Comparison

最美证件照 vs ODE Solver +

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

Head to head

证件照快速制作&智能切换背景&一键美颜

ordinary differential equation

Free

🔧 Utilities

★ 3.73 ratingsView app →

About

最美证件照

Features

Read full description

证件照制作，多种尺寸挑选，背景随心切换，还有一键美颜，给自己一个美好印象【应用特色】 · 一键生成最美证件照。 · 多种标准背景切换。 · 各种尺寸应有尽有。订阅信息 1.订阅选项 1.1 订阅:18元/每周 1.2 订阅:298元/每年 2.付款:通过用户的iTunes账户扣款,用户确认购买后即付款. 3.续订:苹果iTunes账户会在到期前24小时内扣费,扣费成功后订阅周期顺延1个订阅周期. 4.取消续订:如需取消续订,打开苹果手机"设置"-->进入"iTunes Store与App Store"-->点击"App ID",选择"查看Apple ID",进入"账户设置"页面,点击"订阅",选择取消订阅即可.如未在订阅期结束的至少24小时以前取消订阅,次订阅将会自动续订. 5.隐私协议:https://shimo.im/docs/9T6wweRaTUEeLgUw/ 6.服务条款:https://shimo.im/docs/0PLD88NxZL0ZHptT/

About

ODE Solver +

This utility app calculates ordinary differential equations using the Runge-Kutta method. It offers a step width of 0.01 for its calculations.

Highlights

Ordinary differential equation calculation
Runge-Kutta method
Step width 0.01

Read full description

It is calculated using Runge-Kutta method (step width 0.01).

Screenshots

最美证件照3 screens

ODE Solver +3 screens

Verdict

The call

The clearest difference is in-app purchases: ODE Solver + at none against 最美证件照's 2. ODE Solver + also leads on update cadence (weekly vs every 14 months). 最美证件照's advantage is ads (none vs shown) and iOS requirement (10.0 vs 14.0). On price 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. 最美证件照 sells 2 in-app purchases, starting at $2.49 per 7 days. ODE Solver + asks for nothing beyond the download.

UpkeepUpdate frequency

最美证件照 ships an update every 14 months, ODE Solver + weekly. The most recent releases landed on September 19, 2026 and September 25, 2026 respectively.

Scorecard4 real differences · 5 level

最美证件照 versus ODE Solver +: the parameters behind the verdict, then further details
Parameter	最美证件照	ODE Solver +
Price	Free	Free
Rating	—	3.7 (3 ratings) — better
Number of ratings	—	3 — better
Update frequency	Every 14 months	Weekly — better
Ads	No — better	Yes
In-app purchases	Yes	No — better
Monetization	—	Ad-supported
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	10.0 — better	14.0
Further details — not scored
Size	22 MB	11 MB
Age rating	4+	4+
Developer	乐赞操	Takahiko Nakade

In-app purchases

2 purchases

最美证件照

Subscriptions2

每周高级功能$2.497 Days
每年高级功能$40.991 Year

None

ODE Solver +

No in-app purchases

Questions

Is 最美证件照 free?

最美证件照 is free to download, with in-app purchases available.

Is ODE Solver + free?

ODE Solver + is free to download, with no in-app purchases.

Do 最美证件照 or ODE Solver + have ads?

ODE Solver + shows ads; 最美证件照 does not.

Which is updated more often, 最美证件照 or ODE Solver +?

最美证件照 ships an update every 14 months, and ODE Solver + weekly. Most recently, 最美证件照 was updated on September 19, 2026 and ODE Solver + on September 25, 2026.