We monitor 175 App Store storefronts to answer one question —

Is 知外PRO-出国知识深度百科专业版 censored by Apple?

Gone.

知外PRO-出国知识深度百科专业版 is gone from every App Store storefront we test. It was last seen available on Jul 5, 2020.

1,093 tests on record·last checked 12 days ago

Why it is unavailable

Five things can put an app out of one App Store. Each is weighed below against what can be seen from outside — open a card for the reasoning.

  • A government or a court demanded itLikely

    and Apple complied. Apple publishes a count of these per country each year and never says which apps they were. Apple's 2025 App Store Transparency Report

  • A local rule about paying for itLikely

    gambling licences, financial rules, tax — the kind of law that governs a transaction. Apple can obey every one of them by refusing the payment, which is why this is the only restriction we would accept and the only one that cannot touch a free app.

  • Apple applied a rule, unaskedLikely

    either its own review guidelines, or its own reading of a local law, with nobody having demanded anything. This is the largest category in Apple's own removal figures by a wide margin, and it covers distribution permits as well as content — Apple kept a free Bible app out of mainland China in 2021 for want of one. Apple's 2025 App Store Transparency Report

  • The developer withheld itUnlikely

    freely, or under legal advice of their own, or because Apple's guidelines require that kind of app to be limited to certain countries. Switching a country off is easy for a developer to do in Apple's own tools: it needs no new version of the app, and it leaves no public trace other than the app being unavailable.

  • Something brokeUnlikely

    a rejected update, a lapsed certificate, a payment or licensing problem, a mistake nobody has got round to noticing.

How this is weighed, and what it cannot tell you

Weighed from the evidence under each card, not from a model. There is no published figure for how Apple's removals divide up, so these are ordered words rather than percentages. For scale on the same-day counts: across the whole record an app leaves a storefront with fewer than two others, so a dozen at once is not a dozen coincidences.

None of this is certain, and a citation does not make it so: Apple naming a Chinese agency tells you what Apple said, not everything that happened. What can be said is that the readings alone cannot separate these five — a developer switching off a country and a government ordering it removed arrive at Apple's catalogue looking identical — and that nobody has ever measured how they divide across the App Store. The one careful study of the question was done on Google's store, using an error message Apple does not emit.

Apple publishes no record of which apps are unavailable in which of its App Stores. For the removals it makes on a government's demand it publishes the agency and the law behind every one — 2,045 of the 166,899 apps it removed during 2025 — and never which app. Where a reason reaches the public at all, it is usually because a developer chose to say so. Apple's App Store Transparency Report

Know of a statement, notice or order we have missed? Tell us →

知外PRO-出国知识深度百科专业版

Developer: Shenzhen Dreamy Life Technology Co., Ltd. · Category: Reference · Paid app · Released: Jul 14, 2017 ·

View in App Store ↗
0stores where available
138stores where blocked
6.28Bpeople behind the block
138of 175 stores tested
1,093tests on record

Other Reference apps missing from mainland China

Everything missing from mainland China →

Life of this app

  1. Jul 14, 2017Released on the App Store
  2. Sep 25, 2019First tested by AppleCensorship
  3. Jul 5, 2020Last seen available anywhere
  4. Jun 18, 2022Gone from 138 storefronts
  5. Sep 7, 2026Most recent test

Testing history

One column per month, every month from the first reading to the last. Height follows how many readings we took that month; red is the share of them that found the app unavailable. An empty month is one nobody tested.

2019-092026-09

Found availableFound unavailable

Availability by storefront

Every storefront we test, current status first. Data is a measurement, not a promise: each row carries its own date.

