Comparison

Thiên Cơ vs Savi

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

★ 3.02 ratingsView app →

About

Thiên Cơ

Features

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Thiên Cơ được hiểu là Huyền Cơ của Tạo Hóa, là bí mật bao trùm Vũ Trụ mà bấy lâu con người từ bao thời đại hằng mơ ước khám phá. App Thiên Cơ này cung cấp cho các Nhà Dịch Học cơ sở dữ liệu căn bản và chuẩn xác nhất, là Quẻ Dịch, để từ đó có thể suy ra nhịp sống động của Tạo Hóa đang diễn tiến theo chiều hướng nào, mức độ nông sâu đến đâu.

About

Savi

Read books and news on your ebook devices. Access a variety of content directly on your preferred e-reader.

Highlights

Read books
Read news
Supports ebook devices
Access diverse content

Features

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Đọc sách, tin tức trên các thiết bị ebook của bạn

Screenshots

Thiên Cơ4 screens

Savi4 screens

Verdict

The call

The clearest difference is update cadence: Savi at every 3 weeks against Thiên Cơ's every 2 months. Thiên Cơ's advantage is iOS requirement (11.0 vs 13.4). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Thiên Cơ ships an update every 2 months, Savi every 3 weeks. The most recent releases landed on September 27, 2026 and October 9, 2026 respectively.

Scorecard2 real differences · 8 level

Thiên Cơ versus Savi: the parameters behind the verdict, then further details
Parameter	Thiên Cơ	Savi
Price	Free	Free
Rating	—	3.0 (2 ratings) — better
Positive reviews	—	0.0% of reviews
Number of ratings	—	2 — better
Update frequency	Every 2 months	Every 3 weeks — better
Ads	No	No
In-app purchases	No	No
Monetization	—	Free
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	11.0 — better	13.4
Further details — not scored
Size	38 MB	40 MB
Age rating	12+	4+
Developer	Vo Trong Nghia	Akibook

In-app purchases

None

Thiên Cơ

No in-app purchases

None

Savi

No in-app purchases

Questions

Is Thiên Cơ free?

Thiên Cơ is free to download, with no in-app purchases.

Is Savi free?

Savi is free to download, with no in-app purchases.

Do Thiên Cơ or Savi have ads?

Neither Thiên Cơ nor Savi shows ads.

Which is updated more often, Thiên Cơ or Savi?

Thiên Cơ ships an update every 2 months, and Savi every 3 weeks. Most recently, Thiên Cơ was updated on September 27, 2026 and Savi on October 9, 2026.