Comparison

iSolveModel vs Mandarin Pronunciation

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

Head to head
About

iSolveModel

This app offers a powerful linear programming solver for iOS devices, utilizing the simplex algorithm and an integrated MIP solver for integer variables. It's designed for students and professionals in operations research and related fields, allowing easy model creation and sharing.

Highlights
  • Linear programming solver
  • Simplex algorithm
  • Integrated MIP solver
  • Sensitivity analysis
  • iTunes File Sharing
  • Email model/solution transfer
  • Text-based model documents
Features
Read full description

Looking for a mathematical model solver running on your iPad/iPhone/iPod Touch? This is iSolveModel, an easy-to-use linear programming optimizer running on iPad as well as on iPhone and using the simplex algorithm method with pivot as the main solver engine as well as an integrated MIP solver for 0-1 variables and integer numbers. The purpose of this application is to provide a linear programming solver for the iPad/iPhone/iPod Touch community as well as for students and teachers, particularly for those in Operations Research / Operations Management / Industrial Engineering or related courses (college/undergraduate students). Features: - Number of decision variables and constraints only limited by the available memory of the device - Sensitivity analysis reports on variable coefficients and right-hand side when solving pure linear models - Documents can be transferred via iTunes File Sharing - Mathematical models and solutions can be sent by email - Model documents are text files, no proprietary format - Solution documents as HTML - Supports all device orientations Benefits: - Affordable - Easy-to-use modeling, models are like the ones in textbooks - Fast learning curve

About

Mandarin Pronunciation

Features
Read full description

Chu Dictionary + - Mandarin pronunciation of Chinese Characters Chu Dictionary + - Mandarin pronunciation of Chinese Characters (The Mandarin Chinese Pinyin Table (汉语拼音表) )provides the complete list of all Pinyin syllables used in standard Mandarin. There are total 416 syllable and 1324 Pinyin in Chinese language if 4 tones are considered. An "0" cell on the app (Total mount: 45) indicates that this syllable is pronounced softly. Xinhua Dictionary (《新华字典》), Xiandai Hanyu Guifan Cidian (《现代汉语规范词典》) and Modern Chinese Dictionary (《现代汉语词典》) were referenced for The Chu Dictionary +- Mandarin pronunciation of Chinese Characters. Chu Dictionary + - Pinyin of Chinese Characters (The Mandarin Chinese Pinyin Table (汉语拼音表) ) is highly recommended by educators, students, parents and other Mandarin beginners. Chu Dictionary + is named by the surname of Dr. John Chu, which is the writer of this dictionary. The Chu Dictionary + - Pinyin of Chinese Characters offers you: If you are an ABC learner, you can recognize all the pronunciations of Chinese Character in several days. If you are exercising mandarin pronunciation, this app is the best coach for you. Chu Dictionary + offers worldwide Chinese learners a tool to learn Chinese characters, including Chinese Character strokes, Chinese Character configuration, Chinese Character component and so on. Chu Dictionary + is designed for all levels’ learner. Chu Dictionary + is named by the surname of Dr. John Chu, which is the creator of this dictionary. Explanation of light tone, for example: 1) Auxiliary words: “的de”, “地de”, “得de”, “着zhe”, “了le”, “过guo”, “吧ba”, “嘛ma”, “呢ne”, “啊a”,”呐na”、”啦la”、”么me”、”哇wa”, such as: 吃的chīde、 轻轻地qīng qing d的、干得好gàn de hǎo、说着shuō zhe、困了kùnle、想过xiǎng guo、好吧hǎo ba、去嘛qù ma、干啥呢gàn shá ne、是啊shì a、咋办呐zǎ bàn na、走啦zǒu la、怎么zěn me、好哇hǎo wa 2) The suffixes “儿er”、“子zi”、“头tou” 和 “们men” are read softly. Such as: 一会儿yī huì er、杯子bēi zi、包子bāo zi、鸽子gē zi、辫子biàn zi、石头shí tou 、馒头mán tou 、我们wǒ men 、他们tā men 、一会儿yī huì er 3) Words or morphemes indicating orientation should be read softly. For example: 路上 lù shang、脸上liǎn shang、底下 dǐ xia、村子里cūn zi li、箱子里xiāng zi li 、前边qián bian、左边zuǒ bian、外面wài mian 4) Verbs and adjectives that express tendencies, such as “come, go, get up, go down”, etc., should be read softly. For example: 送来sòng lai、进来 jìn lai、起来qǐ lai、过去 guò qu 、出去chū qu、上去shàng qu、热起来rè qi lai、说出来 shuō chu lai 5) The last syllable of some overlapping words is read softly, such as: 猩猩xīng xing 、饽饽bō bo 、妈妈mā ma 、弟弟dì di 、姑姑gū gu 、坐坐zuò zuo 、催催cuī cui 6) The second and fourth syllables of the double-syllable verb ABAB are read softly. Such as: 商量商量shāng liang shāng liang 、考虑考虑kǎo lü kǎo lü 、打扫打扫dǎ sao dǎ sao 、研究研究yán jiu yán jiu 7) Two-syllable words are commonly used, and the following syllables are customarily read softly. Such as: 伙计huǒ ji、喷嚏pēn ti、蚂蚱mà zha 、咳嗽ké sou、云彩yún cai、蘑菇mó gu、护士hù shi、脑袋nǎo dai"

Screenshots

iSolveModel4 screens
Mandarin Pronunciation3 screens

Verdict

The call

The clearest difference is price: Mandarin Pronunciation at Free against iSolveModel's $9.99. Mandarin Pronunciation also leads on iOS requirement (11.0 vs 17.1). iSolveModel's advantage is in-app purchases (none vs 1) and update cadence (every 4 months vs every 9 months). On ads 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

Mandarin Pronunciation is free to download; iSolveModel costs $9.99 up front. Mandarin Pronunciation sells 1 one-off in-app purchase. iSolveModel asks for nothing beyond the download.

UpkeepUpdate frequency

iSolveModel ships an update every 4 months, Mandarin Pronunciation every 9 months. The most recent releases landed on October 16, 2026 and October 4, 2026 respectively.

Scorecard4 real differences · 6 level
iSolveModel versus Mandarin Pronunciation: the parameters behind the verdict, then further details
ParameteriSolveModelMandarin Pronunciation
Price$9.99Free — better
Rating5.0 (2 ratings) — better—
Positive reviews71.4% of reviews—
Number of ratings2 — better—
Update frequencyEvery 4 months — betterEvery 9 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.111.0 — better
Further details — not scored
Size5 MB109 MB
Age rating4+4+
DeveloperMINDTechClavis Sinica Limited

In-app purchases

None

iSolveModel

No in-app purchases

1 purchases

Mandarin Pronunciation

One-time1
  • Lifetime membership$14.99

Questions

Is iSolveModel free?
iSolveModel costs $9.99, with no in-app purchases.
Is Mandarin Pronunciation free?
Mandarin Pronunciation is free to download, with in-app purchases available.
Do iSolveModel or Mandarin Pronunciation have ads?
Neither iSolveModel nor Mandarin Pronunciation shows ads.
Which is updated more often, iSolveModel or Mandarin Pronunciation?
iSolveModel ships an update every 4 months, and Mandarin Pronunciation every 9 months. Most recently, iSolveModel was updated on October 16, 2026 and Mandarin Pronunciation on October 4, 2026.

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