Test now
AlbaniaALUnavailableOct 15, 20213 years ago
AlgeriaDZUnavailableNov 10, 20213 years ago
AngolaAOUnavailableSep 6, 20223 years ago
AnguillaAIUnavailableJul 6, 20233 years ago
Antigua & BarbudaAGUnavailableAug 11, 20242 years ago
ArgentinaARUnavailableJan 4, 20252 years ago
AustraliaAUUnavailableAug 11, 202513 months ago
AustriaATUnavailableAug 7, 20212 years ago
BahamasBSUnavailableApr 13, 20233 years ago
BahrainBHUnavailableApr 27, 20242 years ago
BarbadosBBUnavailableOct 1, 20213 years ago
BelgiumBEUnavailableMay 11, 202516 months ago
BeninBJUnavailableJan 21, 20222 years ago
BermudaBMUnavailableJun 30, 20224 years ago
BhutanBTUnavailableNov 2, 20242 years ago
BotswanaBWUnavailableSep 24, 20213 years ago
BrazilBRUnavailableSep 21, 20224 years ago
BruneiBNUnavailableOct 15, 20213 years ago
BulgariaBGUnavailableJul 8, 20213 months ago
Burkina FasoBFUnavailableAug 2, 20214 years ago
CameroonCMUnavailableMar 22, 20233 years ago
Cape VerdeCVUnavailableOct 1, 20213 years ago
Cayman IslandsKYUnavailableMar 2, 202211 months ago
ChileCLUnavailableMar 29, 20232 years ago
China (Mainland)CNUnavailableJul 8, 202111 months ago
Costa RicaCRUnavailableSep 21, 20223 years ago
Côte d’IvoireCIUnavailableOct 29, 20224 years ago
CroatiaHRUnavailableApr 8, 20222 years ago
CyprusCYUnavailableMay 9, 20242 years ago
DenmarkDKUnavailableJan 22, 20223 years ago
Dominican RepublicDOUnavailableMay 12, 202516 months ago
DR CongoCDUnavailableJun 30, 20222 years ago
EcuadorECUnavailableJul 8, 20214 years ago
EgyptEGUnavailableMar 7, 20252 years ago
El SalvadorSVUnavailableSep 2, 20212 years ago
EstoniaEEUnavailableJul 8, 20213 years ago
FranceFRUnavailableJul 8, 20214 years ago
GabonGAUnavailableAug 31, 20224 years ago
GambiaGMUnavailableSep 6, 202512 months ago
GermanyDEUnavailableJan 2, 20243 years ago
GhanaGHUnavailableDec 25, 20213 years ago
GrenadaGDUnavailableDec 1, 20213 years ago
GuatemalaGTUnavailableOct 5, 20217 months ago
Guinea-BissauGWUnavailableDec 2, 20213 years ago
GuyanaGYUnavailableNov 23, 20213 years ago
HondurasHNUnavailableMay 7, 20242 years ago
Hong KongHKUnavailableJan 2, 20223 years ago
HungaryHUUnavailableJan 9, 20234 years ago
IcelandISUnavailableJul 8, 20218 months ago
IndiaINUnavailableDec 4, 20233 years ago
IndonesiaIDUnavailableSep 29, 202116 months ago
IraqIQUnavailableJan 31, 20268 months ago
IrelandIEUnavailableAug 16, 20222 years ago
IsraelILUnavailableJul 2, 20242 years ago
ItalyITUnavailableAug 24, 20213 years ago
JamaicaJMUnavailableJun 5, 20222 years ago
JapanJPUnavailableDec 28, 20213 years ago
JordanJOUnavailableAug 2, 20213 years ago
KazakhstanKZUnavailableJun 18, 20224 years ago
KenyaKEUnavailableMar 12, 20222 years ago
KosovoXKUnavailableFeb 25, 20234 years ago
KuwaitKWUnavailableDec 6, 20213 years ago
LaosLAUnavailableJul 30, 20262 months ago
LatviaLVUnavailableApr 8, 20223 years ago
LebanonLBUnavailableMar 17, 20243 years ago
LiberiaLRUnavailableDec 23, 20213 years ago
LithuaniaLTUnavailableApr 10, 20232 years ago
MacaoMOUnavailableJul 8, 20212 months ago
MalawiMWUnavailableOct 29, 20224 years ago
MalaysiaMYUnavailableApr 27, 20222 years ago
MaliMLUnavailableAug 2, 20214 months ago
MaltaMTUnavailableAug 2, 202113 months ago
MauritaniaMRUnavailableJul 8, 20214 months ago
MauritiusMUUnavailableOct 14, 20213 years ago
MexicoMXUnavailableJul 8, 202112 days ago
MicronesiaFMUnavailableJul 8, 20214 months ago
MoldovaMDUnavailableSep 19, 20213 years ago
MongoliaMNUnavailableSep 19, 20214 years ago
MontenegroMEUnavailableJun 4, 20233 years ago
MontserratMSUnavailableAug 2, 20216 months ago
MoroccoMAUnavailableAug 16, 20223 years ago
MozambiqueMZUnavailableAug 2, 20214 years ago
Myanmar (Burma)MMUnavailableJan 10, 20233 years ago
NauruNRUnavailableJul 2, 202412 days ago
NepalNPUnavailableDec 7, 20222 years ago
NetherlandsNLUnavailableAug 31, 20224 years ago
New ZealandNZUnavailableFeb 6, 20232 months ago
NicaraguaNIUnavailableFeb 9, 20223 years ago
NigerNEUnavailableDec 10, 20212 years ago
NigeriaNGUnavailableApr 27, 20223 years ago
