes, follow-up reflections, revisit reminders, and an 8x8 hexagram map - Simplified Chinese, Traditional Chinese, and English interface - Original text, bilingual comparison, and translation reading modes - Face ID / device passcode privacy lock - Widgets, Live Activities, Shortcuts, and local notifications - Markdown / PDF export Journal entries are stored on device by default. If iCloud is enabled, sync uses the user's private CloudKit container.
Screenshots
Verdict
The clearest difference is update cadence: Changes at fortnightly against EclipseTimesCalc's every 4 months. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
EclipseTimesCalc ships an update every 4 months, Changes fortnightly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | EclipseTimesCalc | Changes |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Fortnightly â better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad â better | iPhone |
| Requires iOS | 26.0 | 26.0 |
| Further details â not scored | ||
| Size | 5 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | robert hawley | Apeonwheels Inc. |
In-app purchases
EclipseTimesCalc
No in-app purchases
Changes
No in-app purchases