North MacedoniaMKUnavailableFeb 7, 20222 years ago
NorwayNOUnavailableJul 12, 202514 months ago
OmanOMUnavailableFeb 13, 20234 years ago
PalauPWUnavailableMar 26, 202310 months ago
PanamaPAUnavailableAug 7, 20212 years ago
Papua New GuineaPGUnavailableAug 24, 20212 years ago
ParaguayPYUnavailableSep 11, 20214 years ago
PhilippinesPHUnavailableFeb 11, 202514 months ago
PolandPLUnavailableJun 4, 202515 months ago
PortugalPTUnavailableDec 31, 20224 years ago
QatarQAUnavailableOct 23, 202511 months ago
Republic of the CongoCGUnavailableJul 2, 20242 years ago
RussiaRUUnavailableMar 2, 20222 years ago
RwandaRWUnavailableAug 20, 20222 months ago
São Tomé & PríncipeSTUnavailableJul 8, 20217 months ago
SenegalSNUnavailableAug 1, 20213 years ago
SerbiaRSUnavailableNov 15, 20224 years ago
SeychellesSCUnavailableMay 14, 20233 years ago
Sierra LeoneSLUnavailableMay 20, 20233 years ago
SingaporeSGUnavailableOct 1, 20233 years ago
SlovakiaSKUnavailableApr 29, 20242 years ago
Solomon IslandsSBUnavailableNov 4, 20239 months ago
South AfricaZAUnavailableJun 5, 20222 years ago
Sri LankaLKUnavailableSep 8, 20222 months ago
St. Kitts & NevisKNUnavailableSep 2, 20213 years ago
St. LuciaLCUnavailableJan 22, 20223 years ago
St. Vincent & GrenadinesVCUnavailableOct 14, 20212 years ago
SurinameSRUnavailableAug 1, 20212 years ago
SwedenSEUnavailableNov 9, 20233 years ago
TaiwanTWUnavailableJul 31, 202512 days ago
TajikistanTJUnavailableNov 11, 20214 years ago
TanzaniaTZUnavailableJan 19, 20252 years ago
ThailandTHUnavailableJun 4, 20229 months ago
TongaTOUnavailableSep 6, 20224 years ago
Trinidad & TobagoTTUnavailableFeb 7, 20222 years ago
TunisiaTNUnavailableDec 31, 20224 years ago
TürkiyeTRUnavailableFeb 27, 20232 years ago
TurkmenistanTMUnavailableJun 1, 202516 months ago
Turks & Caicos IslandsTCUnavailableFeb 23, 20234 years ago
UgandaUGUnavailableJul 3, 20224 years ago
UkraineUAUnavailableMar 2, 20222 years ago
United Arab EmiratesAEUnavailableJan 20, 202212 days ago
United StatesUSUnavailableJul 8, 202112 days ago
UruguayUYUnavailableDec 23, 20214 years ago
UzbekistanUZUnavailableMar 14, 20222 years ago
VanuatuVUUnavailableFeb 9, 20267 months ago
YemenYEUnavailableDec 5, 20232 years ago
ZambiaZMUnavailableSep 21, 202512 months ago
AfghanistanAFNot tested0
ArmeniaAMNot tested0
AzerbaijanAZNot tested0
BelarusBYNot tested0
BelizeBZNot tested0
BoliviaBONot tested0
Bosnia & HerzegovinaBANot tested0
British Virgin IslandsVGNot tested0
CambodiaKHNot tested0
CanadaCANot tested0
ChadTDNot tested0
ColombiaCONot tested0
CzechiaCZNot tested0
DominicaDMNot tested0
EswatiniSZNot tested0
FijiFJNot tested0
FinlandFINot tested0
GeorgiaGENot tested0
GreeceGRNot tested0
KyrgyzstanKGNot tested0
LibyaLYNot tested0
LuxembourgLUNot tested0
MadagascarMGNot tested0
MaldivesMVNot tested0
NamibiaNANot tested0
PakistanPKNot tested0
PeruPENot tested0
RomaniaRONot tested0
Saudi ArabiaSANot tested0
SloveniaSINot tested0
South KoreaKRNot tested0
SpainESNot tested0
SwitzerlandCHNot tested0
United KingdomGBNot tested0
VenezuelaVENot tested0
VietnamVNNot tested0
ZimbabweZWNot tested0

Testing asks Apple whether it will sell this app in that storefront, right now, by the same method the crawler has used since 2019. Your browser asks Apple directly, so the answer describes what Apple serves your connection — and if your browser cannot reach Apple at all, we ask on your behalf and say so. The result is a link: open it to see Apple's own answer and check ours. Readings are added to the record above; roughly a quarter of the readings taken each day come from people testing.

How we test

Availability is checked against Apple's own catalog servers for every storefront, the same way the App Store app asks. "Unavailable" means Apple's servers say the app cannot be offered in that country — it does not say who asked for the removal. Removals initiated by the developer and removals demanded by governments look the same from outside; the history and context on this page are how we tell them apart